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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the term for when organisms need other organisms to survive?
A. realization
B. interdependence
C. coexistence
D. intradependence
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When computing PageRank iteratively, the computation ends when...
A. The difference among the eigenvalues of two subsequent iterations falls below a predefined threshold
B. The norm of the difference of rank vectors of two subsequent iterations falls below a predefined threshold
C. All nodes of the graph have been visited at least once
D. The probability of visiting an unseen node falls below a predefined threshold
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Red blood cells, white blood cells and what other cell is found in blood?
A. antibodies
B. platelets
C. plasma cells
D. hemoglobin
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Gall bladder removal surgery does not seriously affect digestion because ______ is still being produced.
A. bile
B. plasma
C. blood
D. saliva
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Producers, primary consumers, higher-level consumers, and decomposers are levels in what?
A. food flowchart
B. energy chain
C. food model
D. food chain
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What term means that only molecules or ions of a certain size, shape, polarity or charge are capable of passing through the material?
A. radiation permeation
B. selective permeation
C. classic permeation
D. induced permeation
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Friction can cause fires to break out in a home due to what?
A. heating liquids
B. wind speed
C. temperature
D. centripetal force
E. wire placement
F. friction
G. cigarettes
H. heat energy
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If A={a} and B={b}, select all strings that belongs toΒ (A β B)+
A penalty will be applied for any wrong answers selected.
A. (aaa,bbb)
B. (a,b)
C. (aaaaa,bbbb)
D. (a,bb)
E. (aaa,bb)
F. (aa,bbb)
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Are valence electrons attracted more or less strongly when they are farther from the nucleus?
A. less strongly
B. differently
C. equally
D. more strongly
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Sucrose attracts sperm to the what for fertilization?
A. egg
B. ovum
C. omelet
D. nest
E. male
F. ova
G. uterus
H. pistil
Answer:
|
A
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The $n^2$ problem ...
A. is dealt with thanks to Moore's Law.
B. is a consequence of Murphy's Law.
C. is a direct consequence of the Kerchkoffs Principles.
D. appears when $n$ users need to communicate to each other using a symmetric cipher.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
All eukaryotic cells have mitochondria, but not all eukaryotic cells have what?
A. cytoplasm
B. golgi bodies
C. chloroplasts
D. ribosomes
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the hollow sac like organ that stores urine until it is excreted?
A. bladder
B. ureter
C. tumor
D. kidney
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Amplification that occurs in which cells often requires signal transduction pathways involving second messengers?
A. catayst cells
B. sensory receptor
C. axons
D. optic nerves
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How does heat make an object hot?
A. temperature
B. high
C. transfer
D. It expands
E. frozen
F. Evaporation
G. electricity
H. sunlight
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Long distance runners try to maintain constant velocity with very little acceleration or deceleration to conserve what?
A. momentum
B. fuel
C. pressure
D. energy
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where is chlorine gas produced?
A. in the nucleus
B. carbon cycle
C. epidermis
D. at the anode
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If all potato bugs are infertile, they will likely
A. make efforts to starve
B. breed with some cats
C. be very sad about it
D. cease populating the earth
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{false} statement. Moore's Law ...
A. is partly a reason why some existing cryptosystems are insecure.
B. was stated by the founder of Intel.
C. assumes the number of transistors per CPU increases exponentially fast with time.
D. implies that the heat generated by transistors of CPU doubles every 18 months.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What kind of plants produce pollen?
A. white
B. insects
C. seeds
D. haploid
E. bees
F. swea
G. grass
H. Conifers
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the accumulated total of all the biochemical reactions occurring in a cell or organism called?
A. metabolism
B. circulation
C. expansion
D. respiration
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select the \emph{correct} statement. The Plain RSA Signature scheme
A. has modulus $N=p^2$.
B. has public modulus $e$ to be selected so that $\text{gcd} (e, \varphi(N)) > 1$.
C. allows us to pick a fixed public key exponent like $e=3$ or $e=2^{16}+1$.
D. has a secret modulus $d$ to be selected so that $e+d = 0 \pmod{\varphi(N)}$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{incorrect} assertion. Let $H:\left\{ 0,1 \right\}^*\rightarrow\left\{ 0,1 \right\}^n$ be a hash function.
A. We can use $H$ to design a commitment scheme.
B. We can use $H$ to design a key derivation function.
C. Finding $x,y\in\left\{ 0,1 \right\}^*$ such that $x\neq y$ and $h(x) = h(y)$ can be done in $O(2^{n/2})$ time.
D. Given $x\in\left\{ 0,1 \right\}^*$, finding a $y \in \left\{ 0,1 \right\}^*$ such that $x\neq y$ and $h(x) = h(y)$ can be done in $O(2^{n/2})$ time.
