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Security alarm	microwave detectors device emits microwaves transmitter detects reflected microwaves reduction beam intensity using receiver.transmitter receiver usually combined inside single housing monostatic indoor applications separate housings bistatic outdoor applications.reduce false alarms type detector usually combined passive infrared detector dual tec brand similar alarm.microwave detectors respond doppler shift frequency reflected energy phase shift sudden reduction level received energy.effects may indicate motion intruder.advantages low cost easy install invisible perimeter barrier.affected fog rain snow sand storms wind.disadvantages may affected presence water dripping ground.
Security alarm	typically need sterile clearance area prevent partial blocking detection field.compact surveillance radar compact surveillance radar emits microwaves transmitter detects reflected microwaves.similar microwave detectors detect precise location intruders areas extending hundreds acres.capability measuring range angle velocity direction size target csr pinpoint precise gps coordinate intruder.target information typically displayed map user interface situational awareness software defines geographical alert zones geofences different types actions initiated depending time day factors.
Security alarm	csr commonly used protect outside fence line critical facilities electrical substations power plants dams bridges.photoelectric beams photoelectric beam systems detect presence intruder transmitting invisible infrared light beams across area beams may obstructed.improve detection surface area beams often employed stacks two more.however intruder aware technologys presence avoided.technology effective longrange detection system installed stacks three transmitters receivers staggered create fencelike barrier.
Security alarm	systems available internal external applications.prevent clandestine attack using secondary light source used hold detector sealed condition whilst intruder passes systems use detect modulated light source.advantages low cost easy install.require little sterile clearance area operate disadvantages affected fog high luminosity.position transmitter located cameras.
Security alarm	glassbreak detection glassbreak detector may used internal perimeter building protection.glassbreak acoustic detectors mounted close proximity glass panes listen sound frequencies associated glass breaking.seismic glassbreak detectors generally referred shock sensors different installed glass pane.glass breaks produces specific shock frequencies travel glass often window frame surrounding walls ceiling.typically intense frequencies generated khz depending type glass presence plastic interlayer.seismic glassbreak detectors feel shock frequencies turn generate alarm condition.window foil less sophisticated mostly outdated detection method involves gluing thin strip conducting foil inside glass putting lowpower electric current it.
Security alarm	breaking glass intents purposes ensured tear foil break circuit.smoke heat carbon monoxide detectors systems also equipped smoke heat andor carbon monoxide detectors.also known hour zones times.smoke heat detectors protect risk fire using different detection methods.carbon monoxide detectors help protect risk carbon monoxide poisoning.
Security alarm	although intruder alarm panel may also detectors connected may meet local fire code requirements fire alarm system.traditional smoke detectors technically ionization smoke detectors create electric current two metal plates sound alarm disrupted smoke entering chamber.ionization smoke alarms quickly detect small amounts smoke produced fastflaming fires cooking fires fueled paper flammable liquids.newer perhaps safer type photoelectric smoke detector.contains light source lightsensitive electric sensor positioned degree angle sensor.normally light light source shoots straight across misses sensor.
Security alarm	smoke enters chamber scatters light hits sensor triggers alarm.photoelectric smoke detectors typically respond faster fire early smoldering stage – source fire bursts flames.motion sensors motion sensors devices use various forms technology detect movement.technology typically found motion sensors trigger alarm includes infrared ultrasonic vibration contact.dual technology sensors combine two forms detection order reduce false alarms method advantages disadvantages.
Security alarm	traditionally motion sensors integral part home security system.devices typically installed cover large area commonly cover ft. ° field vision.driveway alarms driveway alarm systems combined security automation systems.designed alert residents unexpected visitors intruders deliveries arriving property.come magnetic infrared motion sensing options.
Security alarm	driveway alarms also purchased hardwired wireless systems.common rural security systems well commercial applications.electromechanical shaker sensors electromechanical devices mounted barriers used primarily detect attack structure itself.technology relies unstable mechanical configuration forms part electrical circuit.movement vibration occurs unstable portion circuit moves breaks current flow produces alarm.
Security alarm	medium transmitting vibration must correctly selected specific sensor best suited different types structures configurations.technology gradually replaced intelligent digital accelerometerbased systems.advantages lowcost easily installed existing fences.disadvantages must fencemounted.mechanical nature system unable analyze differences pattern vibrations example difference gusts wind person climbing fence.ferrous metal detectors change local magnetic field due presence ferrous metals induces current buried sensors buried cables discrete sensors analyzed system.change exceeds predetermined threshold alarm generated.
Security alarm	type sensor used detect intruders carrying substantial amounts metal firearm making ideally suited antipoaching applications.electrostatic field sometimes referred efield volumetric sensor uses electric field proximity sensing installed buildings perimeters fences walls.also ability installed freestanding dedicated poles.system uses electromagnetic field generator powering one wire another sensing wire running parallel it.sensing wire connected signal processor analysesamplitude change mass intruderrate change movement intruderpreset disturbance time time intruder pattern.these items define characteristics intruder three detected simultaneously alarm signal generated.the barrier provide vertical protection ground height mounting posts typically – meters height depending number sensor wires installed.
Security alarm	usually configured zones metre lengths.advantage highsecurity difficult defeat high vertical detection field.disadvantages expensive short zones mean electronics thus higher cost.microphonic systems microphonic systems vary design example timedomain reflectrometer piezoelectric generally based detection intruder attempting cut climb fence.usually microphonic detection systems installed sensor cables attached rigid chainwire fences however specialized versions systems also installed buried systems underground.depending version selected sensitive different frequencies levels noise vibration.system based coaxial electromagnetic sensor cable controller ability differentiate signals cable chainwire cut intruder climbing fence bad weather conditions.the systems designed detect analyze incoming electronic signals received sensor cable generate alarms signals exceed preset conditions.
Security alarm	systems adjustable electronics permit installers change sensitivity alarm detectors suit specific environmental conditions.tuning system usually accomplished commissioning detection devices.advantages relatively inexpensive compared systems easy install.disadvantage older systems may high rate false alarms caused wind distances although newer systems use dsp digital signal processing process signal greatly reduce false alarms cases.taut wire fence systems taut wire perimeter security system basically independent screen tensioned tripwires usually mounted fence wall.alternatively screen made thick need supporting chainwire fence.
