Punjab 12th Class Computer Chapter 3 Loops Mcqs Test Online

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Question 1 of 20

Computer Science

1. ; is a

1.Semicolon

2.Colon

3.Exclamation

4.Inverted comma

Question 1 of 20

Question 2 of 20

2. Which of them is another fundamental idea in programming?

1.File

2.Folder

3.Type

4.Loop

Question 2 of 20

Question 3 of 20

3. In a __________ loop, the loop condition is checked at the end of the loop.

1.For

2.Do while

3.Nested loop

4.Loop

Question 3 of 20

Question 4 of 20

4. A single-statement for loop is terminated with a

1.Semicolon

2.Right bracket

3.Comma

4.Right brace

Question 4 of 20

Question 5 of 20

5. ____________ enables us to execute the same sequence of statements or block of statements a number of times.

1.Folder

2.Program

3.Command

4.Loop

Question 5 of 20

Question 6 of 20

6. Control codes are

1.0 ~ 25

2.0 ~ 20

3.0 ~ 31

4.0 ~ 30

Question 6 of 20

Question 7 of 20

7. Usual printing characters are

1.32 ~ 127

2.32 ~ 100

3.0 ~ 130

4.25 ~ 315

Question 7 of 20

Question 8 of 20

8. There are __________ essential elements to a loop

1.Three

2.Five

3.Two

4.Ten

Question 8 of 20

Question 9 of 20

9. A loop within another loop is called ____________.

1.Loop

2.For

3.Nested loop

4.Do while

Question 9 of 20

Question 10 of 20

10. A _________ loop is primarily used for executing a statement or block of statements a predetermined number of times.

1.Loop

2.Do while

3.For

4.Nested loop

Question 10 of 20

Question 11 of 20

11. A while loop is more appropriate than a for loop when:

1.The numbers of times the loop will be executed is known before the loop is executed.

2.The terminating condition occurs unexpectedly

3.The program will be executed at least once

4.The body of the loop will be executed at least once

Question 11 of 20

Question 12 of 20

12. Which of them is refers to the execution of statements in the order in which they appear?

1.None of these

2.Sequential structure

3.Repetition structure

4.Selection structure

Question 12 of 20

Question 13 of 20

13. A multiple-statement while loop is terminated with a

1.Comma

2.Semicolon

3.Right bracket

4.Right brace

Question 13 of 20

Question 14 of 20

14. It because tedious initializing the variable before each loop.

1.While loop

2.Do While loop

3.Loop

4.Nested loop

Question 14 of 20

Question 15 of 20

15. In ASCII table each of the numbers from _________ represents a separate character.

1.0 to 245

2.0 to 215

3.0 to 255

4.0 to 250

Question 15 of 20

Question 16 of 20

16. A do while loop is useful when

1.The body of the loop may never be executed

2.The body of the loop will be executed at least once

3.The body of the loop has a single statement

4.The body of the loop will be never be executed

Question 16 of 20

Question 17 of 20

17. Graphics and foreign language characters are

1.125 ~ 200

2.130 ~ 300

3.128 ~ 255

4.128 ~ 125

Question 17 of 20

Question 18 of 20

18. The statements inside a loop are sometimes called __________ statements.

1.Repetition

2.Conditional

3.Iteration

4.Essential

Question 18 of 20

Question 19 of 20

19. A ___________ enables you to execute the same sequence of statements or block of statements a number of times.

1.Nested loop

2.Do while

3.Loop

4.For

Question 19 of 20

Question 20 of 20

20. In a structured program, the logical flow is governed by _________ basic control structures.

1.Five

2.Two

3.Three

4.Four

Question 20 of 20

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