ExamAdept

Exercise: Functions

In C all functions except main() can be called recursively.

True

False

Answer: B

Any function including main() can be called recursively.

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If return type for a function is not specified, it defaults to int

True

False

Answer: A

True, The default return type for a function is int.

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Functions cannot return more than one value at a time

True

False

Answer: A

True, A function cannot return more than one value at a time. because after returning a value the control is given back to calling function.

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A function cannot be defined inside another function

True

False

Answer: A

A function cannot be defined inside the another function, but a function can be called inside a another function.

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Which of the following statements are correct about the function?

long fun(int num)
{
    int i;
    long f=1;
    for(i=1; i<=num; i++)
        f = f * i;
    return f;
}

The function calculates the value of 1 raised to power num.

The function calculates the square root of an integer

The function calculates the factorial value of an integer

None of above

Answer: C

Yes, this function calculates and return the factorial value of an given integer num.

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