Security alarm	systems designed detect physical attempt penetrate barrier.taut wire systems operate variety switches detectors sense movement end tense wires.switches detectors simple mechanical contact static force transducer electronic strain gauge.unwanted alarms caused birds animals avoided adjusting sensors ignore objects exert small amounts pressure wires.type system vulnerable intruders digging fence.
Security alarm	concrete footing directly fence installed prevent type attack.advantages low rate false alarms reliable sensors high rate detection.disadvantages expensive complicated install.fiber optic cable fiberoptic cable used detect intruders measuring difference amount light sent fiber core.variety fiber optic sensing technologies may used including rayleigh scattering interferometry cable disturbed light changed intrusion detected.cable attached directly chainwire fence bonded barbed steel tape used protect tops walls fences.type barbed tape provides good physical deterrent well giving immediate alarm tape cut severely distorted.advantages cablebased similar microphonic system easy install.
Security alarm	allow cover large perimeters tens km.disadvantage typically performs manner similar microphonicbased systems higher cost complexity due use fiberoptic technology.ported coaxial cable system employs electromagnetic field disturbance principle based two unshielded leaky coaxial cables buried approximately cm ft. deep ft. apart.transmitter emits continuous radio frequency rf energy along one cable energy received cable.change field strength weakens due presence object reaches preset lower threshold alarm condition generated.system covert installation.
Security alarm	care must taken ensure surrounding soil offers good drainage order avoid nuisance alarms.advantage concealed buried form.disadvantages affected rf noise difficult install.security electric fence security electric fences consist wires carry pulses electric current provide nonlethal shock deter potential intruders.tampering fence also results alarm logged security electric fence energiser also trigger siren strobe andor notifications control room directly owner via email phone.practical terms security electric fences type sensor array acts part physical barrier psychological deterrent potential intruders part security alarm system.advantages less expensive many methods less likely give false alarms many alternative perimeter security methods highest psychological deterrent methods.disadvantage potential unintended shock.wired wireless hybrid systems trigger signal every sensor transmitted one control units either wires wireless means radio line carrier infrared.
Security alarm	wired systems convenient sensors pirs smoke detectors etc.require external power operate correctly however may costly install.entrylevel wired systems utilize star network topology panel center logically devices home run line wires back panel.complex panels use bus network topology wire basically data loop around perimeter facility drops sensor devices must include unique device identifier integrated sensor device e.g.id.
Security alarm	biscuit.wired systems also advantage wired properly example dual loop tamperevident.wireless systems hand often use batterypowered transmitters easier install less expensive startup costs may fail batteries maintained.depending distance construction materials one wireless repeaters may required bring signal alarm panel reliably.wireless system moved new home easily advantage rent move frequently.important wireless connection security one control panel monitoring station.
Security alarm	wireless monitoring alarm system protects burglar cutting cable failures internet provider.full wireless setup commonly referred wireless.hybrid systems use wired wireless sensors achieve benefits both.transmitters also connected premises electrical circuits transmit coded signals control unit line carrier.control unit usually separate channel zone burglar fire sensors better systems separate zone every different sensor well internal trouble indicators mains power loss low battery broken wire etc.. alarm connection monitoring depending upon application alarm output may local remote combination.local alarms include monitoring though may include indoor andor outdoor sounders e.g.
Security alarm	motorized bell electronic siren lights e.g.strobe light may useful signaling evacuation notice people fire alarms one hopes scare amateur burglar quickly.however widespread use alarm systems especially cars false alarms frequent many urbanites tend ignore alarms rather investigating let alone contacting necessary authorities.short may response all.rural areas nobody may hear fire bell burglar siren lights sounds may make much difference nearest emergency responders may arrive late avoid losses.remote alarm systems used connect control unit predetermined monitor sort come many different configurations.
Security alarm	highend systems connect central station first responder e.g.policefiremedical via direct phone wire cellular network radio network i.e.gprsgsm ip path.case dual signaling system two options utilized simultaneously.alarm monitoring includes sensors also communication transmitter itself.
Security alarm	direct phone circuits still available areas phone companies high cost advent dual signaling comparatively lower cost becoming uncommon.direct connections usually seen federal state local government buildings school campus dedicated security police fire emergency medical department uk communication possible alarm receiving centre – communication directly emergency services permitted.more typical systems incorporate digital cellular communication unit contact central station location via public switched telephone network pstn raise alarm either synthesized voice increasingly via encoded message string central station decodes.may connect regular phone system system side demarcation point typically connect customer side ahead phones within monitored premises alarm system seize line cuttingoff active calls call monitoring company needed.dual signaling system would raise alarm wirelessly via radio path gprsgsm cellular path using phone line broadband line backup overcoming compromise phone line.encoders programmed indicate specific sensor triggered monitors show physical location zone sensor list even map protected premises make resulting response effective.
Security alarm	example heat sensor alarm coupled flame detector area reliable indication actual fire one sensor indication itself.many alarm panels equipped backup communication path use primary pstn circuit functioning.redundant dialer may connected second communication path specialized encoded cellular phone radio internet interface device bypass pstn entirely thwart intentional tampering phone lines.fact someone tampered line could trigger supervisory alarm via radio network giving early warning imminent problem e.g.arson.cases remote building may pstn phone service cost trenching running direct line may prohibitive.
Security alarm	possible use wireless cellular radio device primary communication method.in uk popular solution kind similar principle primary back paths reversed.utilizing radio path gprsgsm primary signaling path quicker pstn also allows huge cost savings unlimited amounts data sent extra expense.broadband alarm monitoring increasing deployment voice ip technology voip driving adoption broadband signaling alarm reporting.many sites requiring alarm installations longer conventional telephone lines pots alarm panels conventional telephone dialer capability work reliably types voip service.dialup analogue alarm panels systems serialparallel data ports may migrated broadband addition alarm server device converts telephone signaling signals data port traffic ip messages suitable broadband transmission.direct use voip pots port premises terminal transport analogue alarms without alarm server device problematic audio codecs used throughout entire network transmission path cannot guarantee suitable level reliability quality service acceptable application.in response changing public communications network new alarm systems often use broadband signaling method alarm transmission manufacturers including ip reporting capability directly alarm panel products.
