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69 votes

1

GATE CSE 2014 Set 1 | Question: 50
Let ܵ$S$ denote the set of all functions $f:\{0,1\}^4 \to \{0,1\}$. Denote by $N$ the number of functions from S to the set $\{0,1\}$. The value of $ \log_2 \log_2N $ is _______.

answered in Set Theory & Algebra Jul 9, 2017

12.4k views

16 votes

2

GATE CSE 2010 | Question: 35
What is the value printed by the following C program? #include<stdio.h> int f(int *a, int n) { if (n <= 0) return 0; else if (*a % 2 == 0) return *a+f(a+1, n-1); else return *a - f(a+1, n-1); } int main() { int a[] = {12, 7, 13, 4, 11, 6}; printf("%d", f(a, 6)); return 0; } $-9$ $5$ $15$ $19$

answered in Algorithms Jul 9, 2017

11.6k views

6 votes

3

GATE CSE 2014 Set 1 | Question: 46
The function $f(x) =x \sin x$ satisfies the following equation: $f''(x) + f(x) +t \cos x = 0$The value of $t$ is______.

answered in Calculus Jul 9, 2017

5.2k views

132 votes

4

GATE CSE 2003 | Question: 47
Consider the following circuit composed of XOR gates and non-inverting buffers. The non-inverting buffers have delays $\delta_1 = 2 ns$ and $\delta_2 = 4 ns$ as shown in the figure. Both XOR gates and all wires have zero delays. Assume that all gate inputs, outputs, and wires ... of logic levels) occur(s) at $B$ during the interval from $0$ to $10$ ns? $1$ $2$ $3$ $4$

answered in Digital Logic Jul 9, 2017

16.2k views

2 votes

5

Career advice
I am 2016 pass out.i dropped a year for gate and scored 461 marks 35 with rank 5361.i took online coaching of Ravindra sir in the month of July and saw his videos till October and practiced gate previous year questions.i did a major blunder by not taking notes ... and I will be rejected because of the two year drop.I don't know wat to do.please tell me what should I do.

answered in Written Exam Mar 31, 2017

9.3k views

64 votes

6

GATE CSE 2017 Set 2 | Question: 46
Consider the following database table named $\text{top_scorer}$ ... tc.goals FROM top_scorer AS tc WHERE tc.country='Germany') The number of tuples returned by the above SQL query is ______

answered in Databases Feb 14, 2017

16.1k views

0 votes

7

GATE CSE 2017 Set 2 | Question: GA-5
There are $3$ red socks, $4$ green socks and $3$ blue socks.You choose $2$ socks. The probability that they are of the same colour is $\dfrac{1}{5}$ $\dfrac{7}{30}$ $\dfrac{1}{4}$ $\dfrac{4}{15}$

answered in Quantitative Aptitude Feb 14, 2017

8.9k views

31 votes

8

GATE CSE 2017 Set 2 | Question: 16
Identify the language generated by the following grammar, where $S$ is the start variable. $ S \rightarrow XY$ $ X \rightarrow aX \mid a$ $ Y \rightarrow aYb \mid \epsilon$ $\{a^mb^n \mid m \geq n, n > 0 \}$ $ \{ a^mb^n \mid m \geq n, n \geq 0 \}$ $\{a^mb^n \mid m > n, n \geq 0 \}$ $\{a^mb^n \mid m > n, n > 0 \}$

answered in Theory of Computation Feb 14, 2017

18.3k views

0 votes

9

GATE CSE 2017 Set 2 | Question: 24
Consider the quadratic equation $x^2-13x+36=0$ with coefficients in a base $b$. The solutions of this equation in the same base $b$ are $x=5$ and $x=6$. Then $b=$ _____

answered in Set Theory & Algebra Feb 14, 2017

14.3k views

1 vote

10

answered in Unknown Category Nov 8, 2016

584 views

3 votes

11

If subnet mask 255.255.255.224, which of the following will be Direct Broadcast address ?
1. 202.15.19.127 2. 202.15.19.63 3. All of the above 4. None

answered in Computer Networks Jun 2, 2016

5.0k views

2 votes

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answered in Computer Networks May 31, 2016

703 views

1 vote

13

Conditional Statements is a tautology or not without using truth table
1.$ [(p\to q)\wedge (q\to r)]\to (p\to r)$ 2. $[(p \vee q) \wedge (p \to r) \wedge (q \to r)] \to r$

answered in Mathematical Logic May 19, 2016

3.9k views

3 votes

14

Cache
Consider a system with 2 level cache. The access times of L1-Cache, L2-Cache and Main Memory are 1ns, 10ns and 500ns. The hit rate of L1 and L2 caches are 0.8 and 0.9 respectively. What is the average access time ?

answered in CO and Architecture May 18, 2016

3.2k views