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Question 1 of 30

Computer Science

1. In Boolean algebra A + A is equal to =

1.1

2.O

3.+

4.A

Question 1 of 30

Question 2 of 30

2. In Boolean algebra AND operator is denoted as:

1.–

2.+

3.*

4..

Question 2 of 30

Question 3 of 30

3. Boolean algebra deals with:

1.Decimal Digits

2.Binary Digits

3.Hexadecimal Digits

4.Octal Digits

Question 3 of 30

Question 4 of 30

4. K-Map is used to:

1.Evaluate a Boolean expression

2.None of above

3.Simplify a Boolean expression

4.Both a and b

Question 4 of 30

Question 5 of 30

5. In Boolean algebra the identity element with respect to Dot (.) is equal to?

1.–

2.+

3.0

4.1

Question 5 of 30

Question 6 of 30

6. With n variables, we can construct minterms.

1.2ⁿ

2.3³

3.2¹

4.2⁰

Question 6 of 30

Question 7 of 30

7. In the Boolean equation x = A-B the term AB is read as:

1.Multiplied

2.Logical 0 and 1

3.AND

4.A or B

Question 7 of 30

Question 8 of 30

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

1.32

2.16

3.08

4.24

Question 8 of 30

Question 9 of 30

9. In Boolean algebra______ x + x is equal to :

1.1

2.2

3.3

4.0

Question 9 of 30

Question 10 of 30

10. Boolean algebra has exactly the same structure as:

1.Mathematical Calculus

2.Propositional Calculus

3.None of these

4.Ordinary Algebra

Question 10 of 30

Question 11 of 30

11. Who established another method for simplifying a Boolean expression?

1.Pascal

2.George Boolean

3.Charles Babbage

4.Maurice Karnaugh

Question 11 of 30

Question 12 of 30

12. In Boolean algebra, A+1=?

1.1

2.0

3.A

4.x

Question 12 of 30

Question 13 of 30

13. Which of the following logical operator is denoted by + sign?

1.NOT

2.NOR

3.AND

4.OR

Question 13 of 30

Question 14 of 30

14. The most important application of Boolean algebra is in:

1.Natural Science

2.Computer Software

3.System Software

4.Digital Logic

Question 14 of 30

Question 15 of 30

15. The additive identity element is:

1.0

2.1

3.‘+’

4.‘,’

Question 15 of 30

Question 16 of 30

16. Demorgan’s Law states that:

1.a + (b+c) = (a+b)+c

2.a (b + c) = a.b+a.c

3.a+b = a.b

4.None of above

Question 16 of 30

Question 17 of 30

17. In Boolean algebra _____¬ A+0 is equal to:

1.1

2.A

3.B

4.0

Question 17 of 30

Question 18 of 30

18. System of involution is:

1.xy

2.x . y

3.x + y

4.x

Question 18 of 30

Question 19 of 30

19. Which of the following is a proposition?

1.Are you male?

2.None of these

3.What is your name?

4.What is your father?

Question 19 of 30

Question 20 of 30

20. K-map with 3 variables:

1.16 cells

2.2 cells

3.8 cells

4.4 cells

Question 20 of 30

Question 21 of 30

21. The idempotent law states that for two variables x and y.

1.x.x=x and x+x=x

2.x = x

3.None of these

4.x+x.y=x+y and x.(x+y)

Question 21 of 30

Question 22 of 30

22. When was Boolean algebra introduced?

1.1942

2.1947

3.1922

4.1847

Question 22 of 30

Question 23 of 30

23. In Boolean algebra ____A.B is equal to:

1.A

2.B

3.0

4.1

Question 23 of 30

Question 24 of 30

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

1.None of these

2.x.x=x and y.y = y

3.x.y=y.x

4.x+x.y=x.+y and x.(x+y)=x

Question 24 of 30

Question 25 of 30

25. Logical state can be only _____ or a 0:

1.2

2.0

3.3

4.1

Question 25 of 30

Question 26 of 30

26. OR operator of Boolean algebra is denoted by:

1.–

2..

3.+

4.*

Question 26 of 30

Question 27 of 30

27. In Boolean algebra______ A.A is equal to:

1.0

2.O

3.A

4.1

Question 27 of 30

Question 28 of 30

28. A Boolean Function with 3 variables will have:

1.4 maxterms

2.16 maxterms

3.2 maxterms

4.8 maxterms

Question 28 of 30

Question 29 of 30

29. In Boolean algebra A.1 is equal to:

1.0

2.A

3.1

4.B

Question 29 of 30

Question 30 of 30

30. Who developed Boolean algebra?

1.Chales Babbage

2.Von Neuman

3.Dennis Retchie

4.George Boole

Question 30 of 30

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Punjab 9th Class Computer Model Paper 6 MCQs Test Online

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Punjab 9th Class Computer Model Paper 6 MCQs Test Online