EC8393 - Fundamentals of Data Structures in C

Which loop is most suitable to first perform the operation and then test the

condition?

• while loop

• for loop

• do while loop

• All of the mentioned

What is the output of the below code snippet

#include<stdio.h>

main()

{

printf("%d", -11%2);

}

• 1

• 5

• -1

• -5

Which of the following function is more appropriate for reading in a multi-word string?

• puts()

• gets()

• printf()

• scanf()

What will be the output of the following C code?

#include <stdio.h>

int main()

{

int a = 1, b = 1, c;

c = a++ + b;

printf("%d, %d", a, b);

}

• a = 1, b = 1

• a = 1, b = 2

• a = 2, b = 2

• a = 2, b = 1

What will be the output of the following C code?

#include <stdio.h>

void main()

{

int x = 5;

if (x < 1)

printf("hello");

if (x == 5)

printf("hi");

else

printf("no");

}

• hi

• hello

• no

• error

Array can be considered as set of elements stored in consecutive memory locations but having __________.

• same data type

• different data type

• same scope

• none

Determine the output:

#include<stdio.h>

int main()

{

int arr[10] = {0,1,2,[7]=7,8,9};

printf("%d ", arr[5]);

printf("%d ", arr[8]);

}

• 0 0

• 8 0

• 0 8

• 5 8

What will the following switch statement print?

char c = ‘y’;

switch(c)

{

case ‘Y’: printf(“Yes/No”);

break;

case ‘N’: printf(“No/Yes”);

break;

default: printf(“Other”);

}

• Yes/No

• No/Yes

• Other

• Yes/No No/Yes Other

Determine the output:

#include <stdio.h>

int main()

{

int a,b;

a = 10,20,30;

b = (10,20,30);

printf("a= %d, b= %d\n",a,b);

return 0;

}

• a=10, b=30

• a=30, b=10

• a=30, b=30

• Error

Which of the following is not a logical operator?

• &&

• >>

• !

• ||