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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If the first column of matrix L is (0,1,1,1) and all other entries are 0 then the authority values
A. (0, 1, 1, 1)
B. (0, 1/sqrt(3), 1/sqrt(3), 1/sqrt(3))
C. (1, 1/sqrt(3), 1/sqrt(3), 1/sqrt(3))
D. (1, 0, 0, 0)
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The brain develops from this early tube structure and gives rise to specific regions of the adult brain. as the neural tube grows and differentiates, it enlarges into three vesicles that correspond to the forebrain, midbrain, and this?
A. rearbrain
B. hindbrain
C. anteriorbrain
D. astrobrain
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are the most diverse plants on earth?
A. grasses
B. gymnosperms
C. conifers
D. angiosperms
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Replacing a natural resource can be
A. refilling a lake that evaporated
B. planting a flower in a garden
C. growing a bush in a yard
D. planting a berry patch
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What word describes a change in behavior that occurs as a result of experience?
A. heredity
B. learning
C. taking
D. applying
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If an object is below an objects melting temperature then it is what?
A. solid
B. liquid
C. volatile
D. gas
E. eroded
F. cold
G. dead
H. Weight
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A storm ravages a town for a week straight, complete with deluges of rain. If someone in that town needs a source of water, it is
A. everywhere
B. missing
C. in short supply
D. rare
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{false} assertion. In Differential Cryptanalysis, the corresponding differential circuit of \ldots
A. \ldots a linear circuit ($Y=M\times X$) is $\Delta X=a\Rightarrow \Delta Y=^tM\times a$
B. \ldots a duplicate gate ($X=Y=Z$) is $\Delta X=a\Rightarrow \Delta Y = \Delta Z = a$
C. \ldots a XOR gate ($X\oplus Y = Z$) is $(\Delta X=a,\ \Delta Y=b)\Rightarrow \Delta Z = a\oplus b$
D. \ldots a XOR to constant gate ($Y=X\oplus K$) is $\Delta X = a \Rightarrow \Delta Y = a$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is a common name for the descriptive hypothesis that help to understand patterns of descent?
A. genetic order
B. evolutionary trees
C. gene mapping
D. genetic trees
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the logistic regression loss $L: \R^d o \R$ for a binary classification task with data $\left( \xv_i, y_i
ight) \in \R^d imes \{0, 1\}$ for $i \in \left\{ 1, \ldots N
ight\}$:
egin{equation*}
L(\wv) = rac{1}{N} \sum_{i = 1}^N igg(\log\left(1 + e^{\xv_i^ op\wv}
ight) - y_i\xv_i^ op\wv igg).
\end{equation*}
Which of the following is a gradient of the loss $L$?
A. abla L(\wv) = rac{1}{N} \sum_{i = 1}^N \; \xv_i igg( y_i - rac{e^{\xv_i^ op\wv}}{1 + e^{\xv_i^ op\wv}}igg) $
B. abla L(\wv) = rac{1}{N} \sum_{i = 1}^N \; \xv_i igg( rac{1}{1 + e^{-\xv_i^ op\wv}} - y_iigg) $
C. abla L(\wv) = rac{1}{N} \sum_{i = 1}^N \; igg( rac{e^{\xv_i^ op\wv}}{1 + e^{\xv_i^ op\wv}} - y_i\xv_i igg)$
D. abla L(\wv) = rac{1}{N} \sum_{i = 1}^N \; igg( \xv_i rac{e^{\xv_i^ op\wv}}{1 + e^{\xv_i^ op\wv}} - y_i\xv_i^ op\wvigg)$
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 average complexity of exhaustive search when the key is distributed uniformly at random over $N$ keys?
A. $\log N$
B. $2^N$
C. $\frac{N+1}{2}$
D. $\sqrt{N}$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is used to date older fossils?
A. radioactive isotopes
B. electron microscopes
C. search engines
D. litmus testing
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
During a vigorous workout which will need to increase?
A. Balance
B. Pulse
C. Perspiration
D. Strength
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The grand canyon was formed by the colorado river doing what over a long period of time?