Security alarm	internet used primary signaling method critical security life safety applications frequent supervision messages configured overcome concerns backup power network equipment signal delivery time.typical applications connectivity concerns controlled normal supervision messages sent daily weekly.various ip alarm transmission protocols exist use today proprietary.formats used conventional telephone reporting standardized published broadband signaling alarm reporting standardized today.us alarm manufacturers developed open standard called dc.standard accepted american national standard published ansisia dc.
Security alarm	ref ansisia dc without protocol provides encoding scheme transport mechanism carry data previously defined alarm protocols including latest contact id sia dc sia protocols.ref ansisia dc.several manufacturers panels receivers reported developing released support dc.radio alarm dual signaling dual signaling method alarm transmission uses mobile phone network telephone andor ip path transmit intruder fire personal attack signals high speed protected premises alarm receiving centre arc.commonly uses gprs gsm highspeed signaling technology used send receive ‘packets’ data telephone line addition.
Security alarm	option ip used frequently due issues installation configuration high level i.t expertise often required addition alarm installation knowledge.a dual signaling communication device attached control panel security installation component transmits alarm arc.number different ways via gprs radio path via gsm radio path via telephone lineor ip chosen.multiple signaling paths present live time backing minimize exposure property intruders.one fail always one form back depending manufacturer chosen three paths working simultaneously one time.prior availability dual signaling systems police keyholders often called premises alarm signal telephone path discover network fault genuine alarmdual paths allow distinction hardware failures genuine attack alarm.
Security alarm	helps eliminate false alarms unnecessary responses.dual signaling helped considerably restoration police response instance phone line cut dual signaling device continue send alarm calls via one alternative paths either confirming denying alarm initial path.in uk csl dualcom ltd pioneered dual signaling .company offered first credible alternative existing alarm signaling setting current standard professional dual path security monitoring.dual signaling firmly regarded standard format alarm signaling duly specified leading insurance companies.listenin alarm monitoring monitored alarms speaker phones allow central station speak homeowner intruder.
Security alarm	may beneficial owner medical emergencies.actual breakins speaker phones allow central station urge intruder cease desist response units dispatched.listenin alarm monitoring also known immediate audioresponse monitoring speaking alarm systems uk.alarm monitoring services list services monitored central station expanded past years include access control cctv monitoring alarm verification environmental monitoring intrusion alarm monitoring fire alarm sprinkler monitoring critical condition monitoring medical response monitoring elevator telephone monitoring holdup panic alarm monitoring duress monitoring auto dialer tests open close signal supervision reporting exception reports pin passcode management.increasingly central stations making information available directly end users via internet secure logon view create custom reports events themselves.
Security alarm	alarm response united states police respond least million alarm activations year estimated annual cost .billion.depending upon zone triggered number sequence zones time day factors alarm monitoring center may automatically initiate various actions.central station operators might instructed call emergency services immediately first call protected premises property manager try determine alarm genuine.operators could also start calling list phone numbers provided customer contact someone go check protected premises.zones may trigger call local heating oil company go check system call owner details room may getting flooded.
Security alarm	alarm systems tied video surveillance systems current video intrusion area instantly displayed remote monitor mention recorded.some alarm systems use realtime audio video monitoring technology verify legitimacy alarm.municipalities around united states type alarm verification allows property protecting placed verified response list allowing quicker safer police responses.the first video home security system patented december inventor marie brown.system used television surveillance.access control bypass codes useful intrusion alarm system deactivated reconfigured authorized personnel present.authorization may indicated number ways often keys codes used control panel remote panel near entry.
Security alarm	highsecurity alarms may require multiple codes fingerprint badge handgeometry retinal scan encryptedresponse generator means deemed sufficiently secure purpose.failed authorizations result alarm least timed lockout prevent experimenting possible codes.systems configured permit deactivation individual sensors groups.others also programmed bypass ignore individual sensors multiple times leave remainder system armed.feature useful permitting single door opened closed alarm armed permit person leave return.highend systems allow multiple access codes may even permit used particular days combination users codes i.e.
Security alarm	escorted.case remote monitoring center arrange oral code provided authorized person case false alarms monitoring center assured alarm response unnecessary.access codes also hierarchy oral codes say furnace repairperson enter kitchen basement sensor areas silver vault pantry.also systems permit duress code entered silence local alarm still trigger remote alarm summon police robbery.fire sensors isolated meaning triggered trigger main alarm network.important smoke heat intentionally produced.
Security alarm	owners buildings fined generating false alarms waste time emergency personnel.false absent alarms united states department justice estimates alarm calls law enforcement false alarms.system reliability user error cause false alarms sometimes called nuisance alarms.false alarms costly local governments local law enforcement security system users members local communities.department justice reported one year false alarms cost local municipalities constituents least .billion.in many municipalities across united states policies adopted fine home business owners multiple false alarm activations security system.
Security alarm	multiple false alarms property persist property could even added response list bars police dispatch property except event verified emergency.approximately police alarm calls actually involve crime.nuisance alarms occur unintended event evokes alarm status otherwise properly working alarm system.false alarm also occurs alarm system malfunction results alarm state.three circumstances source problem immediately found fixed responders lose confidence alarm reports.
Security alarm	easier know false alarms system designed react condition.failure alarms troublesome usually require periodic testing make sure sensors working correct signals getting monitor.systems designed detect problems internally low dead batteries loose connections phone circuit trouble etc.earlier nuisance alarms could set small disturbances like insects pets newer model alarms technology measure sizeweight object causing disturbance thus able decide serious threat especially useful burglar alarms.false alarm reduction many municipalities across united states require alarm verification police dispatched.
Security alarm	approach alarm monitoring companies must verify legitimacy alarms except holdup duress panic alarms calling police.verified response typically involves visual onscene verification breakin remote audio video verification.home business owners choose new type keypad control panel designed help reduce false alarms.based standard called cp developed american national standards institute security industry association new generation keypad control panels takes aim user error building extra precautions minimize unwarranted dispatch emergency responders.some features cp keypads include progress annunciation function emits different sound last seconds delay hastens exit premises.also exit time doubles user disables prewarning feature.other rules address failure exit premises results arming zones stay mode onetime automatic restart exit delay.however exit error immediate local alarm sound.audio video verification alarms utilize audio video combination audio video verification technology give security companies dispatchers police officers property managers reliable data assess threat level triggered alarm.audio video verification techniques use microphones cameras record audio frequencies video signals image snapshots.
