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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Atoms of what element ultimately form in a red supergiant?
A. iron
B. gold
C. coal
D. steel
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Respiration that occurs in the cells is called?
A. plasma respiration
B. cellular respiration
C. biological respiration
D. electromagnetic respiration
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In terms of the \textbf{bias-variance} decomposition, a 1-nearest neighbor classifier has \rule{2cm}{0.15mm} than a 3-nearest neighbor classifier.
A. higher variance
B. lower variance
C. higher bias
D. lower bias
Answer: | A | m1_preference |
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.Using a 3-gram character model, which of the following expressions are equal to \( P(\text{opossum}) \) ?
A. \( P(\text{op}) \cdot P(\text{op}|\text{o}) \cdot P(\text{po}|\text{s}) \cdot P(\text{os}|\text{s}) \cdot P(\text{ss}|\text{u}) \cdot P(\text{su}|\text{m}) \)
B. \( P(\text{op}) \cdot P(\text{o}|\text{po}) \cdot P(\text{s}|\text{op}) \cdot P(\text{s}|\text{so}) \cdot P(\text{u}|\text{ss}) \cdot P(\text{m}|\text{us}) \)
C. \( P(\text{op}) \cdot P(\text{o}|\text{op}) \cdot P(\text{s}|\text{po}) \cdot P(\text{s}|\text{os}) \cdot P(\text{u}|\text{ss}) \cdot P(\text{m}|\text{su}) \)
D. \( P(\text{opo}) \cdot P(\text{s}|\text{po}) \cdot P(\text{s}|\text{os}) \cdot P(\text{u}|\text{ss}) \cdot P(\text{m}|\text{su}) \)
E. \( P(\text{o}) \cdot P(\text{p}|\text{o}) \cdot P(\text{o}|\text{p}) \cdot P(\text{s}|\text{o}) \cdot P(\text{s}|\text{s}) \cdot P(\text{u}|\text{s}) \cdot P(\text{m}|\text{u}) \)
F. \( P(\text{opo}) \cdot P(\text{pos}) \cdot P(\text{oss}) \cdot P(\text{ssu}) \cdot P(\text{sum}) \)
G. \( P(\text{opo}) \cdot P(\text{ssu}) \cdot P(\text{sum}) \)
H. \( \displaystyle \frac{ P(\text{opo}) \cdot P(\text{pos}) \cdot P(\text{oss}) \cdot P(\text{ssu}) \cdot P(\text{sum}) }{ P(\text{po}) \cdot P(\text{os}) \cdot P(\text{ss}) \cdot P(\text{su}) } \)
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.
Visual cryptography is a nice visual application of \ldots
A. \ldots the Vigen\`ere cipher.
B. \ldots the Vernam cipher.
C. \ldots the Caesar cipher.
D. \ldots ROT13.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If we compute $\gcd(70,51)$ via Euclid’s extended algorithms, we produce a sequence of $(u, v)$ pairs, the last of which satisfies $\gcd(70,51)=70 imes u + 51 imes v$. Check the correct sequence.
A. $(1,0)$, $(0,1)$, $(1,-2)$, $(-2,3)$, $(3,-8)$, $(-8,11)$.
B. $(1,0)$, $(0,1)$, $(1,-2)$, $(-2,5)$, $(5,-8)$, $(-8,11)$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How do beavers change waterways?
A. They warm up the water
B. marshes, bogs, and swamps
C. They soil the water
D. Earth's axis of rotation is tilted
E. several different ways
F. They make structures that split the water
G. Genetic diversity is increased
H. By tearing down dams
Answer: | F | qasc |
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: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
This type of energy resource often results in particulates that are very toxic to breathe:
A. wood
B. coal
C. oil
D. solar
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider an RSA encryption where the public key is published as $(m, e) = (35, 11)$. Which one of the following numbers is a valid decoding exponent?
A. $11$
B. $7$
C. $5$
D. $17$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Matrix Factorizations: The function $f(\mathbf{v}):=g\left(\mathbf{v} \mathbf{v}^{\top}\right)$ is convex over the vectors $\mathbf{v} \in \mathbb{R}^{2}$, when $g: \mathbb{R}^{2 \times 2} \rightarrow \mathbb{R}$ is defined as
A. (a) if we define $g: \mathbb{R}^{2 \times 2} \rightarrow \mathbb{R}$ as $g(\mathbf{X}):=X_{11}$.
B. (b) if we define $g: \mathbb{R}^{2 \times 2} \rightarrow \mathbb{R}$ as $g(\mathbf{X}):=X_{11}+X_{22}$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where does the purple color in quartz come from?