A. vaporizing
B. evaporating
C. freezing
D. circulating
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Confidentiality means that:
A. the message can be read by anyone.
B. information should not leak to any unexpected party.
C. the message should make clear who the author is.
D. the information must be protected against any malicious modification.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Darwin coined what term to refer to an organism’s relative ability to survive and produce fertile offspring?
A. momentum
B. fitness
C. metabolism
D. strength
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Assume we have $N$ training samples $(\xx_1, y_1), \dots, (\xx_N, y_N)$ where for each sample $i \in \{1, \dots, N\}$ we have that $\xx_i \in \R^d$ and $y_i \in \{-1, 1\}$. We want to classify the dataset using the exponential loss $L(\ww) = rac{1}{N} \sum_{i=1}^N \exp (-y_i \xx_i^ op \ww )$ for $\ww \in \R^d$.
Which of the following statements is extbf{true}:
A. This corresponds to doing logistic regression as seen in class.
B. The loss function $L$ is non-convex in $\ww$.
C. If I find a vector $\ww^\star$ such that $L(\ww^\star) < 1 / N$, then $\ww^*$ linearly separates my dataset.
D. There exists a vector $\ww^\star$ such that $L(\ww^\star) = 0$.
E. "None of the statements are true.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are broken down during digestion to provide the amino acids needed for protein synthesis?
A. dietary proteins
B. carbohydrates
C. metabolytes
D. sugars
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In prokaryotes, what are the regions called that repressors bind to?
A. enablers
B. elements
C. operators
D. consumers
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What part of the sweet potato store sugar from photosynthesis as starch?
A. shrubs
B. plants
C. skin
D. roots
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Because of the wave character of matter, the idea of well-defined orbits gives way to a model in which there is a cloud of what?
A. chaos
B. probability
C. mutation
D. particles
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following statement(s) is/are true about different types of
coverage for coverage-guided fuzzing?
A. If you cover all edges, you also cover all blocks
B. Full line/statement coverage means that every possible
control flow through the target has been covered
C. Full data flow coverage is easier to obtain than full edge coverage
D. Full edge coverage is equivalent to full path coverage
because every possible basic block transition has been covered
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{false} assertion. The index of coincidence
A. is a probability.
B. can help breaking Vigen\`ere cipher.
C. is different for a random string than for some text in English.
D. is the best known attack against the Vernam cipher.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
[Gradient for convolutional neural nets] Let $f(x, y, z, u, v, w)=3 x y z u v w+x^{2} y^{2} w^{2}-7 x z^{5}+3 y v w^{4}$. What is $$ \left.\left[\frac{\partial f}{\partial x}+\frac{\partial f}{\partial y}+\frac{\partial f}{\partial z}+\frac{\partial f}{\partial u}+\frac{\partial f}{\partial v}+\frac{\partial f}{\partial w}\right]\right|_{x=y=z=u=v=w=1} ? $$
A. (a) $-4$
B. (b) $-3$
C. (c) $-2$
D. (d) $-1$
E. (e) $ 0$
F. (f) $ 1$
G. (g) $ 2$
H. (h) $ 3$
I. (i) $ 4$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are the three major types of blood vessels?
A. sculptures , veins , capillaries
B. arteries, veins, capillaries
C. arteries , pups , capillaries
D. arteries, capilaries, tubes
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the output of the following block of Python code? (one answer) \\
\verb|my_string = `computational'| \\
\verb|print(my_string[1])|\\
\verb|print(my_string[3:5])|
\vspace{0.25cm}
A. c\\mpu
B. c\\mp
C. o\\put
D. o\\pu
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Concentrations of what have increased over the last decade dramatically?
A. oxygen
B. harmful substances
C. light
D. greenhouse gases in the air
E. genetic diversity
F. Greenhouse gasses
G. basic building blocks of life
H. ozone
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Milk is usually subjected to what process, where high temperatures denature the proteins in bacteria so they cannot carry out functions needed to grow and multiply?
A. Cleaning
B. vaporization
C. pasteurization
D. crystallization
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Assume we have $N$ training samples $(\xx_1, y_1), \dots, (\xx_N, y_N)$ where for each sample $i \in \{1, \dots, N\}$ we have that $\xx_i \in \R^d$ and $y_i \in \R$. For $\lambda \geq 0$, we consider the following loss:
L_{\lambda}(\ww) = rac{1}{N} \sum_{i = 1}^N (y_i - \xx_i^ op \ww)^2 + \lambda \Vert \ww \Vert_2, and let $C_\lambda = \min_{\ww \in \R^d} L_{\lambda}(\ww)$ denote the optimal loss value.