Security alarm	source audio video streams sent communication link usually internet protocol ip network central station monitors retrieve images proprietary software.information relayed law enforcement recorded event file used plan strategical tactical approach property later prosecution evidence.an example system works passive infrared sensor triggered designated number video frames event sent central station.a second video solution incorporated standard panel sends central station alarm.signal received trained monitoring professional accesses onsite digital video recorder dvr ip link determine cause activation.type system camera input dvr reflects alarm panels zones partitioning allows personnel look alarm source multiple areas.the united states department justice states legislation requiring alarm companies verify legitimacy alarm contacting law enforcement commonly known verified response effective way reduce false burglar alarms.department justice considers audio video eyewitness account verification legitimacy burglar alarm.
Security alarm	crosszoning crosszoning strategy require new keypad.using multiple sensors monitor activity one area software analyses input sources.example motion detector trips one area signal recorded centralstation monitor notifies customer.second alarm signal—received adjacent zone within short time—is confirmation centralstation monitor needs request dispatch immediately.builds increased protection failsafe door blow open bird rattle exterior window.
Security alarm	enhanced call verification enhanced call verification ecv helps reduce false dispatches – still protecting citizens mandated several us jurisdictions although alarm industry successfully opposed others.ecv requires central station personnel attempt verify alarm activation making minimum two phone calls two different responsible party telephone numbers dispatching law enforcement scene.the first alarmverification call goes location alarm originated.contact person made second call placed different number.secondary number best practices dictate telephone answered even hours preferably cellular phone decision maker authorized request bypass emergency response.ecv cannot confirm actual intrusion event prompt priority law enforcement dispatch considered true alarm verification security industry.independent certification insurance companies local agencies require alarm systems installed code certified independent third party.
Security alarm	alarm system required maintenance check carried every – months uk audible intruder alarm systems require routine service visit every months monitored intruder alarm systems require check twice every month period ensure internal components sensors psus functioning correctly.past would require alarm service engineer attend site carry checks out.use internet radio path compatible ipradio transmitting device alarmed premises checks carried remotely central station.see also access controlalarm managementdoor securitydual loopemergency serviceenvironmental designfire alarmglassbreak detectorperimeter intrusion detection systemphysical securitysecurity lightingvandalresistant switchvoiceactivated radiodispatched alarm references sources chilo josé lindblad thomas .wireless data acquisition system using bluetooth technology infrasonic records.
Security alarm	computing.–.scid .lee seungmug wilson harry .spatial impact burglar alarms decline residential burglary.security journal.
Security alarm	–.doi.sj... issn .scid .chen pinwei young gregory december .ported coax intrusion detection sensor.ieee transactions antennas propagation.
Security alarm	–.bibcodeitap....c. doi.tap... issn .reading aii n. clifton.broadband csv xml alarm data standards auckland nz us patent nichani sanjay schatz david a. shillman robert joel video safety curtain published october assigned cognex corporation trimmer h.william .understanding servicing alarm systems rd ed.. boston butterworthheinemann.
Security alarm	isbn .registration requiredwalker philip .electronic security systems reducing false alarms.oxford newnes.isbn .
Windows Vista	registration requiredweber thad l. .alarm systems theft prevention nd ed.. boston butterworth.oclc .registration requiredwolf guard alarm system china cn external links burglar alarm worksdirect successor windows xp released five years prior time longest time span successive releases microsoft windows desktop operating systems.development completed november following three months released stages computer hardware software manufacturers business customers retail channels.january released internationally made available purchase download windows marketplace first release windows made available digital distribution platform.new features windows vista include updated graphical user interface visual style dubbed aero new search component called windows search redesigned networking audio print display subsystems new multimedia tools windows dvd maker.vista aimed increase level communication machines home network using peertopeer technology simplify sharing files media computers devices.windows vista included version .
Windows Vista	.net framework allowing software developers write applications without traditional windows apis.while new features security improvements garnered positive reviews vista also target much criticism negative press.criticism windows vista includes high system requirements restrictive licensing terms lack compatibility longer boot time excessive authorization prompts user account control.result issues windows vista saw initial adoption satisfaction rates lower windows xp.however vista usage surpassed microsofts prelaunch twoyearout expectations achieving million users estimated million internet users january .october microsoft ceased sales retail copies windows vista original equipment manufacturer sales vista ceased year later.official mainstream support vista ended april extended support ended april windows server mainstream support ended january extended support ended january .
Windows Vista	versions succeeded windows windows server r respectively.june vistas market share declined .windows total market share.server equivalent received security updates january unofficial methods apply updates retail windows vista.development microsoft began work windows vista known time codename longhorn may five months release windows xp.
Windows Vista	originally expected ship late minor step windows xp blackcomb planned companys next major operating system release.gradually longhorn assimilated many important new features technologies slated blackcomb resulting release date pushed back several times three years.builds longhorn license agreement said microsoft product codenamed whistler.many microsofts developers also retasked build updates windows xp windows server strengthen security.faced ongoing delays concerns feature creep microsoft announced august revised plans.
Windows Vista	reason longhorn reset start work componentizing windows server service pack codebase time reincorporating features would intended actual operating system release.however previously announced features winfs dropped postponed new software development methodology called security development lifecycle incorporated address concerns security windows codebase programmed c c assembly.longhorn became known vista .longhorn early development stages longhorn generally characterized incremental improvements updates windows xp.period microsoft fairly quiet worked marketing public relations efforts strongly focused windows xp windows server released april .
Windows Vista	occasional builds longhorn leaked onto popular file sharing networks irc bittorrent edonkey various newsgroups known builds first sanctioned development release longhorn may derived builds.after several months relatively little news activity microsoft longhorn microsoft released build made appearance internet around february .also privately handed select group software developers.evolutionary release build contained several small improvements including modified blue plex theme new simplified windows imagebased installer operates graphical mode outset completed install operating system approximately one third time windows xp hardware.optional new taskbar introduced thinner previous build displayed time differently.the notable visual functional difference however came windows explorer.incorporation plex theme made blue dominant color entire application.
Windows Vista	windows xpstyle task pane almost completely replaced large horizontal pane appeared toolbars.new search interface allowed filtering results searching windows help naturallanguage queries would used integrate winfs.animated search characters also removed.view modes also replaced single slider would resize icons realtime list thumbnail details mode depending slider was.file metadata also made visible easily editable active encouragement fill missing pieces information.