A. aluminum
B. iron
C. dirt
D. bronze
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What substances digest the food in the vacuole of an ingestive protist?
A. hormones
B. carbohydrates
C. enzymes
D. lipids
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can cause serious eye injuries?
A. wearing goggles
B. Brutal temperatures
C. Pesticides
D. heating liquids
E. Males and females
F. wearing a helmet
G. rain
H. breaking apart rocks
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If pollination and fertilization occur, a diploid zygote forms within an ovule, located where
A. testicle
B. bladder
C. ovary
D. uterus
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Bluetooth pairing v2.0 is based on\dots
A. bilinar mappings over elliptic curves.
B. a short authenticated string.
C. an ephemeral secret PIN code.
D. a secure token.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Regarding the Expectation-Maximization algorithm, which one of the following false?
A. Assigning equal weights to workers initially decreases the convergence time
B. The label with the highest probability is assigned as the new label
C. It distinguishes experts from normal workers
D. In E step the labels change, in M step the weights of the workers change
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is one thing that rings can tell you?
A. chemical changes
B. encoded information
C. coded genes
D. age of a woman
E. age of a tree
F. age of a lake
G. it can be seen
H. size of a tree
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What re the only organisms that can decompose biodegradable products?
A. fungi
B. pine
C. fires
D. plants
E. trees
F. viruses
G. fungus
H. spores
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are the two distinct types of cells found in the animal kingdom?
A. bacteria and eukaryotes
B. DNA and Eukaryotes
C. prokaryotes and eukaryotes
D. chromosomes and eukaryotes
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Liverworts are small plants that grow close to what?
A. tree tops
B. ground
C. beaches
D. houses
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a source $S$ with some distribution $P_S$ over the alphabet $\mathcal{A} = \{a, b, c, d, e, f\}$. 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 $D=2$ there exists a uniquely-decodable code with the same lengths of $\Gamma$.
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 cations simply named after?
A. the cell structure
B. the scientist
C. the parent element
D. the body part
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are are segmented invertebrates in phylum annelida called?
A. fungi
B. corals
C. flatworms
D. annelids
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select the \emph{incorrect} statement. Elliptic Curve Diffie-Hellman is
A. based on the difficulty of factoring the polynomial of EC.
B. based on the difficulty of computing the discrete logarithm in EC.
C. used in Bluetooth 2.1.
D. used for epassports.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Coral reefs are a type of what large community and have the highest biodiversity on earth?
A. taxon
B. order
C. phylum
D. biome
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A quartz crystal is a transparent
A. magic producer
B. power source
C. deodorant
D. hexagon
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. Bluetooth 2.0 Pairing is secure when ...
A. the PIN has a large entropy.
B. it is done only once.
C. it runs in a Faraday cage.
D. it is not used.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What takes in food by eating producers or other living things?
A. humans
B. fur seals
C. trees
D. fungi
E. algae
F. animals
G. people
H. plants
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following algorithms is a stream cipher?
Question Options:
1. FOX
2. IDEA
3. RC4
4. AES
A. FOX
B. IDEA
C. RC4
D. AES
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} statement. The Shannon Encryption Model ...
A. requires a black-box encryption model.
B. assumes a known input distribution.
C. assumes the key is independent from the message.
D. requires the correctness property $\Pr[C_K^{-1}(C_K(X))=X]=1$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the rigid layer that is found outside the cell membrane and surrounds the cell?
A. cell wall
B. cell root
C. cell barrier
D. cell shield
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What structure is made from dna and protein molecules coiled together?
A. atoms
B. chromosome
C. enzymes
D. bacterium
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
To which expression is the following for-loop translated? for x <- xs if x > 5; y <- ys yield x + y
A. xs.flatMap(x => ys.map(y => x + y)).withFilter(x => x > 5)
B. xs.withFilter(x => x > 5).map(x => ys.flatMap(y => x + y))
C. xs.withFilter(x => x > 5).flatMap(x => ys.map(y => x + y))
D. xs.map(x => ys.flatMap(y => x + y)).withFilter(x => x > 5)
Answer: | C | 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 is heard when sound waves bounce back from a surface that they can't pass through?
A. loop
B. echo
C. radio
D. ultrasound
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For an item that has not received any ratings, which method can make a prediction?
A. User-based collaborative RS
B. Item-based collaborative RS
C. Content-based RS
D. None of the above
Answer: | C | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
All polar compounds contain what type of bonds?
