Punjab 9th Class Computer Model Paper 6 MCQs Test Online Punjab 9th Class Computer Model Paper 6 MCQs Test Online 123456789101112131415161718192021222324252627282930Show paginator Hide paginator Question 1 of 30Computer Science 1. In Boolean algebra A + A is equal to = 1.A 2.O 3.1 4.+Question 1 of 30Question 2 of 30 2. The most important application of Boolean algebra is in: 1.Computer Software 2.Digital Logic 3.Natural Science 4.System Software Question 2 of 30Question 3 of 30 3. In Boolean algebra______ A.A is equal to: 1.A 2.0 3.O 4.1 Question 3 of 30Question 4 of 30 4. Logical state can be only _____ or a 0: 1.0 2.2 3.1 4.3 Question 4 of 30Question 5 of 30 5. In Boolean algebra ____A.B is equal to: 1.A 2.1 3.B 4.0 Question 5 of 30Question 6 of 30 6. In Boolean algebra______ x + x is equal to : 1.3 2.1 3.0 4.2 Question 6 of 30Question 7 of 30 7. When was Boolean algebra introduced? 1.1947 2.1922 3.19424.1847 Question 7 of 30Question 8 of 30 8. In Boolean algebra the identity element with respect to Dot (.) is equal to? 1.0 2.– 3.1 4.+ Question 8 of 30Question 9 of 30 9. The idempotent law states that for two variables x and y. 1.x.x=x and x+x=x 2.x = x 3.x+x.y=x+y and x.(x+y) 4.None of these Question 9 of 30Question 10 of 30 10. K-Map is used to: 1.Simplify a Boolean expression 2.Both a and b 3.None of above4.Evaluate a Boolean expression Question 10 of 30Question 11 of 30 11. Which of the following is a proposition? 1.None of these 2.What is your father? 3.Are you male? 4.What is your name? Question 11 of 30Question 12 of 30 12. System of involution is: 1.xy 2.x . y 3.x + y 4.x Question 12 of 30Question 13 of 30 13. The absorption law states that for two variables x and y. 1.x.x=x and y.y = y 2.x+x.y=x.+y and x.(x+y)=x 3.x.y=y.x 4.None of these Question 13 of 30Question 14 of 30 14. A Boolean Function with 3 variables will have: 1.8 maxterms 2.16 maxterms3.4 maxterms 4.2 maxterms Question 14 of 30Question 15 of 30 15. In Boolean algebra AND operator is denoted as: 1.. 2.+ 3.* 4.– Question 15 of 30Question 16 of 30 16. Boolean algebra deals with: 1.Hexadecimal Digits 2.Decimal Digits 3.Binary Digits 4.Octal Digits Question 16 of 30Question 17 of 30 17. Which of the following logical operator is denoted by + sign? 1.NOR 2.OR 3.AND 4.NOTQuestion 17 of 30Question 18 of 30 18. OR operator of Boolean algebra is denoted by: 1.* 2.– 3.. 4.+ Question 18 of 30Question 19 of 30 19. K-map with 3 variables: 1.2 cells 2.16 cells 3.8 cells 4.4 cells Question 19 of 30Question 20 of 30 20. In Boolean algebra, A+1=? 1.x 2.1 3.0 4.A Question 20 of 30Question 21 of 30 21. The additive identity element is: 1.0 2.‘,’ 3.‘+’4.1 Question 21 of 30Question 22 of 30 22. Demorgan’s Law states that: 1.a + (b+c) = (a+b)+c 2.a+b = a.b 3.a (b + c) = a.b+a.c 4.None of aboveQuestion 22 of 30Question 23 of 30 23. In Boolean algebra A.1 is equal to: 1.A 2.B 3.1 4.0 Question 23 of 30Question 24 of 30 24. Who established another method for simplifying a Boolean expression? 1.Pascal 2.Maurice Karnaugh3.Charles Babbage 4.George Boolean Question 24 of 30Question 25 of 30 25. Who developed Boolean algebra? 1.Dennis Retchie 2.Von Neuman 3.George Boole 4.Chales Babbage Question 25 of 30Question 26 of 30 26. With n variables, we can construct minterms. 1.2¹ 2.3³3.2⁰ 4.2ⁿ Question 26 of 30Question 27 of 30 27. In Boolean algebra _____¬ A+0 is equal to: 1.B2.0 3.A 4.1 Question 27 of 30Question 28 of 30 28. In the Boolean equation x = A-B the term AB is read as: 1.Logical 0 and 1 2.A or B 3.Multiplied 4.AND Question 28 of 30Question 29 of 30 29. How many maxterms are in Boolean Function with four variables? 1.16 2.08 3.24 4.32 Question 29 of 30Question 30 of 30 30. Boolean algebra has exactly the same structure as: 1.Ordinary Algebra 2.None of these 3.Mathematical Calculus 4.Propositional Calculus Question 30 of 30 Loading... Test By Subject Punjab Test By Topics 9th Class Computer You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.