Windows Vista	also note conversion windows explorer .net application.most builds longhorn vista identified label always displayed bottomright corner desktop.typical build label would look like longhorn build .labn.. higher build numbers automatically mean latest features every development team microsoft included.typically team working certain feature subsystem would generate working builds developers would test code deemed stable changes would incorporated back main development tree once.microsoft several build labs exist compilation entirety windows performed team.name lab given build originated shown part build label date time build follow that.
Windows Vista	builds beta beta display build label version information dialog winver.icons used builds windows xp.at windows hardware engineering conference winhec may microsoft gave first public demonstrations new desktop window manager aero.demonstrations done revised build never released.several sessions developers hardware engineers conference focused new features well nextgeneration secure computing base previously known palladium time microsofts proposed solution creating secure computing environment whereby given component system could deemed trusted.also conference microsoft reiterated roadmap delivering longhorn pointing early release date.
Windows Vista	development reset become obvious windows team microsoft losing sight needed done complete next version windows ship customers.internally microsoft employees describing longhorn project another cairo cairo.net referring cairo development project company embarked first half never resulted shipping operating system though nearly technologies developed time end windows windows nt.microsoft shocked apples release mac os x tiger.offered limited subset features planned longhorn particular fast file searching integrated graphics sound processing appeared impressive reliability performance compared contemporary longhorn builds.longhorn builds major windows explorer system leaks prevented os performing well added confusion development teams later builds code developed failed reach stability.in september frontpage article wall street journal microsoft copresident jim allchin overall responsibility development delivery windows explained development longhorn crashing ground due large part haphazard methods features introduced integrated core operating system without clear focus endproduct.
Windows Vista	allchin went explain december enlisted help two senior executives brian valentine amitabh srivastava former experienced shipping software microsoft notably windows server latter spent career microsoft researching developing methods producing highquality testing systems.srivastava employed team core architects visually map entirety windows operating system proactively work towards development process would enforce high levels code quality reduce interdependencies components general make things worse vista.since microsoft decided longhorn needed componentized work started builds known omega builds would componentize existing windows server source code time add back functionality development progressed.future longhorn builds would start windows server service pack continue there.this change announced internally microsoft employees august began earnest september though would take several months new development process build methodology would used development teams.number complaints came individual developers bill gates new development process going prohibitively difficult work within.
Windows Vista	windows vista approximately november company considered several names final release ranging simple fanciful inventive.end microsoft chose windows vista confirmed july believing wonderful intersection product really windows stands resonates customers needs.group project manager greg sullivan told paul thurrott want pc adapt help cut clutter focus whats important you.thats windows vista bringing clarity world reference three marketing points vista—clear connected confident focus matters you.microsoft copresident jim allchin also loved name saying vista creates right imagery new product capabilities inspires imagination possibilities done windows—making peoples passions come alive.after longhorn named windows vista july unprecedented betatest program started involving hundreds thousands volunteers companies.
Windows Vista	september year microsoft started releasing regular community technology previews ctp beta testers july february .first distributed microsoft professional developers conference subsequently released beta testers microsoft developer network subscribers.builds followed incorporated planned features final product well number changes user interface based largely feedback beta testers.windows vista deemed featurecomplete release february ctp released february much remainder work build final release product focused stability performance application driver compatibility documentation.beta released late may first build made available general public microsofts customer preview program.
Windows Vista	downloaded million times.two release candidates followed september october made available large number users.at intel developer forum march microsoft announced change plans support efi windows vista.uefi .specification replaced efi .completed early time microsofts announcement firmware manufacturers completed production implementation could used testing.
Windows Vista	result decision made postpone introduction uefi support windows support uefi bit platforms postponed vista service pack windows server bit uefi would supported microsoft expect many systems built market quickly moving bit processors.while microsoft originally hoped consumer versions operating system available worldwide time holiday shopping season announced march release date would pushed back january order give company—and hardware software companies microsoft depends providing device drivers—additional time prepare.release manufacturing rtm build final version code shipped retailers distributors purpose prertm build eliminate last showstopper bugs may prevent code responsibly shipped customers well anything else consumers may find annoying.thus unlikely major new features would introduced instead work would focus vistas fit finish.days developers managed drop vistas bug count september time rc shipped early october.however still way go vista ready rtm.
Windows Vista	microsofts internal processes required vistas bug count drop fewer product could go escrow rtm.prertm builds bit editions released.on june windows developer philip su posted blog entry decried development process windows vista stating code way complicated pace coding tremendously slowed overbearing process.post also described windows vista approximately million lines code developers working product.demonstration speech recognition feature new windows vista microsofts financial analyst meeting july software recognized phrase dear mom dear aunt.several failed attempts correct error sentence eventually became dear aunt lets set double killer delete select all.
Windows Vista	developer vistas speech recognition team later explained bug build vista causing microphone gain level set high resulting audio received speech recognition software incredibly distorted.windows vista build october supposed rtm release bug destroyed system upgraded windows xp prevented damaging development lowering chance would hit january deadline.development windows vista came end microsoft announced finalized november concluded copresident windows development jim allchin.rtms build number also jumped reflect vistas internal version number nt .. jumping rtm build numbers common practice among consumeroriented windows versions like windows build windows se build windows build windows xp build compared businessoriented versions like windows build server build .november microsoft made final build available msdn technet plus subscribers.businessoriented enterprise edition made available volume license customers november .windows vista launched general customer availability january .
Windows Vista	two years release windows vista followed windows october .new changed features windows vista introduced several features functionality present predecessors.enduser windows aero new graphical user interface named windows aero jim allchin stated acronym authentic energetic reflective open.microsoft intended new interface cleaner aesthetically pleasing previous windows versions featuring new transparencies live thumbnails live icons animations thus providing new level eye candy.laptop users report however enabling aero shortens battery life reduces performance.windows shell new windows shell offers new range organization navigation search capabilities task panes windows explorer removed integrating relevant task options toolbar.
Windows Vista	favorite links pane added enabling oneclick access common directories.search box appears every explorer window.address bar replaced breadcrumb navigation bar.icons certain file types windows explorer live scaled size × pixels.preview pane allows users see thumbnails various files view contents documents.
