C Preprocessor - C Programming MCQ Questions and Answers Page-6 section-1

51.

What will be the output of the following C code, if it is run on a 32 bit platform?

#include<stdio.h>
#pragma(1)
struct test
{
    int i;
    char j;
};
main()
{
    printf("%d",sizeof(struct test));
}

A. Error

B. 1

C. 4

D. 8

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52.

What will be the output of the following C code?

#include <stdio.h>
#define p( m ) printf( "t*" #m " = %s", t##m )
char tram[]="tram";
int main()
{
    int x;
    x=p(ram);
}

A. error

B. tram=tram

C. t*ram=t*ram

D. t*ram=tram

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53.

What will be the output of the following C code?

#include<stdio.h>
#define sf 10
main()
{
    if(sf==100)
        printf("good");
    else
    {
        printf("bad");
        sf=100;
    }
    printf("%d",sf);
}

A. 100

B. bad

C. 10

D. error

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54.

What will be the output of the following C code?

#include<stdio.h>
void main()
{
    #ifndef max
    printf("hello");
    #endif
    printf("hi");
}

A. hello

B. hellohi

C. error

D. hi

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55.

The following C code results in an error.

#include <stdio.h>
#define world( n ) printf( "t^^" #n" = %c", t##n )
int t3=1;
int main()
{
   world(3);
}

A. True

B. False

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56.

What will be the output of the following C code?

#define F abc
#define B def
#define FB(arg) #arg
#define FB1(arg) FB(arg)
main()
{
    printf(FB(F B));
    FB1(F B);
}

A. F B

B. Error

C. FB

D. "FB"

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57.

What will be the output of the following C code?

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

A. Error

B. Junk value

C. 34

D. 43

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58.

What will be the output of the following C code?

#define example(s,n) #s #n
main()
{
    printf(example(hello,world));
}

A. example(hello,world)

B. example

C. hello,world

D. helloworld

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59.

What will be the output of the following C code?

#include <stdio.h>
#define hello( n ) a##n
int a3;
int main()
{
    int x;
    x=hello(3);
    if(x!=0)
        printf("hi");
    else
        printf("good");
}

A. error

B. a3

C. good

D. hi

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60.

What will be the output of the following C code?

#include<stdio.h>
#define hello 
main()
{
    #ifdef hello
    #define hi 4
    #else
    #define hi 5
    #endif
    printf("%d",hi);
 
}

A. 4

B. 5

C. 45

D. error

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51.
What will be the output of the following C code, if it is run on a 32 bit platform?

`#include<stdio.h> #pragma(1) struct test { int i; char j; }; main() { printf("%d",sizeof(struct test)); }`

Answer & Solution

52.
What will be the output of the following C code?

`#include <stdio.h> #define p( m ) printf( "t*" #m " = %s", t##m ) char tram[]="tram"; int main() { int x; x=p(ram); }`

Answer & Solution

53.
What will be the output of the following C code?

`#include<stdio.h> #define sf 10 main() { if(sf==100) printf("good"); else { printf("bad"); sf=100; } printf("%d",sf); }`

Answer & Solution

54.
What will be the output of the following C code?

`#include<stdio.h> void main() { #ifndef max printf("hello"); #endif printf("hi"); }`

Answer & Solution

55.
The following C code results in an error.

`#include <stdio.h> #define world( n ) printf( "t^^" #n" = %c", t##n ) int t3=1; int main() { world(3); }`

Answer & Solution

56.
What will be the output of the following C code?

`#define F abc #define B def #define FB(arg) #arg #define FB1(arg) FB(arg) main() { printf(FB(F B)); FB1(F B); }`

Answer & Solution

57.
What will be the output of the following C code?

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

Answer & Solution

58.
What will be the output of the following C code?

`#define example(s,n) #s #n main() { printf(example(hello,world)); }`

Answer & Solution

59.
What will be the output of the following C code?

`#include <stdio.h> #define hello( n ) a##n int a3; int main() { int x; x=hello(3); if(x!=0) printf("hi"); else printf("good"); }`

Answer & Solution

60.
What will be the output of the following C code?

`#include<stdio.h> #define hello main() { #ifdef hello #define hi 4 #else #define hi 5 #endif printf("%d",hi); }`

Answer & Solution

C Preprocessor - C Programming MCQ Questions and Answers

51. What will be the output of the following C code, if it is run on a 32 bit platform? #include<stdio.h> #pragma(1) struct test { int i; char j; }; main() { printf("%d",sizeof(struct test)); }

Answer & Solution

52. What will be the output of the following C code? #include <stdio.h> #define p( m ) printf( "t*" #m " = %s", t##m ) char tram[]="tram"; int main() { int x; x=p(ram); }

Answer & Solution

53. What will be the output of the following C code? #include<stdio.h> #define sf 10 main() { if(sf==100) printf("good"); else { printf("bad"); sf=100; } printf("%d",sf); }

Answer & Solution

54. What will be the output of the following C code? #include<stdio.h> void main() { #ifndef max printf("hello"); #endif printf("hi"); }

Answer & Solution

55. The following C code results in an error. #include <stdio.h> #define world( n ) printf( "t^^" #n" = %c", t##n ) int t3=1; int main() { world(3); }

Answer & Solution

56. What will be the output of the following C code? #define F abc #define B def #define FB(arg) #arg #define FB1(arg) FB(arg) main() { printf(FB(F B)); FB1(F B); }

Answer & Solution

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

Answer & Solution

58. What will be the output of the following C code? #define example(s,n) #s #n main() { printf(example(hello,world)); }

Answer & Solution

59. What will be the output of the following C code? #include <stdio.h> #define hello( n ) a##n int a3; int main() { int x; x=hello(3); if(x!=0) printf("hi"); else printf("good"); }

Answer & Solution

60. What will be the output of the following C code? #include<stdio.h> #define hello main() { #ifdef hello #define hi 4 #else #define hi 5 #endif printf("%d",hi); }

Answer & Solution

51.
What will be the output of the following C code, if it is run on a 32 bit platform?

`#include<stdio.h> #pragma(1) struct test { int i; char j; }; main() { printf("%d",sizeof(struct test)); }`

52.
What will be the output of the following C code?

`#include <stdio.h> #define p( m ) printf( "t*" #m " = %s", t##m ) char tram[]="tram"; int main() { int x; x=p(ram); }`

53.
What will be the output of the following C code?

`#include<stdio.h> #define sf 10 main() { if(sf==100) printf("good"); else { printf("bad"); sf=100; } printf("%d",sf); }`

54.
What will be the output of the following C code?

`#include<stdio.h> void main() { #ifndef max printf("hello"); #endif printf("hi"); }`

55.
The following C code results in an error.

`#include <stdio.h> #define world( n ) printf( "t^^" #n" = %c", t##n ) int t3=1; int main() { world(3); }`

56.
What will be the output of the following C code?

`#define F abc #define B def #define FB(arg) #arg #define FB1(arg) FB(arg) main() { printf(FB(F B)); FB1(F B); }`

57.
What will be the output of the following C code?

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

58.
What will be the output of the following C code?

`#define example(s,n) #s #n main() { printf(example(hello,world)); }`

59.
What will be the output of the following C code?

`#include <stdio.h> #define hello( n ) a##n int a3; int main() { int x; x=hello(3); if(x!=0) printf("hi"); else printf("good"); }`

60.
What will be the output of the following C code?

`#include<stdio.h> #define hello main() { #ifdef hello #define hi 4 #else #define hi 5 #endif printf("%d",hi); }`