Interview Questions & Answers on Data Type in C programming

Question: 1

#include<stdio.h>

int main()
{
    char arr[5]="The CppBuzz.com";
    printf("%s",arr);
    return 0;
}

(A) The CppBuzz.com
(B) The C
(C) The CppBuzz
(D) Compilation Error

Compiler
Level: Practitioner Category of MCQ: datatype

Question: 2

#include<stdio.h>

int main()
{
    int a = 5;
    int b = 10;
    int c = a+b;
    printf("%i",c);
}

(A) 0
(B) 15
(C) Undefined i
(D) Any other Compiler Error

Compiler
Level: EXpert Category of MCQ: datatype

Question: 3

#include<stdio.h>

int main()
{
	int _ = 10;
	int __ = 20;
	int ___ = _ + __;
	printf("__%d",___);
	return 0;
}

(A) Compilation Error
(B) Runtime Error
(C) __0
(D) __30

Compiler
Level: Expert Category of MCQ: datatype

Question: 4

#include<stdio.h>

int main()
{
    int a = 10.5;
    printf("%d",a);
    return 0;
}

(A) 10.5
(B) 10
(C) 0
(D) Compilation Error

Compiler
Level: Beginner Category of MCQ: datatype

Question: 5

Which of the following is executed by Preprocessor?

(A) #include<stdio.h>
(B) return 0
(C) void main(int argc , char ** argv)
(D) None of above

Compiler
Level: Beginner Category of MCQ: datatype

Question: 6

//What should be the output:
#include<stdio.h>

int main()
{ 
    int a = 10/3;
    printf("%d",a); 
    
    return 0;
}

(A) 3.33
(B) 3.0
(C) 3
(D) 0

Compiler
Level: Beginner Category of MCQ: datatype

Question: 7

#include<stdio.h>

int x = 10;

int main()
{
    int x = 0;
    printf("%d",x);
    return 0;
}

(A) 10
(B) 0
(C) Compilation Error
(D) Undefined

Compiler
Level: Expert Category of MCQ: datatype

Question: 8

Which of the following ways are correct to include header file in C program?

(A) #include<stdio.h>
(B) #include"stdio.h"
(C) Both A & B

Compiler
Level: Expert Category of MCQ: datatype

Question: 9

Which of the following ways are correct to include header file in C program?

(A) #include<stdio.h>
(B) #include"stdio.h"
(C) Both A & B

Compiler
Level: Practitioner Category of MCQ: datatype

Question: 10

#include "stdio.h"

int main()
{
float a = 123/100;
printf("%f", a);
return 0;
}

(A) 1
(B) 1.0
(C) 1.0000
(D) 1.000000

Compiler
Level: Beginner Category of MCQ: datatype

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