12th Class Computer Science MCQS Chapter 12

The loop which never ends is called:

Nested loop

Infinite loop

Continuous loop

Running loop

What is the value of “a” after the execution of the following code?
int a = 25;
for(int c=0; c<4;c++)
a=a-1;
a=1+3;

23

25

20

24

The body of while loop with multiple statements ends with:

Right bracket ]

Semi colon ;

Right brace }

Comma ,

When is for loop more appropriate then while loop?

The number of iterations is not known in advance

The termination condition is known in advance

The loop should be executed at least once

The loop should be executed only once

The loop structure that executes at least ones is

For

All

Do-while

While

Which of the following loop is called counter loop?

All

Do-while

While

For

This is a control structure that causes a statement or group of statement to repeat:

Duration

Test

Iteration

Decision statement

A counter can be defined as:

The initial value of a loop

The final value of a loop

The step value of a loop

A variable that counts loop iterations

Which loop structure always executes at least once?

Do-while

While

All

For

In which loop the condition comes after the body of the loop?

Do-while loop

B and C

While loop

For loop