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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Why do electronegativities decrease from top to bottom? A. larger atomic variation B. smaller atomic size C. larger atomic size D. larger electric pull Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. We represent $GF(2^8)$ as $\mathbb{Z}_2[X]/P(X)$ where $P(X) = X^8 + X^4+X^3+X+1$. Then, $(X^7+X^6)\times (X + 1)=$\dots A. $X^6+X^5+X^4+X^3+X$. B. $X^6 + X^4 + X^3 + X + 1$. C. $X^6$. D. $X^7+X^6+X^4+X^3+X+1$. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What does the vertebral column , or backbone, protect? A. neurons B. disks C. axons D. spinal cord Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what does water move downstream to form a sandbar? A. fish B. minerals C. erosion D. oxygen E. loose soil F. h2o G. rivers H. rain Answer:
B
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are the two main types of air pollutants? A. a and b B. good and bad C. primary and secondary D. new and old Answer:
C
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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What converts chemical energy into light and warmth for earth? A. tulips B. wind C. algae D. trees E. earth F. fire G. water H. Green Answer:
F
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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is hurt when the environment changes from green to brown? A. animals B. oceans C. humans D. forests E. bushes F. people G. water H. space Answer:
D
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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What does sugar turn into to create ethanol? A. Joules B. Alcohol C. Pie D. Cotton Candy E. emissions F. Energy G. heat H. Chocolate Answer:
B
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Tick the \textbf{true} assertion. $x\in \mathbf{Z}_{n}$ is invertible iff \ldots A. $\varphi(n)= n-1$. B. $x$ is prime. C. $x$ is not prime. D. $gcd(x,n) = 1$. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Evaporation can be used to move a solvent apart from: A. heat B. Temperature C. Water D. heat energy E. all liquids F. vaporization G. evaporation H. a solute Answer:
H
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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what is unique to mammals? A. fur B. magnetism C. eyes D. scales E. hair F. skin G. wool H. cats Answer:
A
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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What happens to structural genes in the presence of tryptophan? A. they are exterminated​ B. they are transcribed C. they are not transcribed D. they are not oxidised Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What country put seven salyut space stations into orbit between 1971 and 1982? A. Japan B. soviet union C. China D. United States Answer:
B
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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Applying the car brakes generates A. gas B. energy C. sound D. heat E. warmth F. fluid G. waves H. oil Answer:
D
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the process of converting atmospheric nitrogen to ammonia called? A. nitrogen fixation B. atmospheric fixation C. oral fixation D. ammonia fixation Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the source of most of the energy used? A. fossil fuels B. the Moon C. the sun D. the Earth Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Mammals are one of a few animals that's core temp A. fluctuates B. stays the same C. drops suddenly D. heats up Answer:
B
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Diffie-Hellman refers to \ldots A. a signature scheme. B. a public-key cryptosystem. C. a key-agreement protocol. D. the inventors of the RSA cryptosystem. 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 physical environment in which a species lives and to which it has adapted? A. land mass B. farmland C. ecosystem D. habitat Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Compute $\phi(90)$. A. $36$. B. $24$. C. $16$. D. $48$. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Electrical flow can be slowed down if there is an insulator A. protected B. avoided C. active D. demoted Answer:
C
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The sum of the masses of the atoms in the formula is referred to as what? A. nucleus mass B. molecular mass C. atomic mass D. magnetic mass Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. An example of combined substances could be A. diamonds B. tin C. cake D. water Answer:
C
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Select the \emph{incorrect} statement A. RC4, A5/1, E0 are stream ciphers B. MD4, MD5, SHA0, SHA1 are hash functions C. DES, AES are block ciphers D. ECB, KDF, PRF are commitment schemes Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What scientific word, which gives its name to a type of rock, means "to change form"? A. metamorphism B. igneous C. evolution D. evaporation Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The motor thus acts as a generator whenever its coil does what? A. stops B. rotates C. oscillates D. revolves Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. When a vegetative organism lifeform goes into a state of creating a life from itself, what is it called? A. dispersing reproduction units B. painting C. seed harvest D. hibernation Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What does an animal require to survive? A. interesting locations B. sunlight C. cable television D. nutriment Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Consider the following lexicon \(L\): bear : V, N bears : V, N blue : Adj, N drink : N, V drinks : N, V Nice : Adj, N When using an order-1 HMM model (using \(L\)) to tag the word sequence:"Nice bears drink blue drinks"does the tag of drink depend on the tag of nice? A. yes, because the HMM approach relies on a global maximum. B. no, the hypotheses make the two tags independent from each other. