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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is scarred by a negative impact on the environment?
A. mines
B. deforestation
C. skin
D. bushes
E. water
F. landscape
G. coastlines
H. clouds
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Red algae and green algae are the closest relatives of what?
A. arctic plants
B. transfer plants
C. water plants
D. land plants
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In the first pass over the database of the FP Growth algorithm
A. Frequent itemsets are extracted
B. A tree structure is constructed
C. The frequency of items is computed
D. Prefixes among itemsets are determined
Answer: | C | m1_preference |
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+
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.
What shape is the gametophyte in ferns?
A. circular
B. diamond
C. rectangular
D. heart-shaped
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What asymmetrical organ has four chambers and, in humans, is about the size of a clenched fist?
A. brain
B. heart
C. liver
D. kidney
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Adding a solute does what to the boiling point of a pure solvent?
A. increases it
B. no effect
C. silences it
D. reduces it
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is caused by atoms or ions when they share or transfer valance electrons?
A. gain of charge
B. force of repulsion
C. loss of charge
D. force of attraction
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Regarding Label Propagation, which of the following is false?
A. The labels are inferred using the labels that are known apriori
B. It can be interpreted as a random walk model
C. Â Propagation of labels through high degree nodes are penalized by low abandoning probability
D. Injection probability should be higher when labels are obtained from experts than by crowdworkers
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
You are doing your ML project. It is a regression task under a square loss. Your neighbor uses linear regression and least squares. You are smarter. You are using a neural net with 10 layers and activations functions $f(x)=3 x$. You have a powerful laptop but not a supercomputer. You are betting your neighbor a beer at Satellite who will have a substantially better scores. However, at the end it will essentially be a tie, so we decide to have two beers and both pay. What is the reason for the outcome of this bet?
A. Because we use exactly the same scheme.
B. Because it is almost impossible to train a network with 10 layers without a supercomputer.
C. Because I should have used more layers.
D. Because I should have used only one layer.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The test loss of logistic regression is always zero.
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.
Of all the electromagnetic waves, which have the lowest frequencies?
A. gamma rays
B. X-rays
C. ultraviolet rays
D. radio waves
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Air quality is a measure of what in the air?
A. nitrogen
B. precipitation
C. pollutants
D. oxygen
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What color is pyrite?
A. blue
B. gold
C. silver
D. black
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can sense pressure?
A. thermometers
B. pressure cookers
C. sharks
D. fur seals
E. nerves
F. animals
G. humans
H. skin cells
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select the \emph{incorrect} statement. The discrete logarithm
A. can be solved by a polynomial algorithm.
B. is an easy problem in the Abelian group $\mathbb{Z}_p$.
C. is a hard problem in the multiplicative group $\mathbb{Z}_p^*$.
D. can be solved easily on a quantum computer.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
astronauts require what food for extended flights
A. Glucose
B. canned
C. squids
D. complete
E. sugar
F. hydration
G. earthworm
H. nutrients
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What consists of a nitrogen atom bonded to some combination of carbons and hydrogens?
A. an alkali
B. a chloride
C. an amine
D. a metalloid
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A man will most likely be unable to see if he gets lost in
A. a dense forest
B. a long river
C. a desert
D. a mountain
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what creatures lack respiratory and excretory systems?
A. Plant growth is reduced
B. marine and benthic
C. barnacles
D. epidermis and dermis
E. They may not survive.
F. kalenchoes
G. graptolites
H. movement of tectonic plates
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The process of breaking down food into nutrients is known as __________
A. digestion
B. absorption
C. filtration
D. energy
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Your input is "Distributed Information Systems". Your model tries to predict "Distributed" and "Systems" by leveraging the fact that these words are in the neighborhood of "Information". This model can be:
A. Bag of Words
B. Word Embeddings
C. LDA
D. kNN
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An example of how melting is achieved is seen in
A. cooking stew in a crockpot
B. using an oven to heat a pizza
C. using a stove to warm frozen vegetables
D. using a hairdryer to turn ice to water
Answer: | D | openbookqa |
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.
Inhaling and exhaling fumes of burning tobacco causes damage to what, directly?
A. health
B. lungs
C. spleen
D. fingers
E. cells
F. tissue
G. liver
H. plants
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The reason that ducks are such excellent swimmers is because
A. ducks have a space between their toes
B. ducks are buoyant and resilient
C. ducks have wide feet
D. ducks have extra foot skin
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Bulbs produce electrical energy to what?
