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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Splitting of the nucleus of a radioactive atom into two smaller nuclei yields what type of reaction, which releases a great deal of energy from a small amount of matter?
A. nuclear fusion
B. solar fission
C. nuclear fission
D. nucleation
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The group 18 gases that have 8 valence electrons are referred to as what type of gases?
A. noble
B. metal
C. important
D. novel
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are the two types of fermentation?
A. lactic acid and fermaldehyde
B. acetic and anhydrous
C. lactic acid and alcoholic
D. alcoholic and alchemical
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Like simple hormone pathways, hormone cascade pathways typically involve what kind of feedback?
A. positive
B. effective
C. negative
D. neutral
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is a substance that increases the hydrogen ion concentration of a solution?
A. sulfur
B. base
C. carbon
D. acid
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what produces coal?
A. mines
B. tar
C. energy
D. copper
E. cars
F. state
G. Oak
H. fire
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Green plants known as producers provide basic food supply for what besides themselves?
A. minerals
B. animals
C. water
D. air
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what's surface is unequally heated by the sun to cause global wind patterns?
A. energy
B. bamboo
C. Energy.
D. an object
E. alluvial
F. oceans
G. coral
H. planet
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{false} assertion. Assume that $C$ is a random permutation.
A. BestAdv$_n(C,C^\ast)=\frac{1}{2}Dec^n_{\left|\left|\left|\cdot\right|\right|\right|_a}(C)$
B. BestAdv$_n^{n.a.}(C,C^\ast)=\frac{1}{2}Dec^n_{\left|\left|\left|\cdot\right|\right|\right|_\infty}(C)$
C. $E(LP^{C}(a,b))\leq 1$
D. $Dec^n(C\circ C)\leq Dec^n(C)^2$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Phospholipids and some proteins move laterally within what?
A. liquids
B. nuclei
C. particles
D. membrane
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $f:\R^D
ightarrow\R$ be an $L$-hidden layer multi-layer perceptron (MLP) such that
\[
f(xv)=\sigma_{L+1}ig(\wv^ op\sigma_L(\Wm_L\sigma_{L-1}(\Wm_{L-1}\dots\sigma_1(\Wm_1xv)))ig),
\]
with $\wv\in\R^{M}$, $\Wm_1\in\R^{M imes D}$ and $\Wm_\ell\in\R^{M imes M}$ for $\ell=2,\dots, L$, and $\sigma_i$ for $i=1,\dots,L+1$ is an entry-wise activation function. For any MLP $f$ and a classification threshold $ au$ let $C_{f, au}$ be a binary classifier that outputs YES for a given input $xv$ if $f(xv) \leq au$ and NO otherwise. space{3mm}
Assume $\sigma_{L+1}$ is the element-wise extbf{sigmoid} function and $C_{f, rac{1}{2}}$ is able to obtain a high accuracy on a given binary classification task $T$. Let $g$ be the MLP obtained by multiplying the parameters extbf{in the last layer} of $f$, i.e. $\wv$, by 2. Moreover, let $h$ be the MLP obtained by replacing $\sigma_{L+1}$ with element-wise extbf{ReLU}. Finally, let $q$ be the MLP obtained by doing both of these actions. Which of the following is true?
ReLU(x) = max\{x, 0\} \
Sigmoid(x) = rac{1}{1 + e^{-x}}
A. $C_{g, rac{1}{2}}$ may have an accuracy significantly lower than $C_{f, rac{1}{2}}$ on $T$
B. $C_{h, 0}$ may have an accuracy significantly lower than $C_{f, rac{1}{2}}$ on $T$
C. $C_{q, 0}$ may have an accuracy significantly lower than $C_{f, rac{1}{2}}$ on $T$
D. $C_{g, rac{1}{2}}$, $C_{h, 0}$, and $C_{q, 0}$ have the same accuracy as $C_{f, rac{1}{2}}$ on $T$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What requires a source of electricity to produce light?
A. Broken light bulb.
B. The sun.
C. basic building blocks of life
D. an electron microscope
E. The source magazine.
F. algae and plants
G. the simplest of green plants
H. An emergency lighting source.
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In which stage does the chromatin condense into chromosomes?
A. Metaphase I
B. Telophase II
C. prophase ii
D. Anaphase I
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
After the blood in the pulmonary capillaries becomes saturated with oxygen, it leaves the lungs and travels where?
A. to the kidneys
B. to the heart
C. to the brain
D. to the lungs
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of eggs do fully terrestrial vertebrates carry?
A. epithelial
B. amniotic
C. amphibious
D. aqueous
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How many legs do most arthropods have?