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 term used to measure the intensity of sound waves?
A. decibel
B. phon
C. hertz
D. amplitude
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Meters, such as those in analog fuel gauges on a car, are a common application of magnetic torque on a current-carrying what?
A. arc
B. circuit
C. dial
D. loop
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can cause animals to leave their homes?
A. Pesticides
B. natural disasters
C. animal sanctuaries
D. deforestation
E. influenza
F. Electrical energy
G. wildlife protections
H. creating dens
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Two rabbits frequently copulate. The result for the rabbits will likely be
A. broods
B. snacks
C. teeth
D. burrows
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Protein is made from:
A. Acids
B. DNA code
C. fur and fat
D. insects
E. animals
F. Energy.
G. Energy
H. food
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A neural network has been trained for multi-class classification using cross-entropy but has not necessarily achieved a global or local minimum on the training set.
The output of the neural network is $\mathbf{z}=[z_1,\ldots,z_d]^ op$ obtained from the penultimate values $\mathbf{x}=[x_1,\ldots,x_d]^ op$ via softmax $z_k= rac{\exp(x_k)}{\sum_{i}\exp(x_i)}$ that can be interpreted as a probability distribution over the $d$ possible classes.
The cross-entropy is given by $H(\mathbf{y},\mathbf{z})=-\sum_{i=1}^{d} y_i \ln{z_i}$ where $\mathbf{y}$ is one-hot encoded meaning the entity corresponding to the true class is 1 and other entities are 0.
We now modify the neural network, either by scaling $\mathbf{x} \mapsto lpha \mathbf{x}$ where $lpha \in \R_{>0}$ or through a shift $\mathbf{x} \mapsto \mathbf{x} + b\mathbf{1}$ where $b \in \R$.
The modified $\mathbf{x}$ values are fed into the softmax to obtain the final output and the network / parameters are otherwise unchanged.
How do these transformations affect the training accuracy of the network?
A. One transformation has no effect, the other one decreases the accuracy in some cases (but never increases it).
B. One transformation has no effect, the other sometimes increases and sometimes decreases the accuracy.
C. Neither transformation affects the accuracy.
D. Both transformations decrease the accuracy in some cases (but never increase it).
E. Both transformations sometimes increase and sometimes decrease the accuracy.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which one of the following notions means that ``the information must be protected against any malicious modification''?
A. privacy.
B. integrity.
C. confidentiality.
D. reliability.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is it called when organisms with traits that better enable them to adapt to their environment tend to survive and reproduce in greater numbers?
A. natural selection
B. adaptation
C. evolution
D. natural distribution
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A creature of a certain age lays a clutch, so it is probably a
A. deer
B. hare
C. falcon
D. bear
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A changing magnetic field produces an electric current in what?
A. organ
B. matter
C. substance
D. a conductor
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Orbiting at a fairly typical 370 kilometers, the international space station is an example of what?
A. high orbit satellite
B. flagella satellite
C. alteration satellite
D. manmade satellite
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{correct} assertion. Assume that $C$ is an arbitrary random permutation.
A. $\mathsf{BestAdv}_n(C,C^\ast)=\mathsf{Dec}^n_{\left|\left|\left|\cdot\right|\right|\right|_\infty}(C)$
B. $\mathsf{BestAdv}_n(C,C^\ast)=\mathsf{Dec}^{n/2}_{\left|\left|\left|\cdot\right|\right|\right|_\infty}(C)$
C. $E(\mathsf{DP}^{C}(a,b)) < \frac{1}{2}$
D. $\mathsf{BestAdv}_n(C,C^\ast)=\frac{1}{2}\mathsf{Dec}^n_{\left|\left|\cdot\right|\right|_a}(C)$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Mixtures that have the same composition throughout are known as what kinds of mixtures?
A. contiguous
B. heterogeneous
C. homogeneous
D. zygomatic
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
(Convex III) Let $f, g: \mathbb{R} \rightarrow \mathbb{R}$ be two convex functions. Then $h=f \circ g$ is always convex.
A. True
B. False
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is a continuous flow of electric charges called?
A. electric current
B. electricity
C. magnetic current
D. circuit
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How long might a bear likely to remain its den without eating, drinking, or excreting after November?