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Fish are a diverse and interesting group of organisms in what sub-phylum? A. invertebrates B. organelles C. mammals D. vertebrates Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What kind of fuels include coal, oil, and natural gas? A. ancient B. fossil C. storage D. sediment Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Fish move best through water when their fins are? A. Large [Collect] B. Long C. Small D. Short Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Hurricanes and winter storms both develop from what, which often form when the jet stream dips south in the winter? A. waves B. tides C. typhoons D. cyclones Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Taking a chicken leg from a deep freezer and placing it on a kitchen counter will A. cause it to die B. cause it to unfreeze C. cause it to freeze D. cause it to corrode Answer:
B
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What effect causes global winds to blow on a diagonal over the earth's surface? A. coriolis effect B. dopler effect C. resonant effect D. centrifugal effect Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The nail bed is a specialized structure of the epidermis that is found at the tips of our what? A. fingers, nails, and scalp B. only fingers C. fingers and toes D. only nails 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 core of a star when it begins to run low on hydrogen? A. it explodes B. it contracts C. it expands D. it disappears Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what involves the retina? A. gravity B. disease C. h2o D. reacts E. CO 2 F. digestion G. painful H. sight Answer:
H
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which of the execution of an application are possible on a single-core machine? A. Concurrent execution B. Parallel execution C. Both concurrent and parallel execution D. Neither concurrent or parallel execution Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. An example of a chemical reaction might be A. a rusty knife B. Water C. Grass D. Smiling Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. In User-Based Collaborative Filtering, which of the following is correct, assuming that all the ratings are positive? A. Pearson Correlation Coefficient and Cosine Similarity have different value range, but return the same similarity ranking for the users B. If the ratings of two users have both variance equal to 0, then their Cosine Similarity is maximized C. Pearson Correlation Coefficient and Cosine Similarity have the same value range, but can return different similarity ranking for the users D. If the variance of the ratings of one of the users is 0, then their Cosine Similarity is not computable Answer:
B
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Principle Component Analysis (PCA) is a technique for... A. dimensionality reduction B. data augmentation C. feature extraction D. variance normalization Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The number of parameters of the fasttext classifier and the simple self-attention classifier A. Are the same B. Fasttext has more C. Self-attention has more Answer:
C
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What theory explains the physical behavior of gases? A. kinetic theory of gases B. thermodynamic theory of gases C. relativity theory of gases D. quantum theory of gases Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Let $n=pq$ be a RSA modulus and let $(e,d)$ be a RSA public/private key. Tick the \emph{correct} assertion. A. Finding a multiple of $\lambda(n)$ is equivalent to decrypt a ciphertext. B. $ed$ is a multiple of $\phi(n)$. C. The two roots of the equation $X^2 - (n-\phi(n)+1)X+n$ in $\mathbb{Z}$ are $p$ and $q$. D. $e$ is the inverse of $d$ mod $n$. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Alternation of generations is characteristic of the life cycle of all what? A. cells B. plants C. animals D. organs Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. How can viruses make copies of themselves? A. A compound that donates proton B. attach themselves to cells C. have sex with another virus D. distances themselves from cell E. attach themselves to viruses F. it needs them G. rapid expansion H. By wind and rain Answer:
B
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Under certain conditions, maximizing the log-likelihood is equivalent to minimizing mean-squared error for linear regression. The mean-squared error can be defined as $\mathcal{L}_{m s e}(\mathbf{w}):=$ $\frac{1}{2 N} \sum_{n=1}^{N}\left(y_{n}-\widetilde{\mathbf{x}}_{n}^{\top} \mathbf{w}\right)^{2}$ and $y_{n}=\widetilde{\mathbf{x}}_{n}^{\top} \mathbf{w}+\varepsilon_{n}$ is assumed for the probabilistic model. Which of following conditions is necessary for the equivalence? A. The noise parameter $\varepsilon_{n}$ should have a normal distribution. B. The target variable $y_{n}$ should have a normal distribution. C. The i.i.d. assumption on the variable $\mathbf{w}$. D. The conditional probability $p\left(y_{n} \mid \widetilde{\mathbf{x}}_{n}, \mathbf{w}\right)$ should follow a Laplacian distribution. E. The noise parameter $\varepsilon_{n}$ should have non-zero mean. Answer:
A
m1_preference
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. If you flick an empty glass of water with your finger it will A. fill up B. burst in flames C. make a sound D. evaporate Answer:
C