Which of the following statements is extbf{true}:
A. For $\lambda = 0$, the loss $L_{0}$ is convex and has a unique minimizer.
B. $C_\lambda$ is a non-increasing function of $\lambda$.
C. $C_\lambda$ is a non-decreasing function of $\lambda$.
D. None of the statements are true.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{incorrect} assumption. A language $L$ is in NP if\dots
A. $x \in L$ can be decided in polynomial time.
B. $x \in L$ can be decided in polynomial time given a witness $w$.
C. $L$ is NP-hard.
D. $L$ (Turing-)reduces to a language $L_2$ with $L_2$ in $P$, i.e., if there is a polynomial deterministic Turing machine which recognizes $L$ when plugged to an oracle recognizing $L_2$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
the color of an object can be discovered by
A. seeing it
B. touching it
C. sniffing it
D. licking it
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is one thing that can not happen to energy?
A. it cannot increase
B. it cannot decrease
C. it cannot stay the same
D. it can not be destroyed
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Many european and asiatic elms are less susceptible to dutch elm disease than which elms?
A. rican
B. african
C. caribbean
D. american
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of AddressSanitizer (ASan), MemorySanitizer (MemSan),
UndefinedBehaviorSanitizer (UBSan) or ThreadSanitizer (TSan) can detect
bugs (if any) in the following code snippet?
\begin{lstlisting}[language=C,style=c]
int sum_up_to(int x) {}
// Return sum of integers up to x
int result = x;
for (int i = x; i >= 0; i--) {
if (INT_MAX - i <= result) {
break;
}
result += i;
}
return result;
}
\end{lstlisting}
A. There is at least one bug in the snippet, but none of the
mentioned sanitizers can detect it.
B. ASan
C. MemSan
D. UBSan
E. TSan
F. There are no bugs in the snippet.
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 color of mercury(ii) oxide?
A. copper
B. blue
C. green
D. red
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For a $n$-bit block cipher with $k$-bit key, given a plaintext-ciphertext pair, a key exhaustive search has an average number of trials of \dots
A. $2^n$
B. $2^k$
C. $\frac{2^n+1}{2}$
D. $\frac{2^k+1}{2}$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are numerous in plant cells?
A. soil
B. bacteria
C. flowers
D. glucose
E. calories
F. hydrocarbons
G. Chemical energy
H. eukyarotes
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does the substance that male dogs have in urine to mark their territory do?
A. sweating
B. attract females
C. Release energy
D. repels females
E. attract enemies
F. attract males
G. adding heat
H. dangerous
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select which statements are true regarding SCFGs.A penalty will be applied for any incorrect answers.
A. The sum over all the probabilities of the rules of a SCFG that share the same left hand side should sum up to 1.
B. The probabilities of lexical rules of a SCFG correspond to emission probabilities of HMMs for PoS tagging.
C. The probabilities of all parse trees in a SCFG sums up to 1.
D. A stochastic grammar is consistent if the sum of all parse trees is equal to 1.
E. Probabilities of parse trees can be used to compare parse trees from any two different SCFGs.
F. The inside-outside algorithm is used to derive the stochastic coefficients of a SCFG in a supervised manner.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What was formed through erosion over long periods of time?
A. Columbia River Gorge
B. a hydraulic system
C. swamp vegetation
D. Mississippi River delta
E. the Moon
F. Calcium carbonate
G. the Himalayan mountains
H. permineralization
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What decreases stamina?
A. cleaning pipes
B. liver cancer
C. viruses
D. smoking meat
E. smoking pipes
F. smoking volcanoes
G. Dehydration
H. harmful substances
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If all members of a species cannot produce offspring then that species will likely become what?
A. thriving
B. populous
C. abundant
D. haploid
E. threatened
F. Echinoderm.
G. uncontrolled
H. gone forever
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Coal is used to produce the movement of electrons by what in coal-fire power stations?
