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1

GATE CSE 2001 | Question: 2.1
How many $4$-digit even numbers have all $4$ digits distinct? $2240$ $2296$ $2620$ $4536$

commented in Combinatory Mar 13

9.5k views

13 answers

2

GATE CSE 2014 Set 1 | Question: 49
A pennant is a sequence of numbers, each number being $1$ or $2$. An $n-$pennant is a sequence of numbers with sum equal to $n$. For example, $(1,1,2)$ is a $4-$pennant. The set of all possible $1-$pennants is ${(1)}$, the set of all possible ... $(1,2)$ is not the same as the pennant $(2,1)$. The number of $10-$pennants is________

commented in Combinatory Mar 12

8.0k views

1 answer

3

GO Classes Weekly Quiz 1 | Fundamental Course | Question: 3
Evaluate $1+2x+3x^2+4x^3+\dots$ upto infinity, where $|x|<1$. $\frac{1}{(1-x)^2}$ $\frac{x}{(1-x)^2}$ $\frac{x^2}{(1-x)^2}$ $1-\frac{1}{(1-x)^2}$

commented in Quantitative Aptitude Mar 1

393 views

0 answers

4

GATE 2023 - Career advice based on low score
Hello everyone. My expected marks (as per GO Rank Predictor) is 40.33. These are few cases/conditions in case of me: I am a female candidate belonging to EWS Category. I am from CS / IT branch. I don't want to give IIIT or any ... field is highly appreciated. Please help me. Thanks for reading. :) Note: Please don't give any advice like taking a drop.

commented in Job Queries Feb 20

565 views

1 answer

5

ISRO CS 2018
#include <stdio.h> int main() { int i,j,x; scanf("%d ",x); i=1; j=1; while(i<10){ j=j*i; i=i+1; if(i==x) break; } return 0; }

commented in Programming Feb 20

177 views

6 answers

6

GATE CSE 2015 Set 1 | Question: 22
Which of the following fields of an IP header is NOT modified by a typical IP router? Check sum Source address Time to Live (TTL) Length

commented in Computer Networks Feb 18

8.2k views

1 answer

7

Made Easy test series
answer given is 33

answered in Programming Feb 8

190 views

1 answer

8

Preparation related advise
What are the preparation related mistakes that should be avoided strictly for a repeater?

commented in GATE Feb 8

163 views

3 answers

9

GATE2016 CE-2: GA-8
Fact 1: Humans are mammals. Fact 2: Some humans are engineers. Fact 3: Engineers build houses. If the above statements are facts, which of the following can be logically inferred? I. All mammals build houses. II. Engineers are mammals. III. Some humans are not engineers. II only. III only. I, II and III. I only.

commented in Analytical Aptitude Jan 29

3.7k views

3 answers

10

Digital Logic: Gate2016 ECE
The delays of NOR gates, Multiplexer and Inverters are 2ns, 1.5ns and 1ns respectively. If all the inputs P, Q, R, S and T are applied at the same time instant, Then the Maximum propagation delay (in ns) of the circuit is _______________

commented in Digital Logic Jan 28

5.2k views

9 answers

11

GATE CSE 2019 | Question: 22
Two numbers are chosen independently and uniformly at random from the set $\{1,2,\ldots,13\}.$ The probability (rounded off to $3$ decimal places) that their $4\text{-bit}$ (unsigned) binary representations have the same most significant bit is ___________.

