Function - C Programming MCQ Questions and Answers Page-1 section-2

Section 1 Section 2 Section 3

1.
What is the format identifier for "static a = 20.5;"?

A. %s

B. %d

C. %f

D. Illegal declaration due to absence of data type

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What will be the output of the following C code?

#include <stdio.h>
#define COLD
int main()
{
    #ifdef COLD
    printf("COLD\t");
    #undef COLD
    #endif
    #ifdef COLD
    printf("HOT\t");
    #endif
}

A. HOT

B. COLD

C. COLD HOT

D. No Output

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What will be the output of the following C code?

#include <stdio.h>
int *m()
{
    int *p = 5;
    return p;
}
void main()
{
    int *k = m();
    printf("%d", k);
}

A. 5

B. Junk value

C. 0

D. Error

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4.
Which directory the compiler first looks for the file when using #include?

A. Current directory where program is saved

B. C:COMPILERINCLUDE

C. S:SOURCEHEADERS

D. Both C:COMPILERINCLUDE and S:SOURCEHEADERS simultaneously

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What will be the output of the following C code?

#include <stdio.h>
#define foo(x, y) x / y + x
int main()
{
    int i = -6, j = 3;
    printf("%d\n",foo(i + j, 3));
    return 0;
}

A. Divided by zero exception

B. Compile time error

C. -8

D. -4

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What will be the output of the following C code?

#include <stdio.h>
int m()
{
    printf("hello");
}
void main()
{
    int k = m();
    printf("%d", k);
}

A. hello5

B. Error

C. Nothing

D. Junk value

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What will be the output of the following C code?

#include <stdio.h>
int main()
{
    register auto int i = 10;
    i = 11;
    printf("%d\n", i);
}

A. 10

B. Compile time error

C. Undefined behaviour

D. 11

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What will be the output of the following C code?

#include <stdio.h>
void main()
{
    m();
}
void m()
{
    printf("hi");
    m();
}

A. Compile time error

B. hi

C. Infinite hi

D. Nothing

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What will be the output of the following C code?

#include <stdio.h>
void foo();
int main()
{
    void foo(int);
    foo(1);
    return 0;
}
void foo(int i)
{
    printf("2 ");
}

A. 2

B. Compile time error

C. Depends on the compiler

D. Depends on the standard

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10.

Which of the following is an external variable in the following C code?

#include <stdio.h>
int func (int a)
{
    int b;
    return b;
}
int main()
{
    int c;
    func (c);
}
int d;

A. a

B. b

C. c

D. d

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1 2 3 4 5 6 7 8 9 10

1.
What is the format identifier for "static a = 20.5;"?

Answer & Solution

2.
What will be the output of the following C code?

`#include <stdio.h> #define COLD int main() { #ifdef COLD printf("COLD\t"); #undef COLD #endif #ifdef COLD printf("HOT\t"); #endif }`

Answer & Solution

3.
What will be the output of the following C code?

`#include <stdio.h> int m() { int p = 5; return p; } void main() { int *k = m(); printf("%d", k); }`

Answer & Solution

4.
Which directory the compiler first looks for the file when using #include?

Answer & Solution

5.
What will be the output of the following C code?

`#include <stdio.h> #define foo(x, y) x / y + x int main() { int i = -6, j = 3; printf("%d\n",foo(i + j, 3)); return 0; }`

Answer & Solution

6.
What will be the output of the following C code?

`#include <stdio.h> int m() { printf("hello"); } void main() { int k = m(); printf("%d", k); }`

Answer & Solution

7.
What will be the output of the following C code?

`#include <stdio.h> int main() { register auto int i = 10; i = 11; printf("%d\n", i); }`

Answer & Solution

8.
What will be the output of the following C code?

`#include <stdio.h> void main() { m(); } void m() { printf("hi"); m(); }`

Answer & Solution

9.
What will be the output of the following C code?

`#include <stdio.h> void foo(); int main() { void foo(int); foo(1); return 0; } void foo(int i) { printf("2 "); }`

Answer & Solution

10.
Which of the following is an external variable in the following C code?

`#include <stdio.h> int func (int a) { int b; return b; } int main() { int c; func (c); } int d;`

Answer & Solution

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Function - C Programming MCQ Questions and Answers

1. What is the format identifier for "static a = 20.5;"?

Answer & Solution

2. What will be the output of the following C code? #include <stdio.h> #define COLD int main() { #ifdef COLD printf("COLD\t"); #undef COLD #endif #ifdef COLD printf("HOT\t"); #endif }

Answer & Solution

3. What will be the output of the following C code? #include <stdio.h> int *m() { int *p = 5; return p; } void main() { int *k = m(); printf("%d", k); }

Answer & Solution

4. Which directory the compiler first looks for the file when using #include?

Answer & Solution

5. What will be the output of the following C code? #include <stdio.h> #define foo(x, y) x / y + x int main() { int i = -6, j = 3; printf("%d\n",foo(i + j, 3)); return 0; }

Answer & Solution

6. What will be the output of the following C code? #include <stdio.h> int m() { printf("hello"); } void main() { int k = m(); printf("%d", k); }

Answer & Solution

7. What will be the output of the following C code? #include <stdio.h> int main() { register auto int i = 10; i = 11; printf("%d\n", i); }

Answer & Solution

8. What will be the output of the following C code? #include <stdio.h> void main() { m(); } void m() { printf("hi"); m(); }

Answer & Solution

9. What will be the output of the following C code? #include <stdio.h> void foo(); int main() { void foo(int); foo(1); return 0; } void foo(int i) { printf("2 "); }

Answer & Solution

10. Which of the following is an external variable in the following C code? #include <stdio.h> int func (int a) { int b; return b; } int main() { int c; func (c); } int d;

Answer & Solution

Read More Section(Function)

1.
What is the format identifier for "static a = 20.5;"?

2.
What will be the output of the following C code?

`#include <stdio.h> #define COLD int main() { #ifdef COLD printf("COLD\t"); #undef COLD #endif #ifdef COLD printf("HOT\t"); #endif }`

3.
What will be the output of the following C code?

`#include <stdio.h> int m() { int p = 5; return p; } void main() { int *k = m(); printf("%d", k); }`

4.
Which directory the compiler first looks for the file when using #include?

5.
What will be the output of the following C code?

`#include <stdio.h> #define foo(x, y) x / y + x int main() { int i = -6, j = 3; printf("%d\n",foo(i + j, 3)); return 0; }`

6.
What will be the output of the following C code?

`#include <stdio.h> int m() { printf("hello"); } void main() { int k = m(); printf("%d", k); }`

7.
What will be the output of the following C code?

`#include <stdio.h> int main() { register auto int i = 10; i = 11; printf("%d\n", i); }`

8.
What will be the output of the following C code?

`#include <stdio.h> void main() { m(); } void m() { printf("hi"); m(); }`

9.
What will be the output of the following C code?

`#include <stdio.h> void foo(); int main() { void foo(int); foo(1); return 0; } void foo(int i) { printf("2 "); }`

10.
Which of the following is an external variable in the following C code?

`#include <stdio.h> int func (int a) { int b; return b; } int main() { int c; func (c); } int d;`