Windows Vista	details pane shows information file size type allows viewing editing embedded tags supported file formats.start menu changed well incorporating instant search box programs list uses horizontal scroll bar instead cascading flyout menu seen windows xp.word start removed favor blue orb bears windows logo.windows search new search component windows vista features instant search also known search type provides instant search results thus finding files quickly search features found previous versions windows search contents recognized file types.users search certain metadata name extension size date attributes.windows sidebar transparent panel anchored right side screen wherein user place desktop gadgets small applets designed specialized purpose displaying weather sports scores.gadgets also placed desktop.windows internet explorer new user interface tabbed browsing rss search box improved printing page zoom quick tabs thumbnails open tabs antiphishing filter several new security protection features internationalized domain name support idn improved web standards support.
Windows Vista	ie windows vista runs isolation applications operating system protected mode exploits malicious software restricted writing location beyond temporary internet files without explicit user consent.windows media player major revamp microsofts program playing organizing music video.new features version include word wheeling incremental search search type new gui media library photo display organization ability share music libraries network windows vista machines xbox integration support media center extenders.windows defender antispyware program several realtime protection agents.includes software explorer feature provides access startup programs allows one view currently running software networkconnected applications winsock providers winsock lsps.backup restore center includes backup restore application gives users ability schedule periodic backups files computer well recovery previous backups.backups incremental storing changes made time minimizing disk usage.also features complete pc backup available ultimate business enterprise editions backs entire computer image onto hard disk dvd.
Windows Vista	complete pc backup automatically recreate machine setup onto new hardware hard disk case hardware failures.complete pc restore initiated within windows vista windows vista installation cd pc corrupt cannot start normally hard disk.windows mail replacement outlook express includes new mail store improves stability features integrated instant search.phishing filter like internet explorer junk mail filtering enhanced regular updates via windows update.windows calendar new calendar task application integrates windows contacts windows mail.compatible various calendar file types popular icalendar.windows photo gallery photo movie library management application.import digital cameras tag rate individual items adjust colors exposure create display slideshows pan fade effects directd burn slideshows dvd.windows dvd maker companion program windows movie maker provides ability create video dvds based users content.
Windows Vista	users design dvd title menus video soundtrack pan zoom motion effects pictures slides.windows media center previously exclusively bundled separate edition windows xp known windows xp media center edition incorporated home premium ultimate editions windows vista.games standard computer games included previous versions windows redesigned showcase vistas new graphical capabilities.new games available windows vista chess titans chess game mahjong titans mahjong game purble place small collection games oriented towards younger children including matching game cakecreator game dressup puzzle game.purble place one new games available windows vista home basic edition.inkball available home premium better users.games explorer new special folder called games exposes installed video games information them.metadata may updated internet.windows mobility center control panel centralizes relevant information related mobile computing brightness sound battery levelpower scheme selection wireless network screen orientation presentation settings etc..windows fax scan allows computers fax modems send receive fax documents well scan documents.
Windows Vista	available home editions windows vista available business enterprise ultimate editions.windows meeting space replaces netmeeting.users share applications entire desktop users local network internet using peertopeer technology higher editions starter home basic take advantage hosting capabilities starter home basic editions limited join mode onlywindows hotstart enables compatible computers start applications directly operating system startup resume press button—this enables microsoft described appliancelike availability allows computers function manner similar consumer electronics device dvd player feature also designed provide instanton feature availability traditionally associated mobile devices.microsoft emphasized multimedia scenarios windows hotstart user configure feature button launches preferred application.shadow copy automatically creates daily backup copies files folders.users also create shadow copies setting system protection point using system protection tab system control panel.user view multiple versions file throughout limited history allowed restore delete copy versions.
Windows Vista	feature available business enterprise ultimate editions windows vista inherited windows server .windows update software security updates simplified operating solely via control panel instead web application.windows mails spam filter windows defenders definitions updated automatically via windows update.users choose recommended setting automatic updates latest drivers installed available add new device.parental controls allows administrators monitor restrict user activity well control websites programs games standard user use install.feature included business enterprise editions vista.windows sideshow enables auxiliary displays newer laptops supported windows mobile devices.meant used display device gadgets computer off.speech recognition integrated vista.
Windows Vista	features redesigned user interface configurable commandandcontrol commands.unlike office version works office wordpad speech recognition windows vista works accessible application.addition currently supports several languages british american english spanish french german chinese traditional simplified japanese.new fonts including several designed screen reading improved chinese yahei jhenghei japanese meiryo korean mulgan fonts.cleartype also enhanced enabled default.improved audio controls allow systemwide volume volume individual audio devices even individual applications controlled separately.new audio functionalities room correction bass management speaker fill headphone virtualization also incorporated.problem reports solutions feature allows users check solutions problems view previously sent problems solutions additional information available.windows system assessment tool tool used benchmark system performance.
Windows Vista	software games retrieve rating modify behavior runtime improve performance.benchmark tests cpu ram graphics acceleration graphics memory hard disk space.windows ultimate extras ultimate edition windows vista provides via windows update access additional features.collection additional mui language packs texas hold em poker game microsoft tinker strategy game character robot bitlocker efs enhancements allow users back encryption key online digital locker windows dreamscene enables use videos mpeg wmv formats desktop background.april microsoft launched two ultimate extras three new windows sound schemes content pack dreamscene.various dreamscene content packs released since final version dreamscene released.reliability performance monitor includes various tools tuning monitoring system performance resources activities cpu disks network memory resources.
Windows Vista	shows operations files opened connections etc.disk management logical disk manager windows vista supports shrinking expanding volumes onthefly.windows anytime upgrade program allows user upgrade computer running vista higher edition.example computer running windows vista home basic upgraded home premium better.anytime upgrade permits users upgrade without programs data erased cheaper replacing existing installation windows.anytime upgrade longer available vista.digital locker assistant program facilitated access downloads purchases windows marketplace distribution platform.apps purchased windows marketplace managed microsoft account credentials used access users digital locker stores app associated information e.g.
Windows Vista	licenses offsite.core vista includes technologies readyboost readydrive employ fast flash memory located usb flash drives hybrid hard disk drives improve system performance caching commonly used programs data.manifests improved battery life notebook computers well since hybrid drive spun use.another new technology called superfetch utilizes machine learning techniques analyze usage patterns allow windows vista make intelligent decisions content present system memory given time.uses almost extra ram disk cache.
