Recent questions in Programming - GATE Overflow

+2 votes

2 answers

1

NIELIT 2016 MAR Scientist B - Section C: 13
What error would the following function give on compilation? f(int a, int b) { int a; a=20; return a; } Missing parenthesis is $\textit{return}$ statement. Function should be defined as $\text{int f(int a, int b)}$ Redeclaration of $a$. None of these.

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran | 170 views

+2 votes

1 answer

2

NIELIT 2016 MAR Scientist B - Section C: 14
Prior to using a pointer variable it should be declared. initialized. both declared and initialized. none of these.

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran | 127 views

+2 votes

1 answer

3

NIELIT 2016 MAR Scientist B - Section C: 45
Control structures include iteration rendezvous statements exception statements all of these

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran | 67 views

+1 vote

1 answer

4

NIELIT 2016 DEC Scientist B (IT) - Section B: 11
What is the meaning of following declaration? int(*p[7])(); $p$ is pointer to function $p$ is pointer to such function which return type is array $p$ is array of pointer to function $p$ is pointer to array of function

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran | 56 views

+1 vote

1 answer

5

NIELIT 2016 DEC Scientist B (IT) - Section B: 13
The number of unused pointers in a complete binary tree of depth $5$ is: $4$ $8$ $16$ $32$

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran | 47 views

+1 vote

1 answer

6

NIELIT 2016 DEC Scientist B (IT) - Section B: 25
The keyboard used to transfer control from a function back to the calling function is: switch go to go back return

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran | 40 views

+1 vote

1 answer

7

NIELIT 2016 DEC Scientist B (IT) - Section B: 60
How will you free the allocated memory? remove(var-name) free(var-name) delete(var-name) dalloc(var-name)

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran | 42 views

+1 vote

1 answer

8

NIELIT 2016 DEC Scientist B (CS) - Section B: 8
What will be output if you will compile and execute the following C code? void main(){ char c=125; c=c+10; printf("%d",c); } $135$ $115$ $-121$ $-8$

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran | 58 views

+1 vote

3 answers

9

NIELIT 2016 DEC Scientist B (CS) - Section B: 13
What will be output if you will compile and execute the following C code? void main() { printf("%d",sizeof(5.2)); } $4$ $8$ $2$ $16$

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran | 67 views

+1 vote

0 answers

10

NIELIT 2017 July Scientist B (IT) - Section B: 26
The following program is to be tested for statement coverage: begin if(a==b){S1;exit;} else if (c==d){S2;} else{S3;exit;} S4; end The test cases $T1,T2,T3$ and $T4$ given below are expressed in terms of the properties satisfied by the ... given below ensures coverage of statements $S1,S2,S3$ and $S4$? $T_1,T_2,T_3$ $T_2,T_4$ $T_3,T_4$ $T_1,T_2,T_4$

asked Mar 30 in Programming by Lakshman Patel RJIT Veteran | 30 views

+1 vote

1 answer

11

NIELIT 2017 July Scientist B (IT) - Section B: 32
Output of following program #include<stdio.h> int main() { int i=5; printf("%d%d%d", i++,i++,i++); return 0; } $7\:6\:5$ $5\:6\:7$ $7\:7\:7$ Compiler Dependent

asked Mar 30 in Programming by Lakshman Patel RJIT Veteran | 33 views

+1 vote

1 answer

12

NIELIT 2017 July Scientist B (IT) - Section B: 33
Output of following program? #include<stdio.h> void dynamic(int s,...) { printf("%d",s); } int main() { dynamic(2,4,6,8); dynamic(3,6,9); return 0; } $2\:3$ Compiler Error $4\:3$ $3\:2$

