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World Wide Web Consortium (W3C) : international community that develops guidelines to ensure the long-term growth and accessibility of the World Wide Web
https://openstax.org/books/introduction-computer-science/pages/2-key-terms
Complex problems are situations that are difficult because they involve many different parts or factors.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Computational thinking means breaking these problems into smaller parts, understanding how these parts relate to each other, and then coming up with effective strategies or steps to solve each part.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Computational thinking is a set of tools or strategies for solving (and learning how to solve) complex problems that relate to mathematical thinking in its use of abstraction, decomposition, measurement, and modeling.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Characterization of computational thinking is the three As: abstraction, automation, and analysis.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Decomposition is a fundamental concept in computational thinking, representing the process of systematically breaking down a complex problem or system into smaller, more manageable parts or subproblems.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Logical thinking and pattern recognition are computational thinking techniques that involve the process of identifying similarities among and within problems.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Abstraction is a computational thinking technique that centers on focusing on important information while ignoring irrelevant details.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Algorithms are detailed sets of instructions to solve a problem step-by-step.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Testing and debugging is about finding and fixing mistakes in the step-by-step instructions or algorithms used to solve a problem.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Computational thinking commonly employs a bottom-up strategy for crafting well-structured components.
https://openstax.org/books/introduction-computer-science/pages/2-summary
A business solution architecture is a structural design that is meant to address the needs of prospective solution users.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Business solutions are strategies/systems created to solve specific challenges in a business. Designing business solutions can be described as a complex systemic process that requires expertise in various spheres of technology as well as the concerned business. A blueprint is a detailed plan or design that outlines the...
https://openstax.org/books/introduction-computer-science/pages/2-summary
Two heuristics are inherent to the design of business solutions and the creation of business solution architectures. Layering in business solution architecture involves creating distinct layers that abstract specific aspects of the overall architecture. The layering approach relies on the principle of separation of con...
https://openstax.org/books/introduction-computer-science/pages/2-summary
User experience (UX) refers to the overall experience that a person has when interacting with a product, service, or system.
https://openstax.org/books/introduction-computer-science/pages/2-summary
A monolithic structure is a system or application architecture where all the components are tightly integrated into a single unit.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Enterprise-level architecture encompasses various domains that define the structure, components, and operations of an entire organization. Enterprise architecture (EA) views the enterprise as a system or a system of systems.
https://openstax.org/books/introduction-computer-science/pages/2-summary
The enterprise business architecture (EBA) is a comprehensive framework that defines the structure and operation of an entire organization. A business model is a framework that outlines how a business creates, delivers, and captures value. The organizational model is the structure and design of an organization, outlini...
https://openstax.org/books/introduction-computer-science/pages/2-summary
The business process is a series of interrelated tasks, activities, or steps performed in a coordinated manner within an organization to achieve a specific business goal.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Location model refers to a set of rules used to analyze and make decisions related to the positioning of entities, activities, or resources.
https://openstax.org/books/introduction-computer-science/pages/2-summary
The enterprise technology architecture (ETA) is a comprehensive framework that defines the structure, components, and interrelationships of an organization’s technology systems to support its business processes and objectives.
https://openstax.org/books/introduction-computer-science/pages/2-summary
The application architecture is a subset of the enterprise solution architecture.
https://openstax.org/books/introduction-computer-science/pages/2-summary
A data architecture model is a conceptual framework that outlines how an organization structures, organizes, and manages its data assets.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Data modeling is the collaborative process wherein IT and business stakeholders establish a shared understanding of essential business terms, known as entities.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Architecture views are representations of the overall system design that matter to different stakeholders.
https://openstax.org/books/introduction-computer-science/pages/2-summary
The combination of top-down, adaptive design reuse and bottom-up, computational thinking optimizes modern software development.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Model-View-Controller (MVC) is a software architectural pattern commonly used in the design of interactive applications, providing a systematic way to organize and structure code.
https://openstax.org/books/introduction-computer-science/pages/2-summary
The adaptive design reuse approach is a strategy in software development that emphasizes the efficient reuse of existing design solutions to create new systems or applications.
https://openstax.org/books/introduction-computer-science/pages/2-summary
World Wide Web Consortium (W3C) is an international community that develops guidelines to ensure the long-term growth and accessibility of the World Wide Web.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Web 2.0 is the second generation of the World Wide Web when we shift from static web pages to dynamic content.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Web 3.0 is the third generation of the World Wide Web and represents a vision for the future of the Internet characterized by advanced technologies.
https://openstax.org/books/introduction-computer-science/pages/2-summary
A web application (web app) refers to a software application that is accessed and interacted through a web browser over the Internet.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Blockchain is a secure and transparent way of recording transactions. It uses a chain of blocks, each storing a list of transactions.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Microservices is a way of building software by breaking it into small, independent pieces. Each piece, or service, does a specific job and works on its own.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Migrating legacy business solutions means upgrading or replacing old systems with newer, more efficient ones.
https://openstax.org/books/introduction-computer-science/pages/2-summary
Innovative cloud mashups refer to creative combinations of different innovative business solutions that leverage disruptive technologies.
