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

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Computer Science Set-1
C Programming
96

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);
}
}

The string entered is printed as it is.

The string entered is printed in reverse order.

It will go in an infinite loop.

It will print an empty line.

Answer is:

The string entered is printed in reverse order.

C Programming MCQ with Answers

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

it is assumed to be present and taken to be false

it is assumed to be present and taken to the true

it result in a syntax error

execution will be terminated abruptly

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 ?

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

All of these

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 ++;
}

None of these

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)
{ }

Infinitely

never

once

None of these

Answer is:

Infinitely

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

The string entered is printed in reverse order.

C Programming MCQ with Answers

Related C Programming MCQ with Answers

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

it is assumed to be present and taken to the true

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

All of these

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 ++; }

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) { }

Infinitely

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);
}
}

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 ++;
}

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)
{ }