C Miscellaneous - C Programming MCQ Questions and Answers Page-5 section-1

41.

Determine Output:

void main()
{
      char *p;
      p="%d\n";
      p++;
      p++;
      printf(p-2, 300);
}

A. %d\n

B. 300

C. Error

D. None of These

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42.

Determine Output:

void main()
{
      int c[] = {2.8,3.4,4,6.7,5};
      int j, *p=c, *q=c;
      for(j=0;j<5;j++){
            printf(" %d ", *c);
            ++q;
      }
      for(j=0;j<5;j++){
            printf(" %d ", *p);
            ++p;
      }
}

A. 2 3 4 6 5 2 3 4 6 5

B. 2.8 3.4 4 6.7 5 2.8 3.4 4 6.7

C. 2.8 2.8 2.8 2.8 2.8 2.8 3.4 4

D. 2 2 2 2 2 2 3 4 6 5

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43.

Determine Output:

void main()
{
      int a[] = {10,20,30,40,50}, j, *p;
      for(j=0; j<5; j++){
            printf("%d" ,*a);
            a++;
      }
      p = a;
      for(j=0; j<5; j++){
            printf("%d" ,*p); 
            p++;
      }
}

A. 10 20 30 40 50 10 20 30 40 50

B. 10 20 30 40 50 Garbage Value

C. Error

D. None of These

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44.

Determine Output:

#include<stdio.h>
void main()
{
      char s[]={'a','b','c','n','c','\0'}; 
      char *p, *str, *str1; 
      p=&s[3]; 
      str=p;
      str1=s;
      printf("%c", ++*p + ++*str1-32);
}

A. N

B. P

C. M

D. None of These

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45.

Determine Output:

void main()
{
      static char *s[] = {"black", "white", "yellow", "violet"};
      char **ptr[] = {s+3, s+2, s+1, s}, ***p;
      p = ptr;
      ++p; 
      printf("%s",*--*++p + 3); 
}

A. te

B. ow

C. et

D. ck

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46.

What will be the output of the following C code?

#include<stdio.h>
main()
{
    int n;
    n=f1(4);
    printf("%d",n);
}
f1(int x)
{
    int b;
    if(x==1)
        return 1;
    else
        b=x*f1(x-1);
        return b;
}

A. 24

B. 4

C. 12

D. 10

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47.
In the absence of a exit condition in a recursive function, the following error is given . . . . . . . .

A. Compile time error

B. Run time error

C. Logical error

D. No error

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48.

What is the output of this C code?

#include <stdio.h>
main()
{
    if (sizeof(int) > -1)
        printf("True");
    else
        printf("False");
}

A. True

B. False

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49.

What will be the value of the following assignment expression?

(x = foo())!= 1 considering foo() returns 2

A. 2

B. True

C. 1

D. 0

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50.
Suppose we have: int a=100; (signed by default).
If we want to convert this to an unsigned long integer, we can do this by making the following small change:

A. int a=lu100;

B. int a= 100ul;

C. int a=uu100;

D. int a=100uu;

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41.
Determine Output:

`void main() { char *p; p="%d\n"; p++; p++; printf(p-2, 300); }`

Answer & Solution

42.
Determine Output:

`void main() { int c[] = {2.8,3.4,4,6.7,5}; int j, p=c, q=c; for(j=0;j<5;j++){ printf(" %d ", c); ++q; } for(j=0;j<5;j++){ printf(" %d ", p); ++p; } }`

Answer & Solution

43.
Determine Output:

`void main() { int a[] = {10,20,30,40,50}, j, p; for(j=0; j<5; j++){ printf("%d" ,a); a++; } p = a; for(j=0; j<5; j++){ printf("%d" ,*p); p++; } }`

Answer & Solution

44.
Determine Output:

`#include<stdio.h> void main() { char s[]={'a','b','c','n','c','\0'}; char p, str, str1; p=&s[3]; str=p; str1=s; printf("%c", ++p + ++*str1-32); }`

Answer & Solution

45.
Determine Output:

`void main() { static char s[] = {"black", "white", "yellow", "violet"}; char ptr[] = {s+3, s+2, s+1, s}, p; p = ptr; ++p; printf("%s",--++p + 3); }`

Answer & Solution

46.
What will be the output of the following C code?

`#include<stdio.h> main() { int n; n=f1(4); printf("%d",n); } f1(int x) { int b; if(x==1) return 1; else b=x*f1(x-1); return b; }`