commented in Digital Logic Jan 28

15.4k views

2 answers

12

GATE IT 2007 | Question: 38
The following expression was to be realized using $2$-input AND and OR gates. However, during the fabrication all $2$-input AND gates were mistakenly substituted by $2$-input NAND gates. $(a.b).c + (a'.c).d + (b.c).d + a. d$ What is the function finally realized ? $1$ $a' + b' + c' + d'$ $a' + b + c' + d'$ $a' + b' + c + d'$

commented in Digital Logic Jan 27

4.9k views

5 answers

13

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, $Y=ABC + DE$ $Y=\overline{ABC + DE}$ $Y=ABC.DE$ $Y=\overline{ABC.DE}$

commented in Digital Logic Jan 27

5.8k views

7 answers

14

GATE CSE 2015 Set 3 | Question: 43
The total number of prime implicants of the function $f(w, x, y, z) = \sum (0, 2, 4, 5, 6, 10)$ is __________

commented in Digital Logic Jan 27

12.2k views

4 answers

15

GATE CSE 2002 | Question: 2-1
Consider the following logic circuit whose inputs are functions $f_1, f_2, f_3$ and output is $f$ Given that $f_1(x,y,z) = \Sigma (0,1,3,5)$ $f_2(x,y,z) = \Sigma (6,7),$ and $f(x,y,z) = \Sigma (1,4,5).$ $f_3$ is $\Sigma (1,4,5)$ $\Sigma (6,7)$ $\Sigma (0,1,3,5)$ None of the above

commented in Digital Logic Jan 27

10.1k views

10 answers

16

GATE CSE 2016 Set 2 | Question: 08
Let, $x_{1} ⊕ x_{2} ⊕ x_{3} ⊕ x_{4}= 0$ where $x_{1}, x_{2}, x_{3}, x_{4}$ are Boolean variables, and $⊕$ is the XOR operator. Which one of the following must always be TRUE? $x_{1}x_{2}x_{3}x_{4} = 0$ $x_{1}x_{3} + x_{2} = 0$ $\bar{x}_{1} ⊕ \bar{x}_{3} = \bar{x}_{2} ⊕ \bar{x}_{4}$ $x_{1} + x_{2} + x_{3} + x_{4} = 0$

commented in Digital Logic Jan 26

10.5k views

3 answers

17

GATE CSE 2012 | Question: 6
The truth table ${\begin{array}{|c|c|c|}\hline \textbf{X}& \textbf{Y}& \textbf{(X,Y)} \\\hline 0& 0& 0 \\ \hline 0& 1&0\\ \hline 1& 0& 1 \\\hline 1& 1& 1 \\\hline \end{array}}$ represents the Boolean function $X$ $X + Y$ $X \oplus Y$ $Y$

commented in Digital Logic Jan 26

3.4k views

3 answers

18

GATE CSE 2017 Set 2 | Question: 34
Consider the binary code that consists of only four valid codewords as given below: $00000, 01011, 10101, 11110$ Let the minimum Hamming distance of the code $p$ and the maximum number of erroneous bits that can be corrected by the code be $q$. Then the values of $p$ and $q$ are $p=3$ and $q=1$ $p=3$ and $q=2$ $p=4$ and $q=1$ $p=4$ and $q=2$

commented in Digital Logic Jan 26

12.0k views

7 answers

19

GATE CSE 2003 | Question: 28
Which of the following functionality must be implemented by a transport protocol over and above the network protocol? Recovery from packet losses Detection of duplicate packets Packet delivery in the correct order End to end connectivity

commented in Computer Networks Jan 26

11.2k views

6 answers

20

GATE IT 2004 | Question: 87
A TCP message consisting of $2100$ $bytes$ is passed to IP for delivery across two networks. The first network can carry a maximum payload of $1200$ $bytes$ per frame and the second network can carry a maximum payload of $400$ $bytes$ per frame, excluding ... second network for this transmission? $\text{40 bytes}$ $\text{80 bytes}$ $\text{120 bytes}$ $\text{160 bytes}$

commented in Computer Networks Jan 26

14.6k views

1 answer

21

Programming
Someone please explain. Function of ‘^’