A. legs
B. Many
C. 12
D. six
E. four
F. zero
G. eight
H. two
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A person's shadow is smallest at what time?
A. 4:00 pm
B. 8:00 am
C. 12:30 pm
D. 6:30 pm
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Some creatures may pretend to be other creatures in order to
A. have fun
B. confuse predators
C. entertain guests
D. dress up
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The Moore law
A. implies the key size is doubled every every 18 months to preserve confidentiality
B. says that CPU speed doubles every 18 months
C. has no relevance for cryptography since it only considers speed of computation
D. states that anything that can go wrong will
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Algae are much simpler than protozoa. they are aquatic and contain this?
A. chlorophyll
B. cloning factor
C. sporozoa
D. testes
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do human beings use to move around?
A. a hydraulic system
B. electromagnetic energy
C. basic building blocks of life
D. converting electricity to heat
E. Chemical energy
F. kinetic energy
G. transportation technology
H. Electrical energy
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What mammalian class has the greatest ability to learn?
A. humans
B. rats
C. reptiles
D. apes
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The needed number of DES operations to attack DES is about ...
A. $2^{54}.$
B. $2^{64}.$
C. $2^{128}.$
D. $2^{256}.$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The most basic division of land plants is between what type of plants?
A. perennial and annual
B. succulents and conifers
C. nonvascular and vascular
D. deciduous and evergreen
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In a Ranked Retrieval result, the result at position k is non-relevant and at k+1 is relevant. Which of the following is always true (P@k and R@k are the precision and recall of the result set consisting of the k top ranked documents)?
A. P@k-1 > P@k+1
B. P@k-1 = P@k+1
C. R@k-1 < R@k+1
D. R@k-1 = R@k+1
Answer: | C | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For a user that has not done any ratings, which method can make a prediction?
A. User-based collaborative RS
B. Item-based collaborative RS
C. Content-based RS
D. None of the above
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What phenomenon can cause a protein in an organism to be made incorrectly?
A. evolution
B. mutation
C. heredity
D. allele
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $X$ and $K$ be two independent random variables in a group $G$ with $n$ elements and where $K$ is uniformly distributed over $G$. Let $Y = X+K$. Then, for any $y\in G$, $\Pr[Y=y]=$\dots
A. $1/n$.
B. $\Pr[X=y]$.
C. $1/n^2$.
D. $1/(n-1)$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which stage of development is a period during which apoptosis is widespread and plays a crucial role?
A. puberty
B. embryonic
C. transgenic
D. infancy
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
As rabbits in a county die off, foxes will
A. live longer
B. boom in population
C. do the same
D. eat trees
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{false} assertion. A distinguisher can \ldots
A. \ldots be a first step towards key recovery in block ciphers.
B. \ldots be assumed deterministic when it is computationally unbounded.
C. \ldots factorize big numbers.
D. \ldots differentiate the encryption of two known plaintexts.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are objects that are launched into the air called?
A. stones
B. projectiles
C. booms
D. shoots
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what kind of beads are formed by their vapor condensing?
A. h2o
B. rain
C. tiny
D. H20
E. CO 2
F. blue
G. Aves
H. Dew
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following primitives \textit{cannot} be instantiated with a cryptographic hash function?
A. A pseudo-random number generator.
B. A commitment scheme.
C. A public key encryption scheme.
D. A key-derivation function.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
As I search among classifications, its groupings of materials, and properties, I may be looking for
A. hydrogen peroxide
B. aspirin
C. vitamins
D. petroleum jelly.
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In order to make a spiral notebook, it is imperative to use
A. rubber
B. plastic
C. trees
D. cows
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following is an element of $\mathbb{Z}_{60}^*$?
A. 49
B. 30
C. 26
D. 21
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
With proper nutrition, which activity would increase the body's strength?
A. breathing
B. weighted dips
C. sleeping
D. eating
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A light bulb will turn on when something generated from what flows to it?
A. energy
B. gas
C. sun
D. SO2
E. copper
F. Coal
G. matter
H. wind
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How do you remove bacteria from food?
A. drying
B. kill them
C. a cuticle
D. salting
E. cooking
F. amoebae
G. curing
H. boiling
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select the \textbf{most accurate} answer. For a hash function to be secure (\textbf{but still efficient}) against collision attacks in 2015, the output length should be\dots
A. around 80 bits.
B. around 160 bits.
C. around 512 bits.
D. around 1024 bits.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
During what type of reproduction do two haploid gametes join in the process of fertilization to produce a diploid zygote?