A. The first few weeks of December
B. Until it hears the call of the wild
C. For around twenty weeks
D. until hunters kill it for its pelt
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When searching for an entity ππππ€ that has a given relationship π with a given entity π
A. We search for ππππ€ that have a similar embedding vector to π
B. We search for ππππ€ that have a similar embedding vector to ππππ which has relationship π with π
C. We search for pairs (ππππ€, π) that have similar embedding to (ππππ, π)
D. We search for pairs (ππππ€, π) that have similar embedding to (ππππ, π) for ππππ which has relationship π with π
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Fitting a Gaussian Mixture Model with a single Gaussian ($K=1$) will converge after one step of Expectation-Maximization.
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.
Tick the \textbf{\emph{incorrect}} assertion. A $\Sigma$-protocol \dots
A. has special soundness.
B. is zero-knowledge.
C. is a 3-move interaction.
D. has the verifier polynomially bounded.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{false} assertion. A cipher with a good decorrelation of order 2 protects against \ldots
A. \ldots non-adaptive distinguishers limited to two queries.
B. \ldots unbounded attacks.
C. \ldots differential cryptanalysis.
D. \ldots linear cryptanalysis.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What occurs when many muscles contract a little bit all at once?
A. the production of cells
B. preventing heat transfer
C. To keep their body heat.
D. the production of heat
E. Generating heat
F. recovery time from fatigue
G. the production of cold
H. the production of skin
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In JOS and x86, please select all valid options for a system call.
A. A system call is for handling interrupts like dividing zero error and page fault.
B. In user mode, before and after a system call instruction(such as int 0x30), the stack pointer(esp in x86) stays the same.
C. During the execution of a system call, when transfering from user mode to kernel mode, the stack pointer(esp in x86) stays the same.
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $G$, be a valid generator matrix of dimensions $\mathbb F^{k imes n}$. Recall that ``valid'' means that $k \leq n$ and $ ext{rank}(G) = k$. Let $D_1 \in \mathbb F^{k imes k}$ and $D_2 \in \mathbb F^{n imes n}$ be diagonal matrices with non-zero diagonal elements. True or false: $D_1 \cdot G \cdot D_2$ is also a valid generator matrix.
A. False
B. True
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Plants and fungi cells have what basic cell structure, which animals do not have?
A. Lysosomes
B. Cytoskeleton
C. cell wall
D. Cell Membrane
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The many trees on a forest floor
A. are unable to decay
B. are able to regrow themselves
C. are broken down for good
D. broke, passed, will decay
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The periodic table is one of the cornerstones of chemistry because it organizes all the known elements on the basis of their what?
A. chemical properties
B. acid properties
C. size properties
D. liquid properties
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the specialized tissue that transports water and nutrients throughout the plant and allows these plants to grow taller?
A. blood vessels
B. dioxide tissue
C. fiber tissue
D. vascular tissue
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How does LSI querying work?
A. The query vector is treated as an additional term; then cosine similarity is computed
B. The query vector is transformed by Matrix S; then cosine similarity is computed
C. The query vector is treated as an additional document; then cosine similarity is computed
D. The query vector is multiplied with an orthonormal matrix; then cosine similarity is computed
Answer:
|
C
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Elements are either metals, nonmetals, or what?
A. partial metals
B. unstable metals
C. semimetals
D. reactive metals
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $G$, be a valid generator matrix of dimensions $\mathbb F^{k imes n}$. Recall that ``valid'' means that $k \leq n$ and $ ext{rank}(G) = k$. Let $D_1 \in \mathbb F^{k imes k}$ and $D_2 \in \mathbb F^{n imes n}$ be diagonal matrices with non-zero diagonal elements. True or false: $D_1 \cdot G \cdot D_2$ is also a valid generator matrix.
A. False
B. True
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the largest organelle in a eukaryotic cell?
A. mitochondria
B. vacuole
C. nucleus
D. ribosome
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A false negative in sampling can only occur for itemsets with support smaller than
A. the threshold s
B. p*s
C. p*m
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 happens when microorganisms get on food?
A. It tastes better
B. Animal survival
C. Dehydration
D. hydrate their cells
E. Nothing, it's normal
F. It gets moldy
G. hyperthyroidism
H. The food is safe to eat
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What triggers the fight-or-flight response?
A. amphetamine
B. endorphine
C. epinephrine
D. respiration
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{correct} assertion regarding GSM.
A. In GSM, the communication is always encrypted.
B. The integrity of GSM messages is well protected.
C. GSM uses the GSME cipher to encrypt messages.
D. In GSM, the phone is authenticated to the network.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following is well preserved by 2G?