A. reproduce
B. Change colors
C. rain or sun shine
D. adding heat
E. look at the sun
F. power up cars
G. see in darkness
H. walk through yards
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Nearly all of what are constructed from a set of just 20 common amino acids?
A. biological proteins
B. complex proteins
C. artifical proteins
D. mammal proteins
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For this question, one or more assertions can be correct. Tick only the correct assertion(s). There will be a penalty for wrong assertions ticked.Which of the following associations can be considered as illustrative examples for inflectional
morphology (with here the simplifying assumption that canonical forms are restricted to the roots
only)?
A. (activate, action)
B. (hypothesis, hypotheses)
C. (to go, went)
D. (speaking, talking)
Answer: | A | 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.
What has a positive impact on where something lives?
A. A computer
B. flooding
C. animals
D. starvation
E. drought
F. exercise
G. recycling
H. coral reefs
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{correct} assertion. Linear cryptanalysis \ldots
A. was invented long before the Caesar cipher.
B. is a chosen plaintext key recovery attack.
C. requires $\frac{1}{DP}$ pairs of plaintext-ciphertext.
D. breaks DES with $2^{43}$ 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 reproduces sexually?
A. viruses
B. intercourse
C. insects
D. humans
E. bacteria
F. ferns
G. Most plants
H. nematodes
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What simple machine consists of a bar that rotates around a fixed point called the fulcrum?
A. catapult
B. rotor
C. lever
D. battering ram
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.
Consider the following context-free grammar \(G\) (where \(\text{S}\) is the top-level symbol):
\(R_{01}: \text{S} \rightarrow \text{NP VP}\)
\(R_{02}: \text{NP} \rightarrow \text{NP0}\)
\(R_{03}: \text{NP} \rightarrow \text{Det NP0}\)
\(R_{04}: \text{NP0} \rightarrow \text{N}\)
\(R_{05}: \text{NP0} \rightarrow \text{Adj N}\)
\(R_{06}: \text{NP0} \rightarrow \text{NP0 PNP}\)
\(R_{07}: \text{VP} \rightarrow \text{V}\)
\(R_{08}: \text{VP} \rightarrow \text{V NP}\)
\(R_{09}: \text{VP} \rightarrow \text{V NP PNP}\)
\(R_{10}: \text{PNP} \rightarrow \text{Prep NP}\)
complemented by the lexicon \(L\):
a : Det
blue : Adj, N
drink : N, V
drinks : N, V
friends : N
from : Prep
gave : V
letter : N
my : Det
neighbor : N
nice : Adj, N
of : Prep
postman : N
ran : V
the : Det
to : PrepHow many (syntactic and lexical) rules does the extended Chomsky Normal Form grammar equivalent to \(G\) contain, if produced as described in the parsing lecture?
Question Options:
1. the grammar \(G\) cannot be converted to extended Chomsky Normal Form
2. the grammar \(G\) already is in extended Chomsky Normal Form
3. 11 rules
4. 31 rules
5. 48 rules
A. the grammar \(G\) cannot be converted to extended Chomsky Normal Form
B. the grammar \(G\) already is in extended Chomsky Normal Form
C. 11 rules
D. 31 rules
E. 48 rules
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Internal body fluids link exchange surfaces to what else?
A. organs
B. tissue
C. body cells
D. ligaments
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The sun’s energy is converted to chemical energy by a what?
A. plant
B. mammal
C. amphibian
D. bacterium
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If a large inanimate thing is moving across arctic seas, it is likely
A. freshwater fish
B. oily stones
C. hardened dampness
D. old sheep
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what do viruses infect?
A. animals
B. plants
C. bacteria
D. nonliving things
E. gravity
F. density
G. the skin
H. insects
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For $K$ a field, $a,b\in K$ with $4a^3+27b^2 \neq 0$, $E_{a,b}(K)$ is
A. a field.
B. a group.
C. a ring.
D. a ciphertext.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of constraints are placed on technological design?
A. physical and social
B. moral and legal
C. physical and legal
D. legal and social
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In JOS, suppose one Env sends a page to another Env. Is the page copied?
A. Yes
B. No
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When using linear regression, how do you help prevent numerical instabilities? (One or multiple answers)
A. reduce learning rate
B. add a regularization term
C. remove degenerate features
D. add more features
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What term is defined as the ability to locate objects in the dark by bouncing sound waves off them.
