Home » C » Interview Questions on Storage classes in C

Interview Questions on Storage classes in C : (3)

Question: 1

//What is the storage class for variable A in below code?
#include<stdio.h>
int main()
{
int A;
A = 10;
printf("%d", A);
return 0;
}

(A) extern
(B) auto
(C) register
(D) static

Compiler
Level: Expert Category of MCQ: storgeclass

Question: 2

Is the following statement a declaration or definition

extern int i;

(A) Declaration
(B) Definition

Compiler
Level: Beginner Category of MCQ: storgeclass

Question: 3

#include<stdio.h>

int main()
{
extern int i;
i = 20;
printf("%d", sizeof(i));
return 0;
}

(A) 20
(B) 0
(C) Undefined reference to i
(D) Linking Error

Compiler
Level: Beginner Category of MCQ: storgeclass