A. asexual reproduction
B. essential reproduction
C. internal reproduction
D. sexual reproduction
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A magnet would attract a
A. Wooden hairbrush
B. Oranges
C. Glassware
D. Zippers
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a regression task. You are using your favorite learning algorithm with parameters w and add a regularization term of the form $\frac{\lambda}{2}\|\mathbf{w}\|^{2}$. Which of the following statements are correct for a typical scenario?
A. The training error as a function of $\lambda \geq 0$ decreases.
B. The training error as a function of $\lambda \geq 0$ increases.
C. The test error as a function of $\lambda \geq 0$ increases.
D. The test error as a function of $\lambda \geq 0$ decreases.
E. The training error as a function of $\lambda \geq 0$ first decreases and then increases.
F. The test error as a function of $\lambda \geq 0$ first decreases and then increases.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the following sequence of random variables $S_1,\ldots,S_n,\ldots$ Assume that the limit $H^\star(\mathcal{S})=k$ exists and is finite. Suppose that there exists $\hat{n}>0$ such that for all $i\geq \hat{n}$ one has that the marginal distributions of $S_{i+1}$ and $S_i$ satisfy $p_{S_{i+1}}=p_{S_i}$. Denote with $\mathcal{Y}_{\hat{n}}$ the alphabet of the source $S_{\hat{n}}$. True or false: Can one use this information to infer that the following holds: $|\mathcal{Y}_{\hat{n}}| \geq 2^k $?
A. True
B. False
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where would a polar bear enjoy living
A. in a small cage
B. in a reef in the ocean
C. in a tropical environment
D. much closer to one of the earth's poles than to the equator
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In saltwater, a squid's method of locomotion results in water being
A. pushed in front of it
B. sung about by Jethro Tull
C. displaced in the Great Lakes
D. displaced directly behind it
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A sticky fluid made by insects from nector might kill a very young human because it
A. contains uranium
B. is genetically modified
C. contains bees
D. contains botulism
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which number is likely an inherited characteristic of a human?
A. 5 favorite shirts
B. 5'10
C. 10 dogs
D. 15 friends
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can cause harm to eyes?
A. Water
B. Alcohol
C. Eye drops
D. Saline
E. mildew
F. mold
G. coal
H. Acids
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Compounds containing an atom of what element, bonded in a hydrocarbon framework, are classified as amines?
A. hydrogen
B. oxygen
C. nitrogen
D. ammonia
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $\mathcal{C}$ be a binary $(5,2)$ linear code with generator matrix egin{equation*} G = egin{pmatrix} 1 &0 &1 &0 &1 \ 0 &1 &0 &1 &1 \end{pmatrix} \end{equation*} and consider a minimum-distance decoder obtained by choosing the coset leaders of the standard array of $\mathcal{C}$ so that the error probability is minimized under a binary symmetric channel with bit-flip probability $\epsilon < rac{1}{2}$. True or false: The word $00101$ is certainly not one of the coset leaders.
A. True
B. False
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the causative agent of sleeping sickness in humans?
A. trypanosoma brucei
B. escherichia coli
C. bacillus aerophilus
D. pseudomonas asplenii
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
You can scuff your socked feet on a shag carpet and shock a friend because of
A. electromagnetism
B. electric youth
C. bad breeding
D. gravity
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which two forces are likely the cause of canyons?
A. water plus fire
B. fire and brimstone
C. water plus gravity
D. H20 and lemmings
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can help an animal to grow and heal?
A. food
B. heat
C. bones
D. energy
E. cells
F. microbes
G. glycogen
H. proteins
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are the complexities for the single-target dictionary attacks, when there are $N$ keys?
A. Preprocessing: $N$, Memory: $N$, Time: 1
B. Preprocessing: $N$, Memory: $1$, Time: $N$
C. Preprocessing: $1$, Memory: $N$, Time: $N$
D. Preprocessing: $0$, Memory: $1$, Time: $\sqrt{N}$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
KEM/DEM refers to\dots
A. an encryption scheme.
B. a digital signature scheme.
C. a commitment scheme.
D. a hash function.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Suppose a file system used only for reading immutable files in random fashion. What is the best block allocation strategy?
A. Linked-list allocation
B. Continuous allocation
C. Index allocation with B-tree
D. Index allocation with Hash-table
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Electromagnetic waves are generally caused by magnetic fields doing what (or moving in what way)?
A. vibrating
B. revolving
C. rippling
D. folding
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
causing something to move can need what?
