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Recent activity by GATE_aspirant_2021
5
answers
1
GATE CSE 2006 | Question: 10
In a binary max heap containing $n$ numbers, the smallest element can be found in time $O(n)$ $O(\log n)$ $O(\log \log n)$ $O(1)$
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DS
Jun 27, 2021
20.7k
views
gatecse-2006
data-structures
binary-heap
easy
2
answers
2
TIFR CSE 2015 | Part A | Question: 12
Consider two independent and identically distributed random variables $X$ and $Y$ uniformly distributed in $[0, 1]$. For $\alpha \in \left[0, 1\right]$, the probability that $\alpha$ max $(X, Y) < XY$ is $1/ (2\alpha)$ exp $(1 - \alpha)$ $1 - \alpha$ $(1 - \alpha)^{2}$ $1 - \alpha^{2}$
commented
in
Probability
Oct 7, 2020
1.9k
views
tifr2015
probability
random-variable
uniform-distribution
4
answers
3
GATE CSE 1989 | Question: 14a
Symbolize the expression "Every mother loves her children" in predicate logic.
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in
Mathematical Logic
Sep 2, 2020
5.8k
views
gate1989
descriptive
first-order-logic
mathematical-logic
5
answers
4
GATE CSE 1990 | Question: 3-i
Choose the correct alternatives (More than one may be correct). Two NAND gates having open collector outputs are tied together as shown in below figure. The logic function $Y,$ implemented by the circuit is, $Y=ABC + DE$ $Y=\overline{ABC + DE}$ $Y=ABC.DE$ $Y=\overline{ABC.DE}$
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in
Digital Logic
Aug 13, 2020
7.3k
views
gate1990
normal
digital-logic
circuit-output
5
answers
5
GATE1992-04-b
A priority encoder accepts three input signals $\text{(A, B and C)}$ and produces a two-bit output $(X_1, X_0 )$ corresponding to the highest priority active input signal. Assume $A$ has the highest priority followed by $B$ and $C$ has the lowest ... none of the inputs are active the output should be $00$, design the priority encoder using $4:1$ multiplexers as the main components.
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in
Digital Logic
Jul 26, 2020
6.7k
views
gate1992
digital-logic
combinational-circuit
multiplexer
descriptive
2
answers
6
GATE2014 AG: GA-10
$10$% of the population in a town is $\text{HIV}\large ^{+}$. A new diagnostic kit for $\text{HIV}$ detection is available; this kit correctly identifies $\text{HIV}\large ^{+}$ individuals $95$ ... time. A particular patient is tested using this kit and is found to be positive. The probability that the individual is actually positive is ______.
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in
Quantitative Aptitude
Jul 11, 2020
6.8k
views
gate2014-ag
quantitative-aptitude
probability
conditional-probability
normal
numerical-answers
9
answers
7
GATE IT 2008 | Question: 21
Which of the following first order formulae is logically valid? Here $\alpha(x)$ is a first order formula with $x$ as a free variable, and $\beta$ ... $[(\forall x, \alpha(x)) \rightarrow \beta] \rightarrow [\forall x, \alpha(x) \rightarrow \beta]$
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in
Mathematical Logic
Jun 22, 2020
15.1k
views
gateit-2008
first-order-logic
normal
2
answers
8
GATE2016 EC-1: GA-7
In a world filled with uncertainty, he was glad to have many good friends. He had always assisted them in times of need and was confident that they would reciprocate. However, the events of the last week proved him wrong. Which of the following inference(s) is/are logically valid ... need. His friends did not help him last week. (i) and (ii) (iii) and (iv) (iii) only (iv) only
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Verbal Aptitude
Jun 1, 2020
1.7k
views
gate2016-ec-1
passage-reading
verbal-reasoning
1
answer
9
TIFR CSE 2018 | Part B | Question: 10
For two $n$ bit strings $x,y \in\{0,1\}^{n},$ define $z=x\oplus y$ to be the bitwise XOR of the two strings (that is, if $x_{i},y_{i},z_{i}$ denote the $i^{th}$ bits of $x,y,z$ respectively, then $z_{i}=x_{i}+y_{i} \bmod 2$ ... such linear functions for $n \geq 2$ is: $2^{n}$ $2^{n^{2}}$ $\large2^{\frac{n}{2}}$ $2^{4n}$ $2^{n^{2}+n}$
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in
Set Theory & Algebra
Feb 23, 2020
1.6k
views
tifr2018
set-theory&algebra
functions
1
answer
10
ISI2018-DCG-3
If the co-efficient of $p^{th}, (p+1)^{th}$ and $(p+2)^{th}$ terms in the expansion of $(1+x)^n$ are in Arithmetic Progression (A.P.), then which one of the following is true? $n^2+4(4p+1)+4p^2-2=0$ $n^2+4(4p+1)+4p^2+2=0$ $(n-2p)^2=n+2$ $(n+2p)^2=n+2$
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in
Quantitative Aptitude
Feb 23, 2020
497
views
isi2018-dcg
quantitative-aptitude
sequence-series
arithmetic-series
2
answers
11
GATE CSE 1995 | Question: 2.13
A unit vector perpendicular to both the vectors $a=2i-3j+k$ and $b=i+j-2k$ is: $\frac{1}{\sqrt{3}} (i+j+k)$ $\frac{1}{3} (i+j-k)$ $\frac{1}{3} (i-j-k)$ $\frac{1}{\sqrt{3}} (i+j-k)$
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in
Linear Algebra
Oct 14, 2019
4.1k
views
gate1995
linear-algebra
normal
vector-space
3
answers
12
Model Question IISc CDS CS Written Test Sample question
Anand is preparing a pizza with 8 slices, and he has 10 toppings to put on the pizza. He can put only one topping on each slice but can use the same topping on zero or more slices. In how many unique ways can he prepare the slices so that the same topping is not used in adjacent slices?
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in
Combinatory
Jun 29, 2019
1.8k
views
iisc
cds
0
answers
13
Discrete Mathematics [Self Doubt]
Is this statement valid: $(\exists x(P(x)\rightarrow Q(x)) )\rightarrow (\exists xP(x)\rightarrow \exists xQ(x))$
edited
in
Mathematical Logic
Apr 29, 2019
310
views
first-order-logic
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