A. night vision
B. echolocation
C. morphology
D. thermodynamics
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{true} assertion. Assume an arbitrary $f:\{0,1\}^p \rightarrow \{0,1\}^q$, where $p$ and $q$ are integers.
A. $\mathsf{DP}^f(a,b)=\displaystyle\Pr_{X\in_U\{0,1\}^p}[f(X\oplus a)\oplus f(X)\oplus b=1]$, for all $a \in \{0,1\}^p$, $b \in \{0,1\}^q$.
B. $\Pr[f(x\oplus a)\oplus f(x)\oplus b=0]=E(\mathsf{DP}^f(a,b))$, for all $a, x \in \{0,1\}^p$, $b \in \{0,1\}^q$.
C. $2^p\mathsf{DP}^f(a,b)$ is odd, for all $a \in \{0,1\}^p, b \in \{0,1\}^q$.
D. $\displaystyle\sum_{b\in\{0,1\}^q} \mathsf{DP}^f(a,b)=1$, for all $a \in \{0,1\}^p$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select \emph{incorrect} statement. Complexity analysis of an attack consideres
A. time complexity.
B. memory complexity.
C. probability of success.
D. difficulty to understand a corresponding journal paper.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Given the following data structure: enum IntSet: \t case Empty \t case NonEmpty(x: Int, l: IntSet, r: IntSet) And the following lemmas, holding for all x: Int, xs: List[Int], ys: List[Int], l: IntSet and r: IntSet: (SizeNil) nil.size === 0 (SizeCons) (x :: xs).size === xs.size + 1 (ConcatSize) (xs ++ ys).size === xs.size + ys.size (TreeSizeEmpty) Empty.treeSize === 0 (TreeSizeNonEmpty) NonEmpty(x, l, r).treeSize === l.treeSize + r.treeSize + 1 (ToListEmpty) Empty.toList === nil (ToListNonEmpty) NonEmpty(x, l, r).toList === l.toList ++ (x :: r.toList) Let us prove the following lemma for all s: IntSet: (ToListSize) s.toList.size === s.treeSize We prove it by induction on s. Base case: s is Empty. Therefore, we need to prove: Empty.toList.size === Empty.treeSize Starting from the left hand-side (Empty.toList.size), what exact sequence of lemmas should we apply to get the right hand-side (Empty.treeSize)?
A. SizeNil, ToListEmpty, TreeSizeEmpty
B. ToListEmpty, TreeSizeEmpty, SizeNil
C. SizeNil, TreeSizeEmpty, ToListEmpty
D. TreeSizeEmpty, SizeNil, TreeSizeEmpty
E. ToListEmpty, SizeNil, TreeSizeEmpty
F. TreeSizeEmpty, ToListEmpty, SizeNil
Answer: | E | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Your input is "Distributed Information Systems". Your model tries to predict "Distributed" and "Systems" by leveraging the fact that these words are in the neighborhood of "Information". This model can be:
A. Bag of Words
B. Word Embeddings
C. LDA
D. kNN
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of these primitives can be surely considered insecure today?
A. Symmetric key encryption with an $82$ bit key.
B. RSA encryption scheme with a $1613$ bit modulus.
C. A signature scheme based on a random elliptic curve over a finite field $\mathrm{GF}(q)$ of cardinality $q > 2^{200}$.
D. Diffie-Hellman key exchange over a prime-order subgroup of $\mathbb{Z}_p^*$ that has order $\approx 2^{200}$ with a prime $p$ of $512$ bits.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Science is a process of knowing about the natural universe through what two actions?
A. changes and experimentation
B. thinking and guessing
C. observation and experimentation
D. guessing and observing
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What group of elements cannot conduct electricity?
A. nonmetals
B. carbonates
C. metals
D. phosphates
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Toasting already-baked bread requires using
A. unprocessed gluten mix
B. a thermal conductor
C. a snowboard
D. an energetic stream
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do gametes mate into?
A. haploid
B. fertile
C. pollen
D. seeds
E. zygotes
F. eggs
G. chromosomes
H. offspring
Answer: | E | qasc |
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.