Windows Vista	conjunction superfetch automatic builtin windows disk defragmenter makes sure applications strategically positioned hard disk loaded memory quickly least physical movement hard disks readwrite heads.as part redesign networking architecture ipv fully incorporated operating system number performance improvements introduced tcp window scaling.earlier versions windows typically needed thirdparty wireless networking software work properly case vista includes comprehensive wireless networking support.for graphics vista introduces new windows display driver model major revision directd.new driver model facilitates new desktop window manager provides tearingfree desktop special effects cornerstones windows aero.directd developed conjunction major graphics card manufacturers new architecture advanced shader support allows graphics processing unit render complex scenes without assistance cpu.features improved load balancing cpu gpu also optimizes data transfer them.
Windows Vista	wddm also provides video content playback rivals typical consumer electronics devices.making easy connect external monitors providing protected hd video playback increasing overall video playback quality.first time windows graphics processing unit gpu multitasking possible enabling users run one gpuintensive application simultaneously.at core operating system many improvements made memory manager process scheduler io scheduler.heap manager implements additional features integrity checking order improve robustness defend buffer overflow security exploits although comes price breaking backward compatibility legacy applications.kernel transaction manager implemented enables applications work file system registry using atomic transaction operations.
Windows Vista	securityrelated improved security primary design goal vista.microsofts trustworthy computing initiative aims improve public trust products direct effect development.effort resulted number new security safety features evaluation assurance level rating .user account control uac perhaps significant visible changes.uac security technology makes possible users use computer fewer privileges default stop malware making unauthorized changes system.often difficult previous versions windows previous limited user accounts proved restrictive incompatible large proportion application software even prevented basic operations looking calendar notification tray.
Windows Vista	windows vista action performed requires administrative rights installinguninstalling software making systemwide configuration changes user first prompted administrator name password cases user already administrator user still prompted confirm pending privileged action.regular use computer running programs printing surfing internet trigger uac prompts.user account control asks credentials secure desktop mode entire screen dimmed authorization window active highlighted.intent stop malicious program misleading user interfering authorization window hint user importance prompt.testing symantec corporation proven effectiveness uac.symantec used active malware samples consisting backdoors keyloggers rootkits mass mailers trojan horses spyware adware various samples.
Windows Vista	executed default windows vista installation within standard user account.uac effectively blocked percent threat excluding rootkits.percent less malware evaded uac survived reboot.internet explorer new security safety features include phishing filter idn antispoofing capabilities integration systemwide parental controls.added security activex controls disabled default.also internet explorer operates protected mode operates lower permissions user runs isolation applications operating system preventing accessing modifying anything besides temporary internet files directory.
Windows Vista	microsofts antispyware product windows defender incorporated windows protecting malware threats.changes various system configuration settings new autostarting applications blocked unless user gives consent.whereas prior releases windows supported perfile encryption using encrypting file system enterprise ultimate editions vista include bitlocker drive encryption protect entire volumes notably operating system volume.however bitlocker requires approximately .gigabyte partition permanently encrypted contain system files windows boot.normal circumstances time partition accessed computer booting windows update changes files area legitimate reason access section drive.area potential security issue hexadecimal editor dskprobe.exe malicious software running administrator andor kernel level privileges would able write ghost partition allow piece malicious software compromise system disable encryption.
Windows Vista	bitlocker work conjunction trusted platform module tpm cryptoprocessor version .embedded computers motherboard usb key.however full disk encryption technologies bitlocker vulnerable cold boot attack especially tpm used key protector without boot pin required too.a variety privilegerestriction techniques also built vista.example concept integrity levels user processes whereby process lower integrity level cannot interact processes higher integrity level cannot perform dll–injection processes higher integrity level.security restrictions windows services finegrained services especially listening network cannot interact parts operating system need to.
Windows Vista	obfuscation techniques address space layout randomization used increase amount effort required malware successful infiltration system.code integrity verifies system binaries tampered malicious code.as part redesign network stack windows firewall upgraded new support filtering incoming outgoing traffic.advanced packet filter rules created grant deny communications specific services.the bit versions vista require device drivers digitally signed creator driver identified.system management much focus vistas new capabilities highlighted new user interface security technologies improvements core operating system microsoft also adding new deployment maintenance featuresthe windows imaging format wim provides cornerstone microsofts new deployment packaging system.wim files contain halindependent image windows vista maintained patched without rebuild new images.
Windows Vista	windows images delivered via systems management server business desktop deployment technologies.images customized configured applications deployed corporate client personal computers using little touch system administrator.imagex microsoft tool used create customize images.windows deployment services replaces remote installation services deploying vista prior versions windows.approximately new group policy settings added covering aspects new features operating system well significantly expanding configurability wireless networks removable storage devices user desktop experience.vista also introduced xmlbased format admx display registrybased policy settings making easier manage networks span geographic locations different languages.services unix renamed subsystem unixbased applications comes enterprise ultimate editions vista.network file system nfs client support also included.multilingual user interface–unlike previous versions windows required loading language packs provide locallanguage support windows vista ultimate enterprise editions support ability dynamically change languages based loggedon users preference.wireless projector support developer windows vista includes large number new application programming interfaces.
Windows Vista	chief among inclusion version ..net framework consists class library common language runtime.version .includes four new major componentswindows presentation foundation user interface subsystem framework based vector graphics makes use computer graphics hardware directd technologies.provides foundation building applications blending application ui documents media content.
Windows Vista	successor windows forms.windows communication foundation serviceoriented messaging subsystem enables applications systems interoperate locally remotely using web services.windows workflow foundation provides task automation integrated transactions using workflows.programming model engine tools building workflowenabled applications windows.windows cardspace component securely stores digital identities person provides unified interface choosing identity particular transaction logging website.these technologies also available windows xp windows server facilitate introduction usage developers endusers.there also significant new development apis core operating system notably completely redesigned audio networking print video interfaces major changes security infrastructure improvements deployment installation applications clickonce windows installer .new device driver development model windows driver foundation transactional ntfs mobile computing api advancements power management tablet pc ink support sideshow major updates complete replacements many core subsystems winlogon capi.there issues software developers using graphics apis vista.games programs built solely windows vistaexclusive version directx version cannot work prior versions windows directx available previous windows versions.also games require features ddex updated implementation directx windows vista also incompatible previous windows versions.
