100 MCQ on C Programming

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Question: 81

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

(A) 10
(B) 10@
(C) @
(D) [Error] stray '@' in program

Compiler
Level: BeginnerCateogry of MCQ: variables

Question: 82

#include "stdio.h"
int main()
{
int a = 10;
printf("%d", a);
int a = 20;
printf("%d",a);
return 0;
}

(A) 1020
(B) 1010
(C) 2020
(D) Error: Redeclartion of a

Compiler
Level: BeginnerCateogry of MCQ: variables

Question: 83

#include "stdio.h"
int a = 20;
int main()
{
int a = 10;
printf("%d", ::a);
return 0;
}

(A) 10
(B) 20
(C) ::20
(D) ::10

Compiler
Level: BeginnerCateogry of MCQ: variables

Question: 84

#include "stdio.h"
int a = 20;
int main()
{
int a = 10;
printf("%d", a);
return 0;
}

(A) 20
(B) Ambiguity Error
(C) 10
(D) 0

Compiler
Level: BeginnerCateogry of MCQ: variables

Question: 85

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

(A) Compilation Error
(B) 10
(C) __10
(D) __a

Compiler
Level: BeginnerCateogry of MCQ: variables

Question: 86

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

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

Compiler
Level: PractitionerCateogry of MCQ: variables

Question: 87

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

(A) 10
(B) @10
(C) 10@
(D) Compilation Error

Compiler
Level: BeginnerCateogry of MCQ: variables

Question: 88

#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: PractitionerCateogry of MCQ: loops

Question: 89

#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: PractitionerCateogry of MCQ: loops

Question: 90

#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: PractitionerCateogry of MCQ: loops

Question: 91

#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: PractitionerCateogry of MCQ: conditional

Question: 92

#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: PractitionerCateogry of MCQ: conditional

Question: 93

Which gcc flag is used to enable all Compiler warnings?

(A) gcc -W
(B) gcc -w
(C) gcc -Wall
(D) gcc - wall