Answer & Solution

47.
In the absence of a exit condition in a recursive function, the following error is given . . . . . . . .

Answer & Solution

48.
What is the output of this C code?

`#include <stdio.h> main() { if (sizeof(int) > -1) printf("True"); else printf("False"); }`

Answer & Solution

49.
What will be the value of the following assignment expression?

`(x = foo())!= 1 considering foo() returns 2`

Answer & Solution

50.
Suppose we have: int a=100; (signed by default).
If we want to convert this to an unsigned long integer, we can do this by making the following small change:

Answer & Solution

C Miscellaneous - C Programming MCQ Questions and Answers

41. Determine Output: void main() { char *p; p="%d\n"; p++; p++; printf(p-2, 300); }

Answer & Solution

42. Determine Output: void main() { int c[] = {2.8,3.4,4,6.7,5}; int j, *p=c, *q=c; for(j=0;j<5;j++){ printf(" %d ", *c); ++q; } for(j=0;j<5;j++){ printf(" %d ", *p); ++p; } }

Answer & Solution

43. Determine Output: void main() { int a[] = {10,20,30,40,50}, j, *p; for(j=0; j<5; j++){ printf("%d" ,*a); a++; } p = a; for(j=0; j<5; j++){ printf("%d" ,*p); p++; } }

Answer & Solution

44. Determine Output: #include<stdio.h> void main() { char s[]={'a','b','c','n','c','\0'}; char *p, *str, *str1; p=&s[3]; str=p; str1=s; printf("%c", ++*p + ++*str1-32); }

Answer & Solution

45. Determine Output: void main() { static char *s[] = {"black", "white", "yellow", "violet"}; char **ptr[] = {s+3, s+2, s+1, s}, ***p; p = ptr; ++p; printf("%s",*--*++p + 3); }

Answer & Solution

46. What will be the output of the following C code? #include<stdio.h> main() { int n; n=f1(4); printf("%d",n); } f1(int x) { int b; if(x==1) return 1; else b=x*f1(x-1); return b; }

Answer & Solution

47. In the absence of a exit condition in a recursive function, the following error is given . . . . . . . .

Answer & Solution

48. What is the output of this C code? #include <stdio.h> main() { if (sizeof(int) > -1) printf("True"); else printf("False"); }

Answer & Solution

49. What will be the value of the following assignment expression? (x = foo())!= 1 considering foo() returns 2

Answer & Solution

50. Suppose we have: int a=100; (signed by default).If we want to convert this to an unsigned long integer, we can do this by making the following small change:

Answer & Solution

41.
Determine Output:

`void main() { char *p; p="%d\n"; p++; p++; printf(p-2, 300); }`

42.
Determine Output:

`void main() { int c[] = {2.8,3.4,4,6.7,5}; int j, p=c, q=c; for(j=0;j<5;j++){ printf(" %d ", c); ++q; } for(j=0;j<5;j++){ printf(" %d ", p); ++p; } }`

43.
Determine Output:

`void main() { int a[] = {10,20,30,40,50}, j, p; for(j=0; j<5; j++){ printf("%d" ,a); a++; } p = a; for(j=0; j<5; j++){ printf("%d" ,*p); p++; } }`

44.
Determine Output:

`#include<stdio.h> void main() { char s[]={'a','b','c','n','c','\0'}; char p, str, str1; p=&s[3]; str=p; str1=s; printf("%c", ++p + ++*str1-32); }`

45.
Determine Output:

`void main() { static char s[] = {"black", "white", "yellow", "violet"}; char ptr[] = {s+3, s+2, s+1, s}, p; p = ptr; ++p; printf("%s",--++p + 3); }`

46.
What will be the output of the following C code?

`#include<stdio.h> main() { int n; n=f1(4); printf("%d",n); } f1(int x) { int b; if(x==1) return 1; else b=x*f1(x-1); return b; }`

47.
In the absence of a exit condition in a recursive function, the following error is given . . . . . . . .

48.
What is the output of this C code?

`#include <stdio.h> main() { if (sizeof(int) > -1) printf("True"); else printf("False"); }`

49.
What will be the value of the following assignment expression?

`(x = foo())!= 1 considering foo() returns 2`

50.
Suppose we have: int a=100; (signed by default).
If we want to convert this to an unsigned long integer, we can do this by making the following small change: