Functions - Point Out Correct Statements Multiple Questions and Answers.
Exercise Questions ::
Functions
| 1. | Which of the following statements are correct about the program? |
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#include<stdio.h>
int main()
{
printf("%p\n", main());
return 0;
}
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| A. | It prints garbage values infinitely |
| B. | Runs infinitely without printing anything |
| C. | Error: main() cannot be called inside printf() |
| D. | No Error and print nothing |
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| Answer: Option B |
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| Explanation: |
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In printf("%p\n", main()); it calls the main() function and then it repeats infinetly, untill stack overflow. |
| See More Information |
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Tutorial Link: |
Published by:Michael Daani
| 2. | There is a error in the below program. Which statement will you add to remove it? |
| #include<stdio.h>
int main()
{
int a;
a = f(10, 3.14);
printf("%d\n", a);
return 0;
}
float f(int aa, float bb)
{
return ((float)aa + bb);
}
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| A. | Add prototype: float f(aa, bb) |
| B. | Add prototype: float f(int, float) |
| C. | Add prototype: float f(float, int) |
| D. | Add prototype: float f(bb, aa) |
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| Answer: Option B |
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| Explanation: |
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The correct form of function f prototype is float f(int, float); |
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Tutorial Link: |
Published by:Michael Daani
| 3. | Which of the following statements are correct about the function? |
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long fun(int num)
{
int i;
long f=1;
for(i=1; i<=num; i++)
f = f * i;
return f;
}
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| A. | The function calculates the value of 1 raised to power num |
| B. | The function calculates the square root of an integer |
| C. | The function calculates the factorial value of an integer |
| D. | None of above |
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| Answer: Option C |
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| Explanation: |
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Yes, this function calculates and return the factorial value of an given integer num. |
| See More Information |
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Tutorial Link: |
Published by:Michael Daani