Windows Vista	according microsoft blog three choices opengl implementation vista.application use default implementation translates opengl calls directd api frozen opengl version .application use installable client driver icd comes two flavors legacy vistacompatible.legacy icd disables desktop window manager vistacompatible icd takes advantage new api fully compatible desktop window manager.least two primary vendors ati nvidia provided full vistacompatible icds.
Windows Vista	however hardware overlay supported considered obsolete feature vista.ati nvidia strongly recommend using compositing desktopframebuffer objects functionality.installation windows vista first microsoft operating systemto use dvdrom media installationthat installed partition formatted ntfs file systemthat provides support loading drivers scsi sata raid controllers source addition floppy disks prior installationthat installed booted systems gpt disks uefi firmware unification oem retail installation windows vista unifies previously separate oem retail distributions microsoft windows license edition purchased determines version windows vista eligible installation regardless originating source.oem retail versions windows windows vista maintained separately optical media—users manufacturersupplied disc could use retail license installation users retail disc could use oem license installation.removed features notable windows xp features components replaced removed windows vista including several shell windows explorer features multimedia features networking related functionality windows messenger ntbackup network windows messenger service hyperterminal msn explorer active desktop replacement netmeeting windows meeting space.
Windows Vista	windows vista also include windows xp luna visual theme classic color schemes part windows since windows .x era.hardware profiles startup feature also removed along support older motherboard technologies like eisa bus apm game port support though bit version game port support enabled applying older driver.ip firewire tcpip ieee removed well.ipxspx protocol also removed although enabled thirdparty plugin.support lifecycle support original release windows vista without service pack ended april .
Windows Vista	windows xp sp retired july service pack reached end support july three years general availability.support windows xp predecessor windows vista ended april years launch.mainstream support windows vista officially ended april .extended support phase would last next years april .microsoft longer offering nocharge incident support warranty claims design fixes operating system.pros users needed make specific fixes commercial windows code microsoft required extended hotfix agreement provided additional days april .as part extended support phase vista users still able get security updates could still pay support per incident perhour ways.
Windows Vista	microsoft also made windows vista product information available online knowledge base.april microsoft required windows vista users upgrade windows order continue receiving microsoft support.editions windows vista shipped six different editions.roughly divided two target markets consumer business editions varying cater specific submarkets.consumers three editions two available economically developed countries.
Windows Vista	windows vista starter edition aimed lowpowered computers availability emerging markets.windows vista home basic intended budget users.windows vista home premium covers majority consumer market contains applications creating using multimedia.home editions cannot join windows server domain.businesses three editions well.
Windows Vista	windows vista business specifically designed small mediumsized enterprises windows vista enterprise available customers participating microsofts software assurance program.windows vista ultimate contains complete featureset home business combination home premium enterprise editions well set windows ultimate extras aimed enthusiasts.all editions except windows vista starter support bit x bit x processor architectures.in european union home basic n business n variants also available.come without windows media player due eu sanctions brought microsoft violating antitrust laws.similar sanctions exist south korea.visual styles windows vista four distinct visual styles.windows aerovistas default visual style windows aero built desktop composition engine called desktop window manager.
Windows Vista	windows aero introduces support translucency effects glass window thumbnails taskbar window animations visual effects example windows flip intended mainstream highend video cards.enable features contents every open window stored video memory facilitate tearingfree movement windows.windows aero significantly higher hardware requirements predecessors systems running vista must video card drivers compatible windows display driver model wddm minimum graphics memory required mb depending resolution used.windows aero included starter home basic editions.variant windows aero dubbed windows vista standard lacking glass effects window animations advanced graphical effects included home basic.windows vista basicthis visual style employ desktop window manager feature transparency translucency window animation windows flip functions provided dwm.default visual style windows vista starter systems without wddmcompatible display drivers similar video card requirements windows xp.
Windows Vista	service pack machine failed windows genuine advantage validation would also default visual style.windows standardthe windows standard windows classic visual styles reprise user interface windows x windows microsofts windows server line operating systems.previous versions windows visual style supports custom color schemes collections color settings.windows vista includes four highcontrast color schemes default color schemes windows titled windows classic windows windows titled windows standard.hardware requirements computers capable running windows vista classified vista capable vista premium ready.vista capable equivalent pc capable running editions windows vista although special features highend graphics options may require additional advanced hardware.
Windows Vista	vista premium ready pc take advantage vistas highend features.windows vistas basic classic interfaces work virtually graphics hardware supports windows xp accordingly discussion around vistas graphics requirements centers windows aero interface.windows vista beta nvidia geforce series later ati radeon later intels gma later integrated graphics handful via chipsets graphics discrete chips supported.although originally supported geforce fx series dropped newer drivers nvidia.last driver nvidia support geforce fx series vista .. microsoft offered tool called windows vista upgrade advisor assist windows xp vista users determining versions windows machine capable running.required server connections utility longer available.
Windows Vista	although installation media included retail packages bit dvd customers needing cdrom customers wish bit install media acquire media windows vista alternate media program.ultimate edition includes bit bit media.digitally downloaded version ultimate includes one version either bit bit windows marketplace.physical memory limits maximum amount ram windows vista support varies depending edition processor architecture shown table.processor limits maximum number logical processors pc windows vista supports bit bit.the maximum number physical processors pc windows vista supports business enterprise ultimate starter home basic home premium.
Windows Vista	updates microsoft occasionally releases updates service packs windows operating systems fix bugs improve performance add new features.service pack windows vista service pack sp released february alongside windows server oem partners fivemonth beta test period.initial deployment service pack caused number machines continually reboot rendering machines unusable.temporarily caused microsoft suspend automatic deployment service pack problem resolved.synchronized release date two operating systems reflected merging workstation server kernels back single code base first time since windows .
Windows Vista	msdn subscribers able download sp february .sp became available current windows vista users windows update download center march .initially service pack supported five languages – english french spanish german japanese.support remaining languages released april .a white paper published microsoft august outlined scope intent service pack identifying three major areas improvement reliability performance administration experience support newer hardware standards.one area particular note performance.areas improvement include file copy operations hibernation logging domainjoined machines javascript parsing internet explorer network file share browsing windows explorer zip file handling windows disk defragmenter.

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