A. cooling
B. energy
C. rotating
D. burning
E. heat
F. engines
G. mining
H. sun's heat
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The various sensory organs are part of what organ system?
A. respiratory
B. nervous
C. digestive
D. lymphatic
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Applying SVD to a term-document matrix M. Each concept is represented in K
A. as a singular value
B. as a linear combination of terms of the vocabulary
C. as a linear combination of documents in the document collection
D. as a least squares approximation of the matrix M
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A Carmichael number $n$ ...
A. is a prime number.
B. will always pass Fermat's test for any $0 < b < n$.
C. verifies that $\forall b$, $\mathsf{gcd}(b,n)=1$ implies that $b^{n-1} \equiv 1 \ \pmod n $.
D. will be considered as a prime by the Miller-Rabin algorithm.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are alloys that are mostly composed of mercury known as?
A. halogens
B. amalgams
C. compounds
D. fillings
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If we pick independent random numbers in $\{1, 2, \dots, N\}$ with uniform distribution, $\theta \sqrt{N}$ times, we get at least one number twice with probability\dots
A. $e^{\theta ^2}$
B. $1-e^{\theta ^2}$
C. $e^{-\theta ^2 /2}$
D. $1-e^{-\theta ^2 /2}$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Cutting down on the use of chemical fertilizers and preserving wetlands are ways to prevent what "unlivable" regions in bodies of water?
A. hostile zones
B. dead zones
C. fresh zones
D. inhabitable zones
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For each of the sub-questions of this question (next page), tick/check the corresponding box if the presented sentence is correct
at the corresponding level (for a human). There will be a penalty for wrong boxes ticked/checked.The duke were also presented with a book
commemorated his visit’s mother.
A. lexical
B. syntactic
C. semantic
D. pragmatic
E. none of the above is correct
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is formed when atoms of different elements combine in a chemical reaction?
A. compounds
B. dust
C. crystals
D. toxins
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
After dark clouds roll in and the weather changes, clouds may
A. wilt
B. precipitate
C. burn
D. zap
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The rings of what planet can be easily seen from earth?
A. saturn
B. Neptune
C. jupiter
D. Venus
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Sediment is dropped at the mouth of a river by water when what happens?
A. Destroy bridges
B. erosion
C. global warming
D. rivers slow
E. flooding
F. contamination
G. massive damage
H. storms
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What make us sick when they become human parasites?
A. larvae
B. protozoa
C. detritus
D. viruses
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the ability to cause changes in matter?
A. force
B. hydrogen
C. pressure
D. energy
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
To prevent electric shock
A. masonry will come in handy
B. use all copper wire
C. aluminum should be useful
D. use all silver fillings
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are lipids' function in relation to nerves?
A. reproduction
B. protection
C. conservation
D. transportation
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In which area does conduction mainly happen?
A. thermosphere
B. higher atmosphere
C. lower atmosphere
D. mesosphere
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what are males more than females?
A. monotremes
B. insects
C. some mammals
D. haploid
E. platypus
F. bullfrogs
G. tunicates
H. energetic
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the complexity of prime number generation for a prime of length $\ell$?
A. $\mathbf{O}\left(\frac{1}{\ell^4}\right)$
B. $\mathbf{O}(\ell^4)$
C. $\Theta\left(\frac{1}{\ell^4}\right)$
D. $\Theta(\ell^4)$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Recall that we say that a kernel $K: \R imes \R
ightarrow \R $ is
valid if there exists $k \in \mathbb{N}$ and $\Phi: \R
ightarrow \R^k$
such that for all $(x, x') \in \R imes \R $, $K(x, x') = \Phi(x)^ op \Phi(x')$. The kernel $K(x, x') = \cos(x + x')$ is a valid kernel.
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.
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.
