Pointers - C Questions

Pointers Questions - 1 Pointers Questions - 2 Pointers Questions - 3 Pointers Questions - 4 Pointers Questions - 5 Pointers Questions - 6 Pointers Questions - 7 Pointers Questions - 8

Data Types - C Questions

Data Types Questions - 1 Data Types Questions - 2 Data Types Questions - 3 Data Types Questions - 4 Data Types Questions - 5

Operators - C Questions

Operators Questions - 1 Operators Questions - 2 Operators Questions - 3 Operators Questions - 4 Operators Questions - 5

Structures - C Questions

Structures Questions - 1 Structures Questions - 2 Structures Questions - 3 Structures Questions - 4 Structures Questions - 5

Files - C Questions

Files Questions - 1 Files Questions - 2 Files Questions - 3 Files Questions - 4 Files Questions - 5

printf - C Questions

printf Questions - 1 printf Questions - 2 printf Questions - 3 printf Questions - 4 printf Questions - 5

Variables - C Questions

Variables Questions - 1 Variables Questions - 2 Variables Questions - 3 Variables Questions - 4 Variables Questions - 5

Preprocessor Macros

Preprocessor Macros - 1 Preprocessor Macros - 2 Preprocessor Macros - 3 Preprocessor Macros - 4 Preprocessor Macros - 5

While Loop - C Questions

While Loop Questions - 1 While Loop Questions - 2 While Loop Questions - 3 While Loop Questions - 4 While Loop Questions - 5

for Loop - C Questions

for Loop Questions - 1 for Loop Questions - 2 for Loop Questions - 3 for Loop Questions - 4 for Loop Questions - 5

if else - C Questions

if else Questions - 1 if else Questions - 2 if else Questions - 3 if else Questions - 4 if else Questions - 5

Switch case - C Questions

Switch case Questions - 1 Switch case Questions - 2 Switch case Questions - 3 Switch case Questions - 4 Switch case Questions - 5

Array - C Questions

Array Questions - 1 Array Questions - 2 Array Questions - 3 Array Questions - 4 Array Questions - 5

Functions - C Questions

Functions Questions - 1 Functions Questions - 2 Functions Questions - 3 Functions Questions - 4 Functions Questions - 5

Memory Allocation

Memory Allocation - 1 Memory Allocation - 2
The ones who are crazy enough to think they can change the world are the ones who do.
- Steve Jobs

C Operators Interview Questions

In most of the MNC interview questions such as in ZOHO interview question, IVTL Infoview interview questions, Amazon interview questions, GOOGLE interview questions, Infosys interview questions and even in Voonik interview questions, We come across several Tricky C Questions about which 2:5 of the questions are from Operators in c. Solving that kind of tricky C questions is not an easy task for all C programmers. We need more practices to solve it with ease. So we provide 25+ interesting C questions in Operators to make your MNC interview very easy.

C Operators Interview Questions and Answers

21. What will be the output of the C program?

#include<stdio.h>
int main()
{
	printf("%d",3 * 2--);
}

A. 3

B. 9

C. 6

D. Compilation error

x

 

Option: D

Explanation

2-- stands meaningless

Answer


22. What will be the output of the C program?

#include<stdio.h>
int main()
{
	int a = 1, b = 3, c;
	c = b <<  a;
	b = c * (b * (++a)--);
	a = a >> b;
	printf("%d",b);
	return 0;
}

A. 36

B. Compilation error

C. 30

D. 24

x

 

Option: A

Explanation

c = 3 >> 1;
c = 0011 << 1;
c = 0110;
c = 6
b = c * (b * (++a)--);
b = 6 * (3 * (2)--);
b = 6 * 6( post -- is neglected in this case)
b = 36 which is outputted. 

Answer


23. What will be the output of the C program?

#include<stdio.h>
int main()
{
	int i = 10;
	i++;
	i * i;
	printf("%d\n",i);
	return 0;
}

A. 121

B. 100

C. 10

D. 11

x

 

Option: D

Explanation

i++ alone store the result in variable i.

Answer


24. What will be the output of the C program?

#include<stdio.h>
int main()
{
	struct bb
	{
		int b = 2;
		char name[] = "braces.com";
	};
	struct bb *s = malloc(sizeof(struct bb));
	printf("%d",s -> b);
	printf("%s",s -> name);
	return 0;
}

A. 2braces.com

B. Compilation error

C. Runtime error

D. garbage value

x

 

Option: B

Explanation

Initialization for structure members should not be done inside the structure declaration itself.

Answer


25. What will be the output of the C program?

#include<stdio.h>
	#define x =
int main()
{
	int a;
	a x 5;
	printf("%d",a);
	return 0;
}

A. Compilation error

B. Runtime error

C. 5

D. program incomplete

x

 

Option: C

Explanation

= is defined in proprocessor with the name of x. Thus no problem with a normal compilation flow.

Answer


Report Us

We may make mistakes(spelling, program bug, typing mistake and etc.), So we have this container to collect mistakes. We highly respect your findings.

Report

We to update you