A. Confidentiality
B. Message Integrity
C. Challenge freshness
D. Authentication of Mobile Station
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a 3-gram language model.Β Select all possible ways we can compute the maximum likelihood of the word sequence:"time flies like an arrow"You will get a penalty for wrong ticks.
A. P(time flies like).P(an|flies like).P(arrow|like an)
B. P(time flies like).P(like|time flies).P(an|flies like).P(arrow|like an)
C. P(time).P(flies like|time).P(an|flies like).P(arrow|like an)
D. P(time flies).P(like|flies).P(an|like).P(arrow|an)
E. P(time flies).P(flies|time).P(like|flies).P(an|like).P(arrow|an)
F. P(time flies).P(like|time flies).P(an|flies like).P(arrow|like an)
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
if members of a species are born then the species what increases?
A. water
B. community
C. understanding
D. food
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Over the lifetime of the planet hydro mechanical wearing will create a
A. crevasse
B. ocean
C. drought
D. water park
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In classical physics, momentum is a simple product of mass and this?
A. velocity
B. speed
C. acceleration
D. direction
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the term for a mountain-building event?
A. volcanism
B. orogeny
C. glaciation
D. erosion
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Why do some animals grow thicker fur around Christmas in the Northern hemisphere?
A. overheat
B. protect them
C. stay warm
D. climate
E. adding heat
F. warm other animals
G. stay cool
H. sun's heat
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Modularity of a social network always:
A. Increases with the number of communities
B. Increases when an edge is added between two members of the same community
C. Decreases when new nodes are added to the social network that form their own communities
D. Decreases if an edge is removed
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Daemons are just long running processes. When applying mitigations to these
processes, several aspects change. Which ones?
A. ASLR becomes less effective as multiple requests across
different users are handled in a single process.
B. Stack canaries become less effective as multiple requests are
handled by the same thread.
C. DEP becomes less effective as compiler optimizations are
turned on, allowing the attacker to inject new code.
D. CFI becomes less effective as the concurrent clients cause
more targets to be available.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Patients with familial hypercholesterolemia have life-threatening levels of cholesterol because their cells cannot clear what particles from their blood?
A. oxygen (O)
B. low-density lipoprotein (ldl)
C. iron (Fe)
D. high - density lipoprotein (hdl)
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of these things would cause more racoons to hang out nearby?
A. shooting them as they come
B. cutting their hair at night
C. leaving lids off garbage cans
D. putting garbage cans inside the garage
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the most common type of joint in the human body?
A. proximal joints
B. movable joints
C. dorsal joints
D. transverse joints
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What have a negative impact on an organism?
A. influenza
B. smallpox
C. cancer
D. chickenpox
E. viruses
F. Pollution
G. pathogens
H. steroids
Answer:
|
G
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In linear cryptanalysis,\dots
A. one needs to do a chosen plaintext attack.
B. one studies how the differences in the input propagate in the cipher.
C. one chooses the deviant property with the smallest bias in order to optimize the attack.
D. one needs to have about $\frac{1}{LP}$ pairs of plaintext-ciphertext in order to recover the correct key, where $LP$ is the linear probability of the cipher.
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 name of the liquid component of a solution?
A. solute
B. ionic
C. solvent
D. reactant
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Matrix Factorizations: If we compare SGD vs ALS for optimizing a matrix factorization of a $D \times N$ matrix, for large $D, N$
A. (a) Per iteration, SGD has a similar computational cost as ALS
B. (b) Per iteration, ALS has an increased computational cost over SGD
C. (c) Per iteration, SGD cost is independent of $D, N$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following statements is correct concerning the use of Pearsonβs Correlation for user- based collaborative filtering?
A. It measures whether different users have similar preferences for the same items
B. It measures how much a userβs ratings deviate from the average ratings I
C. t measures how well the recommendations match the userβs preferences
D. It measures whether a user has similar preferences for different items
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is formed when a high mass celestial body collapses?
A. rays or beams
B. Calcium carbonate
C. It gets heated up
D. fossil fuels
E. scattered light
F. layers of fat
G. a black hole
H. heating liquids
Answer:
|
G
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The bear in the wild needs to find other animals to feast.
A. they never kill
B. they only eat
C. they are docile
D. they are killers
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If a frog is a baby, then it has
A. zero legs
B. four legs
C. two legs
D. zero parents
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is used in the growth, development, functioning and reproduction of all known living organisms and many viruses?
A. enzymes
B. dna
C. viruses
D. bacteria
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where does silt come from?