A. weak
B. strong
C. polar
D. balanced
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What word describes any chemical that affects the body’s structure or function?
A. gift
B. treatment
C. toxin
D. drug
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The ambrosia beetle bores holes in?
A. flowers
B. leaves
C. tree bark
D. dirt
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are compounds with the same number of carbon and hydrogen atoms called?
A. hydrocarbons
B. isomers
C. alcohols
D. monomers
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $f:\R^D
ightarrow\R$ be an $L$-hidden layer multi-layer perceptron (MLP) such that
\[
f(xv)=\sigma_{L+1}ig(\wv^ op\sigma_L(\Wm_L\sigma_{L-1}(\Wm_{L-1}\dots\sigma_1(\Wm_1xv)))ig),
\]
with $\wv\in\R^{M}$, $\Wm_1\in\R^{M imes D}$ and $\Wm_\ell\in\R^{M imes M}$ for $\ell=2,\dots, L$, and $\sigma_i$ for $i=1,\dots,L+1$ is an entry-wise activation function. For any MLP $f$ and a classification threshold $ au$ let $C_{f, au}$ be a binary classifier that outputs YES for a given input $xv$ if $f(xv) \leq au$ and NO otherwise. space{3mm}
Assume $\sigma_{L+1}$ is the element-wise extbf{sigmoid} function and $C_{f, rac{1}{2}}$ is able to obtain a high accuracy on a given binary classification task $T$. Let $g$ be the MLP obtained by multiplying the parameters extbf{in the last layer} of $f$, i.e. $\wv$, by 2. Moreover, let $h$ be the MLP obtained by replacing $\sigma_{L+1}$ with element-wise extbf{ReLU}. Finally, let $q$ be the MLP obtained by doing both of these actions. Which of the following is true?
ReLU(x) = max\{x, 0\} \
Sigmoid(x) = rac{1}{1 + e^{-x}}
A. $C_{g, rac{1}{2}}$ may have an accuracy significantly lower than $C_{f, rac{1}{2}}$ on $T$
B. $C_{h, 0}$ may have an accuracy significantly lower than $C_{f, rac{1}{2}}$ on $T$
C. $C_{q, 0}$ may have an accuracy significantly lower than $C_{f, rac{1}{2}}$ on $T$
D. $C_{g, rac{1}{2}}$, $C_{h, 0}$, and $C_{q, 0}$ have the same accuracy as $C_{f, rac{1}{2}}$ on $T$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $n$ be a positive integer. The Fermat test most likely outputs ``prime'' \dots
A. only when $n$ is prime.
B. only when $n$ is non-prime.
C. when $n$ is prime or when $n$ is not a Carmichael number.
D. when $n$ is prime or when $n$ is a Carmichael number.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does creating paper do?
A. duplicate itself
B. Makes the air dirtier
C. Makes food
D. Cleans the air
E. converting electricity to heat
F. to move people
G. Plant growth is reduced
H. Lengthens tree life
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following sets can you use Cantor’s Diagonalization Argument to prove it is uncountable (multiple answers) ?
A. The set of decimal representations of negative real numbers .
B. Real numbers not containing 7 in their decimal representation.
C. The set binary strings with finite length (i.e. 01, 10, 010, ...)
D. Integers between 0 and 1
E. Real numbers between 1 and 2.
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 worst case complexity of listing files in a directory? The file system implements directories as hash-tables.
A. $O(1)$
B. $O(number of direntries in the directory)$
C. $O(size of the file system)$
D. $O(number of direntries in the file system)$
E. $O(log(number of direntries in the directory))$
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does water turn into when heat is added?
A. Rain
B. energy
C. potash
D. h2o
E. Vapor
F. an ion
G. Ice
H. Energy.
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can be combined with an amine to form an amide?
A. ketones
B. carbon dioxide
C. acetic acid
D. carboxylic acid
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A boy that has two legs and two arms has parents that have
A. nearly an arm and a leg
B. the same number limbs
C. their left arms only
D. one right leg each
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A person is lost in a dense forest, and needs to find their home. They know their home is to the south, and they are headed north. They can find home by using a
A. northern-directing device
B. northern light reader
C. northeastern winds
D. north central credit
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what have a complete digestive system and closed circulatory system?
A. protist
B. sharks
C. cows
D. lizards
E. mammals
F. viruses
G. crocodiles
H. bacteria
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What tool would be most helpful in aiding indoor plants in photosynthesis
A. music
B. cover
C. Fertilizer
D. a large window
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What could the last dodo birds not produce?