asked Mar 30 in Programming by Lakshman Patel RJIT Veteran | 28 views

+1 vote

1 answer

13

NIELIT 2017 July Scientist B (IT) - Section B: 35
Assume that float takes 4 bytes, predict the output of following program. #include<stdio.h> int main() { float arr[5]={12.5,10.0,13.5,90.5,0.5}; float *ptr1=&arr[0]; float *ptr2=ptr1+3; printf("%f",*ptr2); printf("%d",ptr2-ptr1); return 0; } $90.500000\:3$ $90.500000\:12$ $10.000000\:12$ $0.500000\:3$

asked Mar 30 in Programming by Lakshman Patel RJIT Veteran | 29 views

+1 vote

1 answer

14

NIELIT 2017 July Scientist B (IT) - Section B: 36
Assume that size of an integer is $32$ bit. What is the output of following ANSI C program? #include<stdio.h> struct st { int x; static int y; }; int main() { printf(%d",sizeof(struct st)); return 0; } $4$ $8$ Compiler Error Runtime Error

asked Mar 30 in Programming by Lakshman Patel RJIT Veteran | 27 views

+1 vote

1 answer

15

NIELIT 2017 July Scientist B (IT) - Section B: 37
Consider the following C declaration struct { short s[5]; union { float y; long z; }u; }t; Assume that objects of the type short, float and long occupy $2$ bytes, $4$ bytes and $8$ bytes respectively. The memory requirement for variable $t$ ignoring alignment considerations, is $22$ bytes $14$ bytes $18$ bytes $10$ bytes

asked Mar 30 in Programming by Lakshman Patel RJIT Veteran | 20 views

+1 vote

1 answer

16

NIELIT 2017 July Scientist B (IT) - Section B: 38
#include<stdio.h> struct st { int x; struct st next; }; int main() { struct st temp; temp.x=10; temp.next=temp; printf("%d",temp.next,x); return 0; } Compiler Error $10$ Runtime Error Garbage Value

asked Mar 30 in Programming by Lakshman Patel RJIT Veteran | 36 views

+1 vote

1 answer

17

NIELIT 2017 July Scientist B (CS) - Section B: 1
What does the following functions do for a given Linked list with first node as head? void fun1(struct node* head) { if(head==NULL) return; fun1(head->next); printf("%d",head->data); } Prints all nodes ... Prints all nodes of linked list in reverse order. Prints alternate nodes of linked List. Prints alternate nodes in reverse order.

asked Mar 30 in Programming by Lakshman Patel RJIT Veteran | 56 views

+1 vote

1 answer

18

NIELIT 2017 July Scientist B (CS) - Section B: 3
Consider the following function that takes reference to head of a Doubly Linked List as parameter. Assume that a node of doubly linked list has previous pointer as prev and next pointer as next. void fun(struct node **head_ref) { struct node *temp=NULL; struct ... -->3<-->2<-->1 6<-->5<-->4<-->3<-->1<-->2

asked Mar 30 in Programming by Lakshman Patel RJIT Veteran | 26 views

+1 vote

1 answer

19

NIELIT 2017 July Scientist B (CS) - Section B: 4
Let A be a square matrix of size $n\times n$. Consider the following program. What is the expected output? C=100 for i=1 to n do for j=1 to n do { Temp=A[i][j]+C A[i][j]=A[j][i] A[j][i]=Temp-C } ... A itself. Transpose of matrix A. Adding $100$ to the upper diagonal elements and subtracting $100$ from diagonal elements of A. None of the option.

asked Mar 30 in Programming by Lakshman Patel RJIT Veteran | 24 views

+1 vote

1 answer

20

NIELIT 2017 July Scientist B (CS) - Section B: 5
Following is C like Pseudo code of a function that takes a number as an argument, and uses a stack S to do argument, and uses a stack S to do processing. void fun(int n) { stack S;//Say it creates an empty stack S while(n>0) ... order. Prints binary representation of n. Prints the value of $\log n$. Prints the value of $\log n$ in reverse order.

asked Mar 30 in Programming by Lakshman Patel RJIT Veteran | 23 views

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