C Preprocessor - C Programming MCQ Questions and Answers Page-7 section-1

61.

What will be the output of the following C code?

#define display(text) printf(#text "@")
main()
{
    display(hello.);
    display(good morning!);
}

A. hello.@good morning!

B. error

C. hello.good morning!@

D. hello.@good morning!@

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62.

What will be the output of the following C code?

#include <stdio.h>
#define p( n ) printf( "t%%\n" #n " = %d", t##n )
int t3=10;
int main()
{
    int x;
    x=p(3);
}

A. t%
3=10

B. t3=10

C. t%3=10

D. t
%3=10

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63.

What will be the output of the following C code?

#include <stdio.h>
#define p( n,m ) printf( "%d", m##n )
#define q(a,b) printf("%d",a##b)
main()
{
   p(3,4);
   q(5,6);
}

A. 4356

B. 3456

C. 4365

D. 3465

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64.

What will be the output of the following C code?

#include<stdio.h>
#define hello 10
void main()
{
    printf("%d",hello);
    #undef hello
    printf("%d",hello);
}

A. 10

B. hello

C. error

D. 1010

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65.

What will be the output of the following C code?

#include <stdio.h>
#define display( n ) printf( "a" #n " = %d", a##n )
int main()
{
   display(3);
}

A. a3

B. 31

C. a 3

D. error

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66.
The preprocessor directive used to give additional information to the compiler, beyond which is conveyed in the language . . . . . . . .

A. #include

B. #define

C. #pragma

D. #elif

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67.
Which of the following operators is used to concatenate two strings without space?

A. #

B. < >

C. **

D. ##

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68.
#pragma GCC poison should be followed by a list of identifiers that are . . . . . . . .

A. even in number

B. odd in number

C. valid

D. invalid

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69.
In the directive, #pragma pack(n), which of the following is not a valid value of n?

A. 1

B. 2

C. 3

D. 4

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70.

What will be the output of the following C code?

#include <stdio.h>
#define a 2
main()
{
    int r;
    #define a 5
    r=a*2;
    printf("%d",r);
}

A. 10

B. 4

C. 2

D. 5

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61.
What will be the output of the following C code?

`#define display(text) printf(#text "@") main() { display(hello.); display(good morning!); }`

Answer & Solution

62.
What will be the output of the following C code?

`#include <stdio.h> #define p( n ) printf( "t%%\n" #n " = %d", t##n ) int t3=10; int main() { int x; x=p(3); }`

Answer & Solution

63.
What will be the output of the following C code?

`#include <stdio.h> #define p( n,m ) printf( "%d", m##n ) #define q(a,b) printf("%d",a##b) main() { p(3,4); q(5,6); }`

Answer & Solution

64.
What will be the output of the following C code?

`#include<stdio.h> #define hello 10 void main() { printf("%d",hello); #undef hello printf("%d",hello); }`

Answer & Solution

65.
What will be the output of the following C code?

`#include <stdio.h> #define display( n ) printf( "a" #n " = %d", a##n ) int main() { display(3); }`

Answer & Solution

66.
The preprocessor directive used to give additional information to the compiler, beyond which is conveyed in the language . . . . . . . .

Answer & Solution

67.
Which of the following operators is used to concatenate two strings without space?

Answer & Solution

68.
#pragma GCC poison should be followed by a list of identifiers that are . . . . . . . .

Answer & Solution

69.
In the directive, #pragma pack(n), which of the following is not a valid value of n?

Answer & Solution

70.
What will be the output of the following C code?

`#include <stdio.h> #define a 2 main() { int r; #define a 5 r=a*2; printf("%d",r); }`

Answer & Solution

C Preprocessor - C Programming MCQ Questions and Answers

61. What will be the output of the following C code? #define display(text) printf(#text "@") main() { display(hello.); display(good morning!); }

Answer & Solution

62. What will be the output of the following C code? #include <stdio.h> #define p( n ) printf( "t%%\n" #n " = %d", t##n ) int t3=10; int main() { int x; x=p(3); }

Answer & Solution

63. What will be the output of the following C code? #include <stdio.h> #define p( n,m ) printf( "%d", m##n ) #define q(a,b) printf("%d",a##b) main() { p(3,4); q(5,6); }

Answer & Solution

64. What will be the output of the following C code? #include<stdio.h> #define hello 10 void main() { printf("%d",hello); #undef hello printf("%d",hello); }

Answer & Solution

65. What will be the output of the following C code? #include <stdio.h> #define display( n ) printf( "a" #n " = %d", a##n ) int main() { display(3); }

Answer & Solution

66. The preprocessor directive used to give additional information to the compiler, beyond which is conveyed in the language . . . . . . . .

Answer & Solution

67. Which of the following operators is used to concatenate two strings without space?

Answer & Solution

68. #pragma GCC poison should be followed by a list of identifiers that are . . . . . . . .

Answer & Solution

69. In the directive, #pragma pack(n), which of the following is not a valid value of n?

Answer & Solution

70. What will be the output of the following C code? #include <stdio.h> #define a 2 main() { int r; #define a 5 r=a*2; printf("%d",r); }

Answer & Solution

61.
What will be the output of the following C code?

`#define display(text) printf(#text "@") main() { display(hello.); display(good morning!); }`

62.
What will be the output of the following C code?

`#include <stdio.h> #define p( n ) printf( "t%%\n" #n " = %d", t##n ) int t3=10; int main() { int x; x=p(3); }`

63.
What will be the output of the following C code?

`#include <stdio.h> #define p( n,m ) printf( "%d", m##n ) #define q(a,b) printf("%d",a##b) main() { p(3,4); q(5,6); }`

64.
What will be the output of the following C code?

`#include<stdio.h> #define hello 10 void main() { printf("%d",hello); #undef hello printf("%d",hello); }`

65.
What will be the output of the following C code?

`#include <stdio.h> #define display( n ) printf( "a" #n " = %d", a##n ) int main() { display(3); }`

66.
The preprocessor directive used to give additional information to the compiler, beyond which is conveyed in the language . . . . . . . .

67.
Which of the following operators is used to concatenate two strings without space?

68.
#pragma GCC poison should be followed by a list of identifiers that are . . . . . . . .

69.
In the directive, #pragma pack(n), which of the following is not a valid value of n?

70.
What will be the output of the following C code?

`#include <stdio.h> #define a 2 main() { int r; #define a 5 r=a*2; printf("%d",r); }`