Bats hunt through echolocation because
A. bats can only hear echoes
B. echoes are a form of sound
C. their chirps are sent back after bouncing
D. they enjoy listening to echoes
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
At night stars appear to move relative to the
A. moon
B. skyline
C. treetops
D. ocean
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $S_{0},S_{1},S_{2},\dots$ be an infinite sequence produced by a source $\mathcal{S}$. All $S_{n}$ take values in $\{0,1\}$, and $S_{n+1}$ depends only on $S_n$, that is, $p_{S_{n+1} | S_0, \dots, S_n}(s_{n+1} | s_0, \dots, s_n) = p_{S_{n+1} | S_n}(s_{n+1} | s_n)$. The probability $p_{S_{n+1}|S_{n}}$ is schematically represented in the graph below: egin{center} ikzset{ state/.style = { draw, circle, minimum size = 20pt, font = ontsize{12}{12}\selectfont, } } egin{tikzpicture}[> = latex]
ode[state] (a) {$0$};
ode[state, right of = a] (b) {$1$}; \path[->] (a) edge[bend left, above] node {$1/2$} (b); \path[->] (a) edge[loop left] node {$ rac{1}{2}$} (); \path[->] (b) edge[bend left, below] node {$1/4$} (a); \path[->] (b) edge[loop right] node {$ rac{3}{4}$} (); \end{tikzpicture} \end{center} For instance, the edge from $0$ to $1$ means that $p_{S_{n+1}|S_{n}}(1|0) = rac{1}{2}$. We also have that $p_{S_0}(0)=1$. True or false: For every $n\geq 0$, $H(S_n|S_0,\ldots,S_{n-1})
eq H(S_n|S_{n-1}) $.
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.
Let \(A = \{a, b, c, d, ..., z\}\) be the set of lower cased English letters.
Let \(S = \{a, b, ab, cd, ae, xy, ord, ...\}\) be the set of all strings using \(A\) as an alphabet.
Given \(s\in S\), \(N(s)\) is the number of vowels in \(s\).
For example,\(N(algrzqi) = 2\), \(N(bebebe) = 3\).
We say \((s, t)\) belongs to relation \(R\) if \(N(s) \leq N(t)\).
Which of the following statements are true (more than one answer can be correct) ?
A. \(R\) is reflexive.
B. \(R\) is transitive.
C. \(R\) is symmetric.
D. \(R\) is not an equivalence relation.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do mutations do to DNA?
A. It expands
B. Damages them
C. negative
D. Moisturize it.
E. Help it.
F. Destroy it.
G. It decreases
H. Change it.
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider an array $A[1,\ldots, n]$ consisting of the $n$ distinct numbers $1,2, \ldots, n$. We are further guaranteed that $A$ is almost sorted in the following sense: $A[i] \neq i$ for at most $\sqrt{n}$ values of $i$. What are tight asymptotic worst-case running times for Insertion Sort and Merge Sort on such instances?
A. It is $\Theta(n + \sqrt{n}\log n)$ for Merge Sort and $\Theta(n)$ for Insertion Sort.
B. It is $\Theta(n \log n)$ for Merge Sort and $\Theta(n^2)$ for Insertion Sort.
C. It is $\Theta(n + \sqrt{n}\log n)$ for Merge Sort and $\Theta(n^{3/2})$ for Insertion Sort.
D. It is $\Theta(n + \sqrt{n}\log n)$ for Merge Sort and $\Theta(n^2)$ for Insertion Sort.
E. It is $\Theta(n \log n)$ for Merge Sort and $\Theta(n)$ for Insertion Sort.
F. It is $\Theta(n \log n)$ for Merge Sort and $\Theta(n^{3/2})$ for Insertion Sort.
Answer: | F | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
if a person wanted some mineral graphite, where might they likely find some?
A. in the potato bread for breakfast
B. in a pencil for drawing class
C. in the vanilla ice cream
D. in the flower of a plant
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The joint that lies between the radius and the ulna is what kind of joint?
A. pivot joint
B. socket joint
C. shaft joint
D. hinge joint
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In a strong tempest, a large boulder may be
A. broken
B. smoothed
C. sharpened
D. stained
Answer: | B | openbookqa |
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.
A source of heat might be
A. rubbing noses
B. swimming in Antartica
C. touching ice
D. sitting in freezers
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When different types of tissues work together to perform a unique function, what do they form?
A. Brian
B. organ
C. organs
D. produce
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In a Ranked Retrieval result, the result at position k is non-relevant and at k+1 is relevant. Which of the following is always true (P@k and R@k are the precision and recall of the result set consisting of the k top ranked documents)?