answered in Programming Jan 25

112 views

6 answers

22

GATE CSE 2015 Set 1 | Question: 35
What is the output of the following C code? Assume that the address of $x$ is $2000$ (in decimal) and an integer requires four bytes of memory. int main () { unsigned int x [4] [3] = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}, {10, 11, 12}}; printf ("%u, %u, %u", x + 3, *(x + 3), *(x + 2) + 3); } $2036, 2036, 2036$ $2012, 4, 2204$ $2036, 10, 10$ $2012, 4, 6$

answered in Programming Jan 25

22.4k views

3 answers

23

GATE IT 2008 | Question: 50
Consider the C program below. What does it print? # include <stdio.h> # define swapl (a, b) tmp = a; a = b; b = tmp void swap2 ( int a, int b) { int tmp; tmp = a; a = b; b = tmp; } void swap3 (int*a, int*b) { int tmp; tmp = *a; *a = *b; *b ... (num1 > = num2) {swap3 (&num1, &num2);} printf ("%d, %d", num1, num2); } $5, 5$ $5, 4$ $4, 5$ $4, 4$

commented in Programming Jan 25

8.2k views

3 answers

24

GATE CSE 2000 | Question: 1.12
The most appropriate matching for the following pairs ... $X - 3 \ \ Y - 2 \ \ Z - 1$ $X - 3 \ \ Y - 1 \ \ Z - 2$

commented in Programming Jan 25

9.3k views

6 answers

25

GATE IT 2006 | Question: 50
Which one of the choices given below would be printed when the following program is executed? #include <stdio.h> void swap (int *x, int *y) { static int *temp; temp = x; x = y; y = temp; } void printab () { static int i, a = -3, b = -6; i = 0; while (i <= 4) { if ((i++)%2 == 1 ... $a = 12, b = 9$ $a = 3, b = 6$ $a = 3, b = 6$ $a = 6, b = 3$ $a = 15, b = 12$

commented in Programming Jan 24

20.2k views

3 answers

26

GATE CSE 2010 | Question: 11
What does the following program print? #include<stdio.h> void f(int *p, int *q) { p=q; *p=2; } int i=0, j=1; int main() { f(&i, &j); printf("%d %d\n", i,j); return 0; } $2 \ 2$ $2 \ 1$ $0 \ 1$ $0 \ 2$

commented in Programming Jan 24

7.6k views

4 answers

27

GATE CSE 2008 | Question: 60
What is printed by the following C program? int f(int x, int *py, int **ppz) { int y, z; **ppz += 1; z = **ppz; // corrected z = *ppz; to z = **ppz; *py += 2; y = *py; x += 3; return x+y+z; } void main() { int c, *b, **a; c = 4; b = &c; a = &b; printf("%d", f(c, b, a)); } $18$ $19$ $21$ $22$

commented in Programming Jan 24

13.9k views

3 answers

28

GATE CSE 2003 | Question: 2
Assume the following C variable declaration: int *A[10], B[10][10]; Of the following expressions: $A[2]$ $A[2][3]$ $B[1]$ $B[2][3]$ which will not give compile-time errors if used as left hand sides of assignment statements in a C program? I, II, and IV only II, III, and IV only II and IV only IV only

commented in Programming Jan 24

25.2k views

3 answers

29

GATE IT 2008 | Question: 51
Consider the C program given below. What does it print? #include <stdio.h> int main () { int i, j; int a [8] = {1, 2, 3, 4, 5, 6, 7, 8}; for(i = 0; i < 3; i++) { a[i] = a[i] + 1; i++; } i--; for (j = 7; j > 4; j--) { int i = j/2; a[i] = a[i] - 1; } printf ("%d, %d", i, a[i]); } $2, 3$ $2, 4$ $3, 2$ $3, 3$

commented in Programming Jan 24

12.2k views

5 answers

30

GATE IT 2004 | Question: 27
A host is connected to a Department network which is part of a University network. The University network, in turn, is part of the Internet. The largest network in which the Ethernet address of the host is unique is the subnet to which the host belongs the Department network the University network the Internet

commented in Computer Networks Jan 23

11.4k views