A. loose soil
B. Rocks breaking down
C. salt and water.
D. The area was once underwater
E. A lot of rain
F. Dry air
G. Hot temperatures
H. tectonic plates coliding
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select the \emph{incorrect} statement. Euler Theorem
A. is a generalization of Little Fermat Theorem.
B. states that any $x \in \{0, \dots, N-1 \}$ and any $k$, we have $x^{k\varphi(N)+1}=x \pmod N$, where $N=pq$ for $p$,$q$ distinct primes.
C. gives the basis for polynomial time factoring.
D. allows us to prove that RSA decryption works.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Some bacteria also have tail-like structures called what?
A. flagella
B. nuclei
C. sporangia
D. plasmids
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is required for breathing?
A. nose
B. photosynthesis
C. Gas
D. CO2
E. cells
F. air
G. brain
H. lung
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The domain geometry for a molecule with four electron pairs is called what?
A. bent
B. tetrahedral
C. trigonal planar
D. linear
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What has a centralized nervous system with a brain?
A. Man
B. Birds
C. leeches
D. shark
E. evergreens
F. salmon
G. worms
H. pan
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the scientific name for the human species?
A. homo erectus
B. Neanderthal
C. primate
D. homo sapiens
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An example of an instinctive behavior is
A. doing a cartwheel outside
B. singing on a stage
C. eating a large pizza
D. a mother feeding the kids
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
You are in $D$-dimensional space and use a KNN classifier with $k=1$. You are given $N$ samples and by running experiments you see that for most random inputs $\mathbf{x}$ you find a nearest sample at distance roughly $\delta$. You would like to decrease this distance to $\delta / 2$. How many samples will you likely need? Give an educated guess.
Question Options:
1. $2^D N$
2. $N^D$
3. $2 D$
4. $\log (D) N$
5. $N^2$
6. $D^2$
7. $2 N$
8. $D N$
A. $2^D N$
B. $N^D$
C. $2 D$
D. $\log (D) N$
E. $N^2$
F. $D^2$
G. $2 N$
H. $D N$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what do flowers tend to attract?
A. insects
B. hummingbirds
C. honeybees
D. orchids
E. seagulls
F. disease
G. h2o
H. colors
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does digestion absorb?
A. food
B. lipids
C. oxygen
D. blood
E. sugar
F. O2
G. water
H. Energy
Answer:
|
A
|
qasc
|
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.
Why do homonuclear diatomic molecules have zero dipole moment?
A. no activation energy
B. no electrical attraction
C. at homeostasis
D. no difference in electronegativity
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
National parks have rules
A. that curtail the growth of fragile animal species
B. that open the parks to mining of natural resources
C. that allow for littering
D. that protect vulnerable animal inhabitants int he parks
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Ways to reuse paper could be
A. use as window cleaner
B. make a new dress
C. make a new shoe
D. build a new home
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Cranial nerves convey specific sensory information from the head and neck directly to what organ?
A. eye
B. nose
C. brain
D. heart
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Assume a user program executes following tasks. Select all options that will use a system call.
A. Read the user's input "Hello world" from the keyboard.
B. Write "Hello world" to a file.
C. Encrypt "Hello world" by AES.
D. Send "Hello world" to another machine via Network Interface Card.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Made of hot, solid rock, the mantle is beneath what layer of the earth?
A. liquid
B. volcanic
C. crust
D. core
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For any function $f:\{0,1\}^p\rightarrow \{0,1\}^q$ and for any $a\in\{0,1\}^p$, we have\ldots
A. $\Sigma _{b\in \{0,1\}^q}\mathsf{DP}^f(a,b)=1$
B. $\Sigma _{b\in \{0,1\}^q}\mathsf{DP}^f(a,b)=0$
C. $\Sigma _{b\in \{0,1\}^q}\mathsf{DP}^f(a,b)=\frac{1}{2}$
D. $\Sigma _{b\in \{0,1\}^q}\mathsf{DP}^f(a,b)=\frac{1}{\sqrt{2}}$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The group $\mathbb{Z}_{60}^*$ has \ldots
A. 16 elements.
B. 60 elements.
C. 59 elements.
D. 32 elements.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select the statements that are true.A penalty will be applied to any incorrect answers selected.
A. Information retrieval is the selection of documents relevant to a query from an unstructured collection of documents.
B. Different IR systems can differ in the way they represent documents, represent queries, and define the relevance measure between documents and queries.
C. The vector space model represents documents as vectors derived from the distribution of indexing terms in the document.
D. The dimensionality of the vector space does not depend on the size of the indexing vocabulary.
E. Use of filters during indexing results in less informative indexes.
Answer:
|
A
|
m1_preference
|
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