A. coded genes
B. offspring
C. sounds
D. Bodily water
E. feces
F. sperm
G. feathers
H. heat energy
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
moist means high in what?
A. rock
B. solids
C. watery
D. heat
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Mark any of the following functions that have unique maximizers:
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What types of things can microscopes see?
A. fossils
B. small
C. big
D. fungus
E. giant
F. ovaries
G. huge
H. images
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What must two nuclei do for fusion to occur?
A. repel each other
B. melt
C. explode
D. collide
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An example of biofuel could be
A. metal
B. the sun
C. leaves
D. the wind
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What influence does the horizontal motion of a projectile have on free fall?
A. increase acceleration
B. vertical
C. decrease acceleration
D. none
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do willow trees produce to kill bacteria?
A. cytoplasmic acid
B. chlorophyll
C. enzymes
D. salicylic acid
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The type statement in RDF would be expressed in the relational data model by a table
A. with one attribute
B. with two attributes
C. with three attributes
D. cannot be expressed in the relational data model
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 |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what is exerted on a kicked object?
A. adding heat
B. soccer ball
C. shorts
D. wooden plank
E. kinetic energy
F. Electrical energy
G. direct damage to the lungs
H. measurement of newtons
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Cancer cells perform what more often than regular cells?
A. death
B. PDAs
C. grow
D. recovery
E. disease
F. kill them
G. mitosis
H. radiation
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The Kerckhoffs principle states that the security of a cryptosystem should rely on the secrecy of\dots
A. the key only
B. the algorithm only
C. the channel only
D. the participants' identity only
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $\xv, \wv, \deltav \in \R^d$, $y \in \{-1, 1\}$, and $ arepsilon \in \R_{>0}$ be an arbitrary positive value. Which of the following is NOT true in general:
A. $rgmax_{\|\deltav\|_2 \leq arepsilon} \log_2(1 + \exp(-y \wv^ op (\xv + \deltav))) = rgmax_{\|\deltav\|_2 \leq arepsilon} \exp(-y \wv^ op (\xv + \deltav ))$
B. $rgmax_{\|\deltav\|_2 \leq arepsilon} \log_2(1 + \exp(-y \wv^ op (\xv + \deltav))) = rgmin_{\|\deltav\|_2 \leq arepsilon} y \wv^ op (\xv + \deltav )$
C. $rgmax_{\|\deltav\|_2 \leq arepsilon} \log_2(1 + \exp(-y \wv^ op (\xv + \deltav))) = rgmax_{\|\deltav\|_2 \leq arepsilon} 1 - anh(y \wv^ op (\xv + \deltav))$ \ where $ anh(z) = rac{e^z - e^{-z}}{e^z + e^{-z}}$
D. $rgmax_{\|\deltav\|_2 \leq arepsilon} \log_2(1 + \exp(-y \wv^ op (\xv + \deltav))) = rgmax_{\|\deltav\|_2 \leq arepsilon} \mathbf{1}_{y \wv^ op (\xv + \deltav) \leq 0}$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What shape are the things that develop from spores?
A. fungi
B. a prism
C. small
D. Heart
E. complex
F. bushes
G. ferns
H. gills
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are cells the basic units of the structure and function of?
A. humans
B. Most plants
C. animals
D. Cell service
E. Organisms
F. mammals
G. Lego cells
H. Buildings
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What kind of hormones are derived from cholesterol?
A. steroid
B. germs
C. Antibiotic
D. synthesis
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Most of the chemical reactions in the body are facilitated by what?
A. proteins
B. carbohydrates
C. enzymes
D. vitamins
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The products of photosynthesis are glucose and what else?
A. carbon
B. hydrogen
C. oxygen
D. nitrogen
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
All three types of convergent plate boundaries produce what destructive phenomenon?
A. tornado
B. earthquake
C. volcano
D. storm
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Polar bears live in cold what?
A. tropics
B. planets
C. locales
D. homes
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let P(x) is “x is an elephant” and F(x) is “x flies” and the domain consists of all animals. Translate the following statement into English: ∃!x(P(x) ∧ F(x))
A. There exists only one elephant that can fly
B. There is an animal that flies if it’s an elephant
C. All elephants fly
D. Some elephants can flyv
E. None of the other options
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 main organ required for respiration in mammals?
