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# Punjab 9th Class Computer Model Paper 6 MCQs Test Online

 Total Question 30 Questions Total Marks 60 Marks Total Time 30 Minuts
 Test Help For :: 9th Class Promotion Test Computer Test For Entry Test Scholarship Test Admission Test Competitive Exams All Punjab Boards Annual Exams

### Test Name

 Computer Model Paper 6

### Subject

 Computer (9th Class)

 MCQs

# Punjab 9th Class Computer Model Paper 6 MCQs Test Online

Question 1 of 30

## Computer Science

1. Logical state can be only _____ or a 0:
1.
2.
3.
4.

Question 1 of 30

Question 2 of 30

2. In Boolean algebra A.1 is equal to:
1.
2.
3.
4.

Question 2 of 30

Question 3 of 30

3. In Boolean algebra A + A is equal to =
1.
2.
3.
4.

Question 3 of 30

Question 4 of 30

4. Which of the following logical operator is denoted by + sign?
1.
2.
3.
4.

Question 4 of 30

Question 5 of 30

5. System of involution is:
1.
2.
3.
4.

Question 5 of 30

Question 6 of 30

6. Who established another method for simplifying a Boolean expression?
1.
2.
3.
4.

Question 6 of 30

Question 7 of 30

7. In Boolean algebra _____¬ A+0 is equal to:
1.
2.
3.
4.

Question 7 of 30

Question 8 of 30

8. In Boolean algebra______ A.A is equal to:
1.
2.
3.
4.

Question 8 of 30

Question 9 of 30

9. Which of the following is a proposition?
1.
2.
3.
4.

Question 9 of 30

Question 10 of 30

10. Boolean algebra has exactly the same structure as:
1.
2.
3.
4.

Question 10 of 30

Question 11 of 30

11. Boolean algebra deals with:

1.
2.
3.
4.

Question 11 of 30

Question 12 of 30

12. When was Boolean algebra introduced?
1.
2.
3.
4.

Question 12 of 30

Question 13 of 30

13. In the Boolean equation x = A-B the term AB is read as:
1.
2.
3.
4.

Question 13 of 30

Question 14 of 30

14. The most important application of Boolean algebra is in:
1.
2.
3.
4.

Question 14 of 30

Question 15 of 30

15. K-Map is used to:
1.
2.
3.
4.

Question 15 of 30

Question 16 of 30

16. How many maxterms are in Boolean Function with four variables?
1.
2.
3.
4.

Question 16 of 30

Question 17 of 30

17. In Boolean algebra ____A.B is equal to:
1.
2.
3.
4.

Question 17 of 30

Question 18 of 30

18. The additive identity element is:
1.
2.
3.
4.

Question 18 of 30

Question 19 of 30

19. The absorption law states that for two variables x and y.
1.
2.
3.
4.

Question 19 of 30

Question 20 of 30

20. With n variables, we can construct minterms.
1.
2.
3.
4.

Question 20 of 30

Question 21 of 30

21. In Boolean algebra, A+1=?
1.
2.
3.
4.

Question 21 of 30

Question 22 of 30

22. Demorgan’s Law states that:
1.
2.
3.
4.

Question 22 of 30

Question 23 of 30

23. OR operator of Boolean algebra is denoted by:
1.
2.
3.
4.

Question 23 of 30

Question 24 of 30

24. In Boolean algebra the identity element with respect to Dot (.) is equal to?
1.
2.
3.
4.

Question 24 of 30

Question 25 of 30

25. K-map with 3 variables:
1.
2.
3.
4.

Question 25 of 30

Question 26 of 30

26. The idempotent law states that for two variables x and y.
1.
2.
3.
4.

Question 26 of 30

Question 27 of 30

27. A Boolean Function with 3 variables will have:
1.
2.
3.
4.

Question 27 of 30

Question 28 of 30

28. In Boolean algebra AND operator is denoted as:
1.
2.
3.
4.

Question 28 of 30

Question 29 of 30

29. Who developed Boolean algebra?
1.
2.
3.
4.

Question 29 of 30

Question 30 of 30

30. In Boolean algebra______ x + x is equal to :
1.
2.
3.
4.

Question 30 of 30

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