QUIZ ON : c - LOOPING STATEMENTS

LOOPING STATEMENTS

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Question No# : 01 out of 19

Which of the following is the correct syntax for a for loop in C?

A. for (int i = 0; i < 10; i++)

B. for i = 0 to 10 step 1

C. for (i = 0; i < 10; i++)

D. for (i < 10; i++)

Question No# : 02 out of 19

Which loop is most suitable to first perform the operation and then test the condition?

A. For loop

B. While loop

C. do-while loop

D. None of the mentioned

Question No# : 03 out of 19

The do..while looping statement

A. is executed only once if the conditions is true

B. is also known as entry-controlled loop

C. is executed at least once if the conditions is false

D. the unconditional loop

Question No# : 04 out of 19

Which of the following loops in C is guaranteed to execute at least once?

A. for loop

B. while loop

C. do-while loop

D. None of the above

Question No# : 05 out of 19

Which code will print k 20 times?

A. for (i=1; i < 20; i++) printf ("k");

B. for (i=1; i = 20; i++) printf ("k");

C. for (i=0; i < 20; i++) printf ("k");

D. for (i=0; i <= 20; i++) printf ("k");

Question No# : 06 out of 19

How many times will the following loop execute?<pre>int j; for(j = 1; j <= 10; j = j-1) printf("INFOMAX");</pre>

A. Forever

B. Never

C. 0

D. 10

Question No# : 07 out of 19

The loop in which the statements within the loop are executed at least once is called

A. do-while

B. while

C. for

D. goto

Question No# : 08 out of 19

Which of the following loops in C is guaranteed to execute at least once?

A. for loop

B. while loop

C. do-while loop

D. none of the above

Question No# : 09 out of 19

What is the final value of x when the code is executed?<pre>int x; for(x=0; x<10; x++) {} </pre>

A. 10

B. 9

C. 0

D. 1

Question No# : 10 out of 19

Which of the following is an exit controlled loop?

A. for loop

B. while loop

C. do-while loop

D. None of the above

Question No# : 11 out of 19

How many times is a do while loop guaranteed to loop?

A. 0

B. Infinitely

C. 1

D. Variable

Question No# : 12 out of 19

The do…while looping statement

A. is executed only once if the condition is true.

B. is also known as entry-controlled loop.

C. is executed at least once if the condition is false.

D. is unconditional looping statement..

Question No# : 13 out of 19

Which of the following is not an iterative statement?

A. switch

B. while

C. do while

D. for

Question No# : 14 out of 19

What will be the output of following program? <pre>int main() { for(int c=1;c<5;++c); printf(“%d”,c); }</pre>

A. 1

B. 5

C. 6

D. 12345

Question No# : 15 out of 19

How many times is a do while loop guaranteed to loop?

A. 0

B. Infinitely

C. 1

D. Variable

Question No# : 16 out of 19

Which is not a loop structure?

A. For

B. Do while

C. do For

D. While

Question No# : 17 out of 19

A programming construct in which a set of statement in a computer program can be executed repeatedly.

A. Loop statement

B. Conditional Statement

C. Block Statement

D. All of the above

Question No# : 18 out of 19

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

A. it is assumed to be present and taken to be false

B. it is assumed to be present and taken to the true

C. it result in a syntax error

D. execution will be terminated abruptly

Question No# : 19 out of 19

The following code ‘for(;;)’ represents an infinite loop. It can be terminated by.

A. break

B. exit(0)

C. abort()

D. All of the mentioned