A. the brain
B. the heart
C. the diaphragm
D. the lungs
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{incorrect} assertion. In a multiplicative cyclic group $G$ of order $m > 1$ with neutral element $e_G$ \ldots
A. $\lambda = m$, where $\lambda$ is the exponent of $G$.
B. the order of every element $x \in G$ is $m$.
C. there exists $g \in G$ that generates the whole group.
D. for any $x \in G$, we have that $x^m = e_{G}$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what do cycles of freezing and thawing water cause?
A. Metling snow
B. water vapor
C. the looseness of soil
D. mechanical weathering
E. freezing oxygen
F. fissures of hot, acidic water
G. looseness of dirt or compost
H. explosions
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are many chemical messengers that control body functions?
A. gasses
B. photons
C. acetic acid
D. flames
E. heat or cold
F. chemical waste
G. proteins
H. sweating
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let \( f : A
ightarrow B \) be a function from A to B such that \(f (a) = |a| \).
f is a bijection if:
A. \( A= [0, 1] \) and \(B= [-1, 0] \)
B. \( A= [-1, 0] \) and \(B= [-1, 0] \)
C. \( A= [-1, 0] \) and \(B= [0, 1] \)
D. \( A= [-1, 1] \) and \(B= [-1, 1] \)
Answer: | C | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Organisms cluster around hot water inside cracks where?
A. loose soil
B. ocean floor
C. food and shelter
D. tectonic plates
E. the ground
F. allow growth
G. Absorb light
H. survive
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does uneven heating of earth's crust cause?
A. force
B. harm
C. Rain
D. Snowstorm
E. cracks
F. Wind
G. Injury
H. Hurricanes
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Swords are drawn to
A. the devil
B. magnets
C. people
D. trees
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where do ectotherms get most of their heat?
A. external sources
B. internally
C. food
D. metabolism
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What spreads sti during sexual contact?
A. pathogens
B. viruses
C. parasites
D. blood
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Oil platforms originating from a number of oceanic placements can be related to an unintentional release of what?
A. oil pumps
B. nuclear fission
C. biological created fuel
D. solar energy
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can you see yourself in?
A. a tar pit
B. a deep cave
C. clear mountain lake
D. an abyss
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does a thermometer measure?
A. temperature
B. size
C. oxygen
D. precipitation
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do structures of the human eye collect and focus?
A. electricity
B. sugars
C. light
D. air
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What freezes into ice?
A. liquid
B. gas
C. lipids
D. coal
E. water
F. rivers
G. hair
H. lead
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are the complexities for the single-target dictionary attacks, when there are $N$ keys?
A. Preprocessing: $N$, Memory: $N$, Time: 1
B. Preprocessing: $N$, Memory: $1$, Time: $N$
C. Preprocessing: $1$, Memory: $N$, Time: $N$
D. Preprocessing: $0$, Memory: $1$, Time: $\sqrt{N}$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is thought to be the oldest eukaryotes?
A. arthropods
B. protists
C. amoebas
D. prokaryotes
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The deepest region of the adrenal cortex is the zona reticularis, which produces small amounts of a class of steroid sex hormones called what?
A. androgens
B. testosterone
C. dioxins
D. estrogen
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
a typical rabbit diet includes
A. crickets
B. mice
C. fish
D. weeds
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $n \geq 2$ be a positive integer, and $M$ a uniformly distributed binary message of length $2n$. Let $P_K(M)$ denote the one-time pad encryption of $M$ with key $K$. Let $K_1$ be a uniformly distributed binary key length $n$. Let $K_2$ be the complement of $K_1$. Let $K_3$ be the reverse of $K_1$. Let $K_i||K_j$ denote the concatenation of the two keys. True or false: Encryption with the key $K_6 = ( K_1|| K_3 ) $, $P_{K_6}(M)$ provides perfect secrecy.
A. False
B. True
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A small scale version of what type of map displays individual rock units?
A. geographic map
B. geologic map
C. seismic map
D. polar map
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A \textit{Cryptographic Certificate} is the $\ldots$
A. signature of the user who certifies that a public key belongs to the authority.
B. signature of the user who certifies that a public key belongs to the user.
C. signature of the authority who certifies that a public key belongs to a specific user.
D. diploma which certifies that one has taken the Cryptography and Security Course.
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.
What are one form of changing from a gas into a liquid by reducing heat energy
A. pressure cooking
B. sweating
C. tire pressure
D. cycles
E. Clouds
F. scuba diving
G. boiling
H. rain
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
As the use of alt bio fuels increases, the use of what will decrease?
A. wind power
B. solar heat
C. hydro-electric power
D. non regenerating fuels
Answer: | D | openbookqa |
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