A. heat energy
B. a disc
C. a meal
D. energy
E. an engine
F. voltage
G. a stick
H. arteries
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Considering the transaction below, which one is WRONG?
|Transaction ID |Items Bought|
|--|--|
|1|Tea|
|2|Tea, Yoghurt|
|3|Tea, Yoghurt, Kebap|
|4 |Kebap |
|5|Tea, Kebap|
A. {Yoghurt} -> {Kebab} has 50% confidence
B. {Yoghurt, Kebap} has 20% support
C. {Tea} has the highest support
D. {Yoghurt} has the lowest support among all itemsets
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The different types of what systems work together to carry out all the life functions of the individual?
A. maturation systems
B. organ systems
C. heartbeat systems
D. digestive systems
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $X$ be a plaintext and $Y$ its ciphertext. Which statement is \textbf{not} equivalent to the others?
A. the encyption scheme provides perfect secrecy
B. only a quantum computer can retrieve $X$ given $Y$
C. $X$ and $Y$ are statistically independent random variables
D. the conditionnal entropy of $X$ given $Y$ is equal to the entropy of $X$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Near-earth asteroids cross paths with earth, meaning they could collide; what are the paths called?
A. curves
B. galaxies
C. trajectory
D. orbits
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A ship navigates with a magnetic compass because it is
A. unpredictable
B. waterproof
C. tradition
D. predictable
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Data being classified as unstructured or structured depends on the:
A. Degree of abstraction
B. Level of human involvement
C. Type of physical storage
D. Amount of data
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $p$ and $q$ be two prime numbers and $n=pq$. Let $K_p=(e,n)$ and $K_s=(d,n)$ be the RSA public and private keys respectively. Recall that the encryption of a message $m$ is $c=m^e \bmod{n}$ and the decryption is $m=c^d \bmod{n}$. Which assertion is \emph{always true}?
A. $ed=1 \pmod{n}$
B. $ed=1 \pmod{\varphi(n)}$
C. $e=d \pmod{n}$
D. $e=d \pmod{\varphi(n)}$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The limit to how much solute will dissolve in a given amount of solvent is called what?
A. solubility
B. strength
C. density
D. potency
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{true} assertion. A first preimage attack on a hash function H is \ldots
A. \ldots given $x$ find $y$ such that $H(x)=y$
B. \ldots given $x$ find $x'\neq x$ such that $H(x)=H(x')$
C. \ldots given $y$ find $x$ such that $H(x)=y$
D. \ldots find $x$ and $x'$ such that $x'\neq x$ and $H(x)=H(x')$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Muscles pull on bones in order to move them; which is an example of that?
A. shaking your head in frustration
B. rolling your eyes at someone
C. wiggling your tongue in your mouth
D. wrinkling your nose at a smell
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what can being exposed to wind cause?
A. a lot of human deaths
B. death and devastation
C. increase in carbon
D. forest is destroyed
E. a tree falling
F. disturbance of land surface
G. loss of sunlight
H. low tides
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What helps the cell continually renew itself?
A. centrosome
B. vacuole
C. lymphocytes
D. lysosomes
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a source $S$ with some distribution $P_S$ over the alphabet $\mathcal{A} = \{a, b, c, d, e, f\}$. Bob designs a uniquely decodable code $\Gamma$ over a code alphabet $\mathcal{D}$ of size $D$ with following codeword lengths. egin{center}egin{tabular}{ |c|c|c|c|c|c|c| } \hline& $a$ & $b$ & $c$ & $d$ & $e$ & $f$ \ \hline$|\Gamma(\cdot)|$ & 1 & 1 & 2 & 2 & 3 & 3 \ \hline\end{tabular}\end{center} Which of the following is true?
A. The average codeword length of the code is necessarily greater than or equal to $H_D(S)$.
B. $\Gamma$ can be a binary code, i.e., $D$ can be $2$.
C. There exists a distribution $P_S$ such that the average codeword length of $\Gamma(\cdot)$ is equal to $H_D(S)$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For an item that has not received any ratings, which method can make a prediction?
A. User-based collaborative RS
B. Item-based collaborative RS
C. Content-based RS
D. None of the above
Answer: | C | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of aspect can be made from the moving winds?
A. snow
B. wood
C. bananas
D. electricity
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of gas levels in the atmosphere are increasing?
A. hydrogen gas
B. greenhouse gas
C. carbonate gas
D. helium gas
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is used for used for seeing in the dark?
A. It gets more light
B. Magnifying glass
C. Heating a metal filament.
D. our nearest star
E. Eyeglasses
F. Electrical energy
G. Electric devices
H. Binoculars
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what uses lungs to breathe air?
A. insects
B. plants
C. humans
D. some mammals
E. oxygen
F. elephants
G. monotremes
H. Frogs
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In which organ of the body does gluconeogenesis primarily take place?
