C Objective Questions for Practitioners

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Question: 26

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: datatype

Question: 27

What should be the output of below program ?

##include "stdio.h"

int  main()
{
	printf("CppBuzz.com");
return 0; 	
}

(A) CppBuzz.com
(B) No output
(C) Compilation Error in preprocessing
(D) None of above

Compiler
Level: Practitioner Category: preprocessor

Question: 28

What should be the output of below program?

#define # @
@include "stdio.h"

int main()
{
 	printf("CppBuzz.com");
 	return 0;
}

(A) CppBuzz.com
(B) Nothing
(C) Compilation Error
(D) Depends on Compilor

Compiler
Level: Practitioner Category: preprocessor

Question: 29

Which of the following ways are correct to comment out preprocessing of any line?

(A) -- #include<stdio.h>
(B) // #include<stdio.h>
(C) ''#include<stdio.h>
(D) ##include<stdio.h>

Compiler
Level: Practitioner Category: preprocessor

Question: 30

#include  "stdio.h"
int main()
{
int a;
if(a = printf("cppbuzz-"))
{
	printf("Good place to learn C");
}
else
{
	printf("Bad place to learn C");
}
	
return 0;
}

(A) cppbuzz-Good place to learn C
(B) cppbuzz-Bad place to learn C
(C) Good place to learn C
(D) Bad place to learn C

Compiler
Level: Practitioner Category: conditional

Question: 31

#include  "stdio.h"
int main()
{
    int a;
    if(a == printf("cppbuzz-"))
    {   printf("Bad place to learn C");
        
    }
    else
    {
        printf("Good place to learn C");
    }
        
    return 0;
}

(A) cppbuzz-Bad place to learn C
(B) cppbuzz-Good place to learn C
(C) Bad place to learn C
(D) Good place to learn C

Compiler
Level: Practitioner Category: conditional

Question: 32

#include  "stdio.h"
int main()
{
int a = 0;
if(a = printf("How old are you?"))
{   
printf("%d - too young", a);	
}

return 0;
}

(A) 0 - too young
(B) Compilation Error
(C) Nothing is printed
(D) How old are you? 16 - too young

Compiler
Level: Practitioner Category: loops

Question: 33

#include  "stdio.h"
int main()
{
if(printf("C programming is"))
{   
printf("Easy");
}
else
{
printf("Hard");
}

return 0;
}

(A) Easy
(B) Hard
(C) C programming is Easy
(D) None of the above

Compiler
Level: Practitioner Category: loops

Question: 34

#include  "stdio.h"
int main()
{
    int a = 10, b = 20;
    if(a=b)
    {   
        printf("Easy");
    }
    else
    {
        printf("Hard");
    }

    return 0;
}

(A) Easy
(B) Hard
(C) EasyHard
(D) Error in program

Compiler
Level: Practitioner Category: loops

Question: 35

#include "stdio.h"
int main()
{
int 2a = 10;
printf("%d",2a);
return 0;
}

(A) 10
(B) 20
(C) 2a
(D) Compilation Error

Compiler
Level: Practitioner Category: variables

Question: 36

#include "stdio.h"
int main()
{
int a = 10;
switch(a)
{
case 10: printf("Ten"); 
case 20: printf("Twenty");
case 30: printf("Thirty");
default: printf("nothing");
}
return 0;
}

(A) Then
(B) TenTwenty
(C) TenTwentyThirtynothing
(D) nothing