Question Options:
1. P@k-1 > P@k+1
2. P@k-1 = P@k+1
3. R@k-1 < R@k+
4. R@k-1 = R@k+1
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.
Tick the \textbf{non-commutative} operation.
A. $+$ (addition) over $\mathbb{Z}$
B. $\oplus$ (exclusive-or)
C. $-$ (subtraction) over $\mathbb{Z}$
D. $\times$ (multiplication) over $\mathbb{Z}$
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 muscle is found in the walls of other internal organs such as the stomach?
A. Fiber Muscle
B. Tube Muscle
C. inorganic muscle
D. smooth muscle
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Producing sperm and secreting testosterone are the main functions of what system?
A. endocrine system
B. female reproductive system
C. male reproductive system
D. pollination
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How do fungi get nutrition?
A. Exfoliation
B. agriculture
C. heat produced
D. Cooking
E. absorb it
F. Energy
G. Evaporation
H. glucose
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The earliest of the five senses to develop gives you the ability to do what?
A. focusing a lens
B. Relieve pain
C. survive
D. interact
E. reflecting light
F. movement
G. An object is seen
H. detect texture
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Why would a species camouflage as a dangerous animal?
A. to mate
B. to avoid crocodiles
C. to catch prey
D. to build nests
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select the \emph{incorrect} statement. Bluetooth is
A. a short-range wireless technology.
B. designed both for data and voice transmission.
C. a standard for RFID tags.
D. able to transmit 1Mbit/sec in 10m distance.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Why should people conserve gas when fueling their cars?
A. because it can only be used once
B. because it is hard to find
C. because the more it is used the more it costs
D. because it can mess up their engines
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what does rock erosion cause them to do?
A. turn gaseous
B. secrete h2o
C. breakdown
D. become hydrogen
E. they bend
F. dangerous
G. migrate
H. watershred
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
if a person gets a shock from a faulty system, which of these surfaces were likely touched?
A. a paper lined surface
B. a steel lined one
C. a wood lined one
D. a cotton line surface
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Most metals exist in which form at room temperature?
A. gases
B. oils
C. liquids
D. solids
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $K = (K_1, K_2,..., K_n)$, where each $K_i$ is $0$ or $1$ with probability $1/2$. Let $K'=(K'_1, K'_2, ..., K'_n)$ such that, for each $i$, $K'_i \in {0, 1}$ and $K'_{i} = \sum_{j = 1}^i K_j ext{mod} 8.$ True or false: Using $K'$ as the key one can achieve perfect secrecy if the message is $n$ bits.
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.
Within the petals are two whorls of fertile floral organs that produce what?
A. leaves
B. fibers
C. spores
D. toxins
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are simple units which are neither prokaryotes nor eukaryotes?
A. ferns
B. viruses
C. barnacles
D. plants
E. bushes
F. fungi
G. insects
H. animals
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Transport vesicles move what type of molecules from the rough endoplasmic reticulum to the golgi apparatus?
A. proteins
B. acids
C. hormones
D. lipids
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Rainbows are formed via
A. sunlight
B. streams
C. photons
D. water vapor
E. water cycles
F. water tables
G. just light
H. condensation
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of waves start when a source of energy causes a disturbance in the medium?
A. mechanical waves
B. fluid waves
C. magnetic waves
D. mechanical currents
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
(Stochastic Gradient Descent) One iteration of standard SGD for SVM, logistic regression and ridge regression costs roughly $\mathcal{O}(D)$, where $D$ is the dimension of a data point.
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 ability of a water spider to walk across a body of water is an example of what?
A. surface tension
B. high density
C. magnetism
D. low gravity
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes erosion?
A. paper
B. gales
C. wood
D. money
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Each nitrogenous base has one or two rings that include which atoms?
A. hydrogen
B. oxygen
C. nitrogen
D. carbon
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Bacteria causes what to be harmed?
A. plants
B. electronics
C. fossils
D. humans
E. animals
F. viruses
G. food
H. the skin
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What conducts nerve-like electrical signals that help integrate whole-plant function?
A. the ploem
B. the spicule
C. the stem
D. the stamen
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What crust is thinner and denser than continental crust?
A. oceanic
B. coastal
C. land
D. asteroid
Answer: | A | sciq |
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