A. spleen
B. heart
C. liver
D. kidney
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When using the plain ElGamal cryptosystem over the group $\mathbb{Z}_p^*$ with a fixed $\ell$-bit prime $p$ and a fixed generator $g\in\mathbb{Z}_p^*$, the \textit{tightest} complexity of generating a new key-pair is\ldots
A. $\mathcal{O}(4{\ell})$.
B. $\mathcal{O}(\ell^3)$.
C. $\mathcal{O}(\ell^2)$.
D. $\mathcal{O}(\log{\ell}^4)$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
You are given two distributions over $\mathbb{R}$ : Uniform on the interval $[a, b]$ and Gaussian with mean $\mu$ and variance $\sigma^{2}$. Their respective probability density functions are $$ p_{\mathcal{U}}(y \mid a, b):=\left\{\begin{array}{ll} \frac{1}{b-a}, & \text { for } a \leq y \leq b, \\ 0 & \text { otherwise } \end{array} \quad p_{\mathcal{G}}\left(y \mid \mu, \sigma^{2}\right):=\frac{1}{\sqrt{2 \pi \sigma^{2}}} \exp \left(-\frac{(y-\mu)^{2}}{2 \sigma^{2}}\right)\right. $$ Which one(s) belong to the exponential family?
A. Only Uniform.
B. Both of them.
C. Only Gaussian.
D. None of them.
Answer: | C | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is known as the universal solvent?
A. water
B. air
C. vinegar
D. oil
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Disregarding nuclear holocausts, how many suns will be in the sunset?
A. 2
B. 1
C. 20
D. 42
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a public-key cryptosystem. Let $K_p$, $K_s$, $X$, and $Y$ be respectively the public key, private key, plaintext and ciphertext. Which assertion is \emph{always true}?
A. $Enc_{K_p}(Dec_{K_s}(X))=X$
B. $Enc_{K_s}(Dec_{K_p}(Y))=Y$
C. $Dec_{K_p}(Enc_{K_s}(Y))=Y$
D. $Dec_{K_s}(Enc_{K_p}(X))=X$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Through what does the nerve impulses travel to the brain?
A. oculomotor nerve
B. trochlear nerve
C. optic nerve
D. abducent nerve
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is it called when your joints start to wear out and they become stiff and painful?
A. endometriosis
B. tendonitis
C. arthritis
D. adenitis
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
We would genetically be all the same if genes did not have different what?
A. atoms
B. alleles
C. bases
D. antigens
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Do metals tend to gain electrons or lose electrons in chemical reactions?
A. develop electrons
B. same number of electrons
C. lose electrons
D. gain electrons
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In what subgroup are oligochaetes classified?
A. reptiles
B. mammals
C. polychaetes
D. insects
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If Alice receives a message proven to be coming from Bob, we say that the message is\dots
A. confidential
B. fresh
C. authenticated
D. correct
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
plants gather their nutrients from the
A. tinder
B. concrete ground
C. area under grass
D. store
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In which of the following groups is the decisional Diffie-Hellman problem (DDH) believed to be hard?
A. In $\mathbb{Z}_p$, with a large prime $p$.
B. In large subgroup of smooth order of a ``regular'' elliptic curve.
C. In a large subgroup of prime order of $\mathbb{Z}_p^*$, such that $p$ is a large prime.
D. In $\mathbb{Z}_p^*$, with a large prime $p$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can happen to an oak's leaves when the oak grows?
A. they increase in size
B. Localized damage
C. Earth revolving around the sun
D. they decrease in size
E. Exfoliation
F. The bending of a ray of light
G. they catch fire
H. they float into space
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For the number of times the apriori algorithm and the FPgrowth algorithm for association rule mining are scanning the transaction database the following is true
A. fpgrowth has always strictly fewer scans than apriori
B. fpgrowth and apriori can have the same number of scans
C. apriori cannot have fewer scans than fpgrowth
D. all three above statements are false
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does the sebaceous gland secrete which waterproofs the skin and hair?
A. pus
B. progesterone
C. sebum
D. collagen
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Fungi are no longer classified as what, possessing cell walls made of chitin rather than cellulose?
A. eukaryotes
B. flowers
C. roots
D. plants
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How many limbs do all mammals have?
A. four
B. it varies
C. three
D. two
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can cause harm to an organism?
A. Electrical energy
B. Electric devices
C. faulty household wiring
D. proper nutrition
E. Something that causes allergies
F. five glasses of water a day
G. exposure to cold
H. an adequate amount of exercise
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Structures that have lost their use through evolution are called _______
A. vestigial structures
B. primordial structures
C. residual structures
D. symbiotic structures
Answer: | A | sciq |
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