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Erosion can A. Give me a hair cut B. Create a beautiful painting C. turn a statue to dust D. Clean my car windows 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 algorithms is \emph{not} a hash function? A. SHA-1 B. MD5 C. RC4 D. MD4 Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What do you call catalysts that are found inside of living things? A. hormones B. enzymes C. fibres D. proteins Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. vein deposits of gold and silver are formed where? A. loose soil B. aqueous solution C. graptolites D. tectonic plates coliding E. higher elevations F. mountain sources G. flow of electrons H. In sediment Answer:
E
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are the two types of charges? A. energy and mass B. positive and negative C. volume and acceleration D. ions and neutrons Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What type of energy travels in waves across space as well as through matter? A. thermal energy B. electromagnetic radiation C. kinetic energy D. mechanical radiation Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What uses playing as just one of many ways to learn how to behave? A. athletes B. Toys C. sharks D. Humans E. Video games F. exercise G. people H. A.I Answer:
D
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Touch is the ability to sense what? A. temperature B. photons C. energy D. force E. power F. motion G. voltage H. waves Answer:
D
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what converts chemical energy into light and heat energy? A. Firecrackers B. breathing C. burning fuel D. eating food E. warmth F. condensing fuel G. Green beans H. cigarettes Answer:
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. A creek flows slowly, and the water runs very gently, yet if a leaf tumbles into it A. it will relocate B. it will melt C. it will cry D. it will hold Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Let $\mathcal{C}$ be a binary $(6,3)$ linear code containing the codewords $\mathbf{x}_1 = 011011$, $\mathbf{x}_2 = 101101$ and $\mathbf{x}_3 = 111000$. True or false: The minimum distance of the code is $d_{\min} = 3$. 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. The stability of an ecosystem depends on the actions of what, exemplified by mushrooms on a decaying log and bacteria in soil? A. whitefly B. aphids C. fluxes D. decomposers Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. There are how many visual clues to indicate a chemical reaction? A. three B. seven C. four D. five Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is defined as a loss of hydrogen atoms? A. conduction B. oxidation C. Reduction D. evaporation Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Dolphins are what type of animal? A. mammal B. reptile C. fish D. whale Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which of the following ciphers is based on arithmetics over the finite field $\mathrm{GF}(2^8)$? A. AES B. DES C. A5/1 D. RC4 Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What slow process is required for formation of soil? A. digestion B. fossilization C. leaching D. weathering Answer:
D
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 smaller molecules that make up proteins? A. rna acids B. amino acids C. DNA acids D. fundamental acids Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Select the morpho-syntactic categories that do not carry much semantic content and are thus usually filtered-out from indexing. A. Determiners B. Conjunctions C. Nouns D. Adjectives E. Verbs Answer:
A
m1_preference
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 $\mathcal{A} = \{a, b, c, d, e, f\}$. Consider the following encoding $\Gamma$ over a code alphabet $\mathcal{D}$ of size $D$ with the following codeword lengths: egin{center} egin{tabular}{ |c|c|c|c|c|c|c| } \hline & $a$ & $b$ & $c$ & $d$ & $e$ & $f$ \ \hline $l(\Gamma(\cdot))$ & 1 & 1 & 1 & 2 & 2 & 4 \ \hline \end{tabular} \end{center} True or false: If $D=4$ then $\Gamma$ is necessarily prefix-free. 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 are on when there is flow of current in an electrical circuit A. energy B. lights C. engine D. cycles E. brakes F. waves G. water H. Vibrates Answer:
B
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is an example that ecosystems are an interconnected world? A. animals' numbers decreasing when food decreases B. animals' numbers increasing when predator numbers increase C. animals' numbers increasing when plants decrease D. animals' numbers decreasing when food increases Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Other than sight bloodhounds can find a meal by A. social media B. their phone C. the internet D. stench Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Ribosomes are produced in the nucleolus, and then transported to the what? A. cerebellum B. cytoplasm C. nucleus D. cytoskeleton Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Suppose that an item in a leaf node N exists in every path. Which one is correct? A. N co-occurs with its prefix in every transaction. B. For every node P that is a parent of N in the fp tree, confidence(P->N) = 1 C. N’s minimum possible support is equal to the number of paths. D. The item N exists in every candidate set. Answer:
C
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Most food chains and webs have a maximum of how many trophic levels? A. 6 B. 4 C. 3 D. 10 Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. How can you extend the shelf life of food? A. Cook it B. Energy C. Buy it in bulk D. mutations E. heat F. Eat it G. Keep it on the counter H. Enzymes Answer:
A
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what are encoded with instructions that tell cells what to do? A. heat or cold B. sensory neurons C. a delta D. gene segments E. A Greek letter F. to move people G. lie detectors H. Electrical energy Answer:
