C Programming MCQ with Answers

C Programming MCQ with Answers

96) What is the following code segment doing?
void fn( )
{
char c;
cin.get(c);
if (c != ‘
’)
{
fn( );
cout.put(c);
}
}

Answer is:

The string entered is printed in reverse order.

97) For loop in a C program, if the condition is missing

Answer is:

it is assumed to be present and taken to the true

For loop in a C program, if the condition is missing

98) Which of the following statement about for loop is true ?

Answer is:

All of these

Explanation:

In for loop
* Index value is retained outside the loop
* Index value can be changed from within the loop
* Goto can be used to jump, out of the loop

Which of the following statement about for loop is true ?

99) If c is a variable initialised to 1, how many times will the following loop be executed?
while ((c > 0) && (c < 60))
{
loop body
c ++;
}

Answer is:

59

100) How many times will the following loop be executed if the input data item is 0 1 2 3 4 ?
while (c = getchar ()! = 0)
{ }

Answer is:

Infinitely

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