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

 Total Question 30 Questions Total Marks 60 Marks Total Time 30 Minuts
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### 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. Who developed Boolean algebra?
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Question 1 of 30

Question 2 of 30

2. System of involution is:
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Question 2 of 30

Question 3 of 30

3. In Boolean algebra, A+1=?
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Question 3 of 30

Question 4 of 30

4. Boolean algebra has exactly the same structure as:
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Question 4 of 30

Question 5 of 30

5. Which of the following logical operator is denoted by + sign?
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Question 5 of 30

Question 6 of 30

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

Question 6 of 30

Question 7 of 30

7. The idempotent law states that for two variables x and y.
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Question 7 of 30

Question 8 of 30

8. How many maxterms are in Boolean Function with four variables?
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Question 8 of 30

Question 9 of 30

9. Boolean algebra deals with:

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Question 9 of 30

Question 10 of 30

10. In Boolean algebra _____¬ A+0 is equal to:
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Question 10 of 30

Question 11 of 30

11. Demorgan’s Law states that:
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Question 12 of 30

12. When was Boolean algebra introduced?
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Question 13 of 30

13. The additive identity element is:
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Question 14 of 30

14. In the Boolean equation x = A-B the term AB is read as:
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Question 14 of 30

Question 15 of 30

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

Question 15 of 30

Question 16 of 30

16. A Boolean Function with 3 variables will have:
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Question 16 of 30

Question 17 of 30

17. K-map with 3 variables:
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4.

Question 17 of 30

Question 18 of 30

18. In Boolean algebra______ A.A is equal to:
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3.
4.

Question 18 of 30

Question 19 of 30

19. Logical state can be only _____ or a 0:
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Question 19 of 30

Question 20 of 30

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

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Question 21 of 30

21. The most important application of Boolean algebra is in:
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Question 22 of 30

22. In Boolean algebra AND operator is denoted as:
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Question 23 of 30

23. Which of the following is a proposition?
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Question 24 of 30

24. The absorption law states that for two variables x and y.
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4.

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Question 25 of 30

25. With n variables, we can construct minterms.
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Question 26 of 30

26. OR operator of Boolean algebra is denoted by:
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4.

Question 26 of 30

Question 27 of 30

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

Question 27 of 30

Question 28 of 30

28. Who established another method for simplifying a Boolean expression?
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Question 28 of 30

Question 29 of 30

29. K-Map is used to:
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2.
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4.

Question 29 of 30

Question 30 of 30

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

Question 30 of 30

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