D
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Select what is true about the Baum-Welch algorithm.A penalty will be applied for any incorrect answers. A. It uses expectation maximization to estimate parameters of the Hidden Markov Model. B. The algorithm always converges towards a global maximum of the parameters estimated. C. The resulting parameters from the algorithm do not depend on the values the parameters are initialized with. D. If we have few word sequences annotated with PoS tags, we can use these data to set, in a supervised manner, the initial parameters of the Baum-Welch algorithm. E. You cannot randomly initialize the parameters of the algorithm. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Oils are liquid lipids that plants use to store what? A. energy B. carbo C. fat D. Protein Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Interneurons carry what back and forth between sensory and motor neurons? A. sciatica B. flux impulses C. electricity D. nerve impulses Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which one of these attacks is not a side channel attack? A. sound analysis. B. electromagnetic fields analysis. C. differential fault analysis. D. brute force attack. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What do osteoblasts secrete that mineralizes to become bone matrix? A. spongin B. carbon C. collagen D. calcium Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What type of blood does the right side of the heart collect and then pump to the lungs? A. nitrogen-poor blood B. oxygen-rich blood C. oxygen-poor blood D. nitrogen-rich blood Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. If a ruler is going to measure something, it will most likely be used to measure a A. gram of salt B. liter of gasoline C. curtain D. ounce of milk Answer:
C
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What destroys bacteria in food? A. Acids B. O3 C. heat D. cold E. water F. gases G. immune H. energy Answer:
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which of the following operations would switch the user program from user space to kernel space? A. Dividing integer by 0. B. Calling sin() in math library. C. Invoking read() syscall. D. Jumping to an invalid address. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. According to the Kerckhoffs Principle: A. The internal design of a cryptosystem should be public. B. The internal design of a cryptosystem should \emph{not} be public. C. If there is a single security hole in a cryptosystem, somebody will discover it. D. The security of the cryptosystem should \emph{not} rely on the secrecy of the cryptosystem itself. 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 order of $2^{124}$ in $(\mathbb{Z}_{2^{128}},+)$? A. 8. B. $\varphi(2^{128})$. C. 124. D. 16. 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 movement of muscle in the digestive system called? A. peristalsis B. apoptosis C. acid reflux D. labor contractions 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 cellular eating? A. ancylosis B. Pinocytosis C. consumption D. phagocytosis Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What can melting glaciers deposit? A. heaps of ice cubes B. heaps of confused penguins C. heaps of crystalline solids D. heaps of coral reef Answer:
C
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Stream ciphers often use a nonce to \dots A. simplify the key schedule. B. reduce the size of the secret key. C. avoid the reuse of the key stream. D. improve the efficiency of the automaton. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Select what is true about the Baum-Welch algorithm.A penalty will be applied for any incorrect answers. A. It uses expectation maximization to estimate parameters of the Hidden Markov Model. B. The algorithm always converges towards a global maximum of the parameters estimated. C. The resulting parameters from the algorithm do not depend on the values the parameters are initialized with. D. If we have few word sequences annotated with PoS tags, we can use these data to set, in a supervised manner, the initial parameters of the Baum-Welch algorithm. E. You cannot randomly initialize the parameters of the algorithm. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What can have a water vascular system with tube feet? A. ducks B. peachleaf willow C. cats D. orchids E. Most plants F. horses G. animals H. deuterostomes Answer:
H
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the movement of substances across the membrane without the expenditure of cellular energy called? A. active transport B. passive transport C. inner cell transport D. immune transport 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 portion of a nucleotide lacking phosphate groups? A. a nucleoside B. nucleolus C. nuclear shell D. a nucleobase Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. In ElGamal signature scheme, if we avoid checking that $0 \leq r < p$ then \ldots A. \ldots a universal forgery attack is possible. B. \ldots an existential forgery attack is avoided. C. \ldots we can recover the secret key. D. \ldots we need to put a stamp on the message. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. When using linear regression, which techniques improve your result? (One or multiple answers) A. linear regression does not allow polynomial features B. polynomial combination of features C. adding new features that are non-linear combination of existing features D. because the linear nature needs to be preserved, non-linear combination of features are not allowed Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. A person wants to collect green slime, so they seek out A. damp gutters B. neat pictures C. old dogs D. dry bones Answer:
A
openbookqa