https://openstax.org/books/introduction-computer-science/pages/2-summary
abstract data type (ADT) : consists of all data structures that share common functionality
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
abstraction : process of simplifying a concept in order to represent it in a computer
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
adjacent : in a graph abstract data type, the relationship between two vertices connected by an edge
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
algorithm analysis : study of the results produced by the outputs as well as how the algorithm produces those outputs
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
algorithm design pattern : solution to well-known computing problems
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
algorithmic paradigm : common concept and ideas behind algorithm design patterns
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
algorithmic problem solving : refers to a particular set of approaches and methods for designing algorithms that draws on computing’s historical connections to the study of mathematical problem solving
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
array list : data structure that stores elements next to each other in memory
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
asymptotic analysis : evaluates the time that an algorithm takes to produce a result as the size of the input increases
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
asymptotic notation : mathematical notation that formally defines the order of growth
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
AVL tree : balanced binary search tree data structure often used to implement sets or maps that organizes elements according to the AVL tree property
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
AVL tree property : requires the left and right subtrees to be balanced at every node in the tree
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
balanced binary search tree : introduces additional properties that ensure that the tree will never enter a worst-case situation by reorganizing elements to maintain balance
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
Big O notation : most common type of asymptotic notation in computer science used to measure worst case complexity
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
binary heap : binary tree data structure used to implement priority queues that organizes elements according to the heap property
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
binary logarithm : tells how many times a large number needs to be divided by 2 until it reaches 1
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
binary search algorithm : recursively narrows down the possible locations for the target in the sorted list
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
binary search tree : tree data structure often used to implement sets and maps that organizes elements according to the binary tree property and the search tree property
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
binary tree property : requires that each node can have either zero, one, or two children
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
breadth-first search : iteratively explores each neighbor, expanding the search level-by-level breadth-first
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
brute-force algorithm : solves combinatorial problems by systematically enumerating all potential solutions in order to identify the best candidate solution
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
canonical algorithm : well-known algorithm
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
case analysis : way to account for variation in runtime based on factors other than the size of the problem
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
child node : descendant of another node
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
collision : situation where multiple objects hash to the same integer index value
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
combinatorial explosion : exponential number of solutions to a combinatorial problem that makes brute-force algorithms unusable in practice
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
combinatorial problem : involves identifying the best candidate solution out of a space of many potential solutions
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
comparison sorting : sorting of a list of elements where elements are not assigned numeric values but rather defined in relation to other elements
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
complexity : condition based on the degree of computational resources that an algorithm consumes during its execution in relation to the size of the input
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
compression : problem of representing information using less data storage
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
constant : type of order of growth that does not take more resources as the size of the problem increases
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
correctness : whether the outputs produced by an algorithm match the expected or desired results across the range of possible inputs
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
cost model : characterization of runtime in terms of more abstract operations such as the number of repetitions
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
count sorting : sorting a list of elements by organizing elements into categories and rearranging the categories into a logical order
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
cryptography : problem of masking or obfuscating text to make it unintelligible
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
data structure : complex data type with specific representation and specific functionality
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
data structure problem : computational problem involving the storage and retrieval of elements for implementing abstract data types such as lists, sets, maps, and priority queues
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
data type : determines how computers process data by defining the possible values for data and the possible functionality or operations on that data
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
depth-first search : graph traversal algorithm that recursively explores each neighbor, continuing as far possible along each subproblem depth-first
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
Dijkstra’s algorithm : maintains a priority queue of vertices in the graph ordered by distance from the start and repeatedly selects the next shortest path to an unconnected part of the graph
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
divide and conquer algorithm : algorithmic paradigm that breaks down a problem into smaller subproblems (divide), recursively solves each subproblem (conquer), and then combines the result of each subproblem in order to inform the overall solution
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
edge : relationship between vertices or nodes
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
element : individual data point
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
experimental analysis : evaluates an algorithm’s runtime by recording how long it takes to run a program implementation of it
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
functionality : operations such as adding, retrieving, and removing elements
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
graph : represents binary relations among collection of entities, specifically vertices and edges
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
graph problem : computational problem involving graphs that represent relationships between data
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
greedy algorithm : solves combinatorial problems by repeatedly applying a simple rule to select the next element to include in the solution
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
hash table : implements sets and maps by applying the concept of hashing
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
hashing : problem of assigning a meaningful integer index for each object
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
heap property : requires that the priority value of each node in the heap is greater than or equal to the priority values of its children
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
heapsort algorithm : adds all elements to a binary heap priority queue data structure using the comparison operation to determine priority value and returns the sorted list by repeatedly removing from the priority queue element-by-element
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
index : position or address for an element in a list
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
interval scheduling problem : combinatorial problem involving a list of scheduled tasks with the goal of finding the largest non-overlapping set of tasks that can be completed
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
intractable : problems that do not have efficient, polynomial-time algorithms
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
Kruskal’s algorithm : greedy algorithm that sorts the list of edges in the graph by weight
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
leaf node : node at the bottom of a tree that has no children
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
linear : type of order of growth where the resources required to run the algorithm increases at about the same rate as the size of the problem increases
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
linear data structure : category of data structures where elements are ordered in a line
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
linked list : data structure that does not necessarily store elements next to each other and instead works by maintaining, for each element, a link to the next element in the list
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
list : ordered sequence of elements and allows adding, retrieving, and removing elements from any position in the list
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
logarithm : tells how many times a large number needs to be divided by a small number until it reaches 1
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
longest path : problem of finding the highest-cost way to get from one vertex to another without repeating vertices
https://openstax.org/books/introduction-computer-science/pages/3-key-terms
map : represents unordered associations between key-value pairs of elements, where each key can only appear once in the map
https://openstax.org/books/introduction-computer-science/pages/3-key-terms