Tick the \textbf{true} assertion. In RSA \ldots
A. \ldots decryption is known to be equivalent to factoring.
B. \ldots key recovery is provably not equivalent to factoring).
C. \ldots decryption is probabilistic.
D. \ldots public key transmission needs authenticated and integer channel.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textit{incorrect} assertion.
A. Plain CBCMAC resists forgery attacks.
B. GCM is a blockcipher mode of operation that provides both confidentiality and authenticity for messages.
C. A message authentication scheme that resists a chosen message forgery attack will also resist a known message forgery attack.
D. HMAC is a message authentication code based on 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.
what may live in large colonies?
A. bats
B. density
C. Birds
D. snakes
E. ants
F. acids
G. Wasps
H. bees
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what kind of process is evolution?
A. digestion
B. agriculture
C. adaptive
D. dangerous
E. competition
F. unnatural selection
G. static
H. ligt
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is a curse?
A. a form of aggression
B. Something coming from a gland
C. after too much water received
D. forest is destroyed
E. friendly behavior
F. a form of love
G. nonaggressive
H. death and devastation
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Light-weight air-filled bones and a large four-chambered heart helps a bird do what?
A. digest
B. fly
C. swim
D. run
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the name of the first leaf developed inside an embryo?
A. exon
B. gastromyzon
C. polylepis
D. cotyledon
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
how does a car engine usually convert gasoline into motion and heat?
A. Evaporation
B. compound of hydrogen oxygen
C. kinetic energy
D. antifreeze
E. oil changes
F. igniting fuel and oxidiser
G. using the turn signal
H. oxidation reaction
Answer: | H | qasc |
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.
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.
The strong affinity of concentrated sulfuric acid for water makes it a good agent of what?
A. concentrating
B. hydrating
C. diluting
D. dehydrating
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Electrocution causes organisms to be what?
A. intensely pleased
B. pained
C. thrilled
D. deadly
E. dangerous
F. sick
G. negative
H. talkative
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Distinct from a suspension, a solution is considered what type of mixture?
A. gaseous
B. continuous
C. homogeneous
D. heterogeneous
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What happens to the air inside an ocarina when you blow into it?
A. It expands
B. evaporation
C. moves
D. waves
E. Temperature
F. vibrates
G. It decreases
H. friction
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a linear regression problem with $N$ samples where the input is in $D$-dimensional space, and all output values are $y_{i} \in\{-1,+1\}$. Which of the following statements is correct?
A. (a) linear regression cannot "work" if $N \gg D$
B. (b) linear regression cannot "work" if $N \ll D$
C. (c) linear regression can be made to work perfectly if the data is linearly separable
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Functional groups are groups of atoms that occur within molecules and confer specific chemical properties to those molecules. they are found along the “carbon backbone” of what?
A. functional molecules
B. micromolecules
C. inorganic molecules
D. macromolecules
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A cow would prefer
A. birds
B. metals
C. sushi
D. cucumbers
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What environment do animals with gills live in?
A. water
B. underground
C. air
D. cold
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where is the hypothalamus–pituitary complex located in the body?
A. tribulus of the brain
B. subthalamic of the brain
C. stem of the brain
D. diencephalon of the brain
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
K-means can be equivalently written as the following Matrix Factorization $$ \begin{aligned} & \min _{\mathbf{z}, \boldsymbol{\mu}} \mathcal{L}(\mathbf{z}, \boldsymbol{\mu})=\left\|\mathbf{X}-\mathbf{M} \mathbf{Z}^{\top}\right\|_{\text {Frob }}^{2} \\ & \text { s.t. } \boldsymbol{\mu}_{k} \in \mathbb{R}^{D}, \\ & z_{n k} \in \mathbb{R}, \sum_{k=1}^{K} z_{n k}=1 . \end{aligned} $$
A. (a) yes
B. (b) no
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what have very little pressure?
A. bushes
B. mines
C. alpacas
D. bamboo
E. toads
F. ferns
G. veins
H. legumes
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The Merkle-D{\aa}mgard construction is
A. a method which iterates a hash function to obtain a compression function.
B. a method which iterates a compression function to obtain a hash function.
C. a method which constructs a compression function from a block cipher.
D. a method which constructs a block cipher function from 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.
A herd of wild horses has been decreasing in size rapidly. Which of these might be the cause?
A. There has been a lot of rain
B. The month of July has arrived
C. Predators have moved out of the area
D. All of the vegetation has been dying
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the common term for water in its solid state?
A. sea
B. vapor
C. precipitation
D. ice
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If John were going to the store, how would he measure his trip?
A. kilometer
B. centimeter
C. decameter
D. meter
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what is biomass the total mass of?
A. remains of prehistoric life
B. nutrients
C. dead weight
D. organisms on the food chain
E. Microscopic organisms
F. h2o
G. sub-units of species
H. The number of individuals
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What kind of conditions are often inherited as simple recessive traits?
A. genetic neurotransmitters
B. genetic diversivers
C. genetic ratios
D. genetic disorders
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $S_1$ be a random variable taking values in $\{a,b\}$ with probability $p_{S_1}(a) = rac{1}{4}$ and $p_{S_1}(b) = rac{3}{4}$. Let $S_2$ be a random variable, independent of $S_1$, taking values in $\{c,d\}$ with probability $p_{S_2}(c) = q$ and $p_{S_2}(d) = 1-q$, for some $q\in[0,1]$. Let $\Gamma_H$ be the binary Huffman code for the sequence $S = S_1 S_2$, and let $L(S,\Gamma_H)$ be the average codeword-length of $\Gamma_H$. True or false: $1\leq L(S, \Gamma_H) \leq 2$ for all $q\in[0,1]$.
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.
If a pull is strong somewhere, it likely has
A. snakes
B. magnitude
C. water
D. frames
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When the moon, sun, and earth line up, tides are at their
A. Happy
B. Max
C. Min
D. Middle
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Kilauea in hawaii is the world’s most continuously active volcano. very active volcanoes characteristically eject red-hot rocks and lava rather than this?
A. carbon and smog
B. magma
C. smoke and ash
D. greenhouse gases
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Alternation of generations allows for different methods of producing:
A. genders
B. music
C. Chlorophyll
D. trees
E. Plants growth
F. offspring
G. rays or beams
H. infection
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{false} assertion. Two-keys triple DES\dots
A. is more secure than double encryption.
B. is less secure than AES.
C. is as secure as a block cipher using a key twice longer.
D. is vulnerable to a certain variant of a meet-in-the-middle attacks.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which assertion has not been proven?
A. SAT $\in P$.
B. SAT is $NP$-complete.
C. SAT $\in NP$.
D. SAT $\in IP$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the function $f(x)=-x^{2}$. Which of the following statements are true regarding subgradients of $f(x)$ at $x=0$ ?
A. A subgradient does not exist as $f(x)$ is differentiable at $x=0$.
B. A subgradient exists but is not unique.
C. A subgradient exists and is unique.
D. A subgradient does not exist even though $f(x)$ is differentiable at $x=0$.
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is more complex in eukaryotes than prokaryotes?
A. migraines
B. pollen
C. cancer
D. orchids
E. genes
F. a cuticle
G. A computer
H. mitosis
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What term refers to the union of a male and female of the same species for reproduction?
A. evolution
B. behavior
C. life cycle
D. mating
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A source of pollution might be
A. recycling glass and plastic
B. creating a new use for old glass
C. throwing plastic in the pacific
D. finding a new use for old clothes
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Radon is inert and generally unreactive because it is which kind of gas?
A. ignoble gas
B. noble gas
C. ideal gas
D. transitive gas
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the term for the relationship in which one species benefits while the other species is harmed?
A. combative relationship
B. parasitic relationship
C. commensal relationship
D. symbiotic relationship
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes iron to rust?
A. Chemical energy
B. High pressure
C. harmful substances
D. Greenhouse gasses
E. permineralization
F. Chemical weathering
G. Cold temperatures
H. Direct heat
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The major entrance and exit for the respiratory system is which facial orifice?
A. pore
B. ear
C. nose
D. mouth
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do you call a reaction that consumes energy as it is carried out?
A. exothermic
B. autotrophic
C. unstable
D. endothermic
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Mass spectrometry today is used extensively in chemistry and biology laboratories to identify chemical and biological substances according to their ratios of what?
A. volume to charge
B. ph to charge
C. mass to volume
D. mass-to-charge
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a $(k+1,k)$ block code that to a binary sequence $x_1,\dots,x_k$ associates the codeword $x_1,\dots,x_k,x_{k+1}$, where $x_{k+1}= x_1+\ldots+x_k$ mod $2$. This code can detect all the errors of odd weight.
A. True
B. False
Answer: | A | m1_preference |
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