This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Simplify the Boolean function x(x'+y) to a minimum number of literals. A) Xx'. B) Xy. C) Xy'. D) X'y'. Show Answer Correct Answer: B) Xy. 2. James tells his friend that he is coming to the party. If his friend believes the opposite of what James says, what is the result of the expression:NOT (True)? A) True. B) False. C) Undefined. D) Both true and false. Show Answer Correct Answer: B) False. 3. Is 4 > 5 A) True. B) False. C) Not sure. D) None of the above. Show Answer Correct Answer: B) False. 4. What are NAND and NOR gates known as? A) Universal Gates. B) Basic Gates. C) Complex Gates. D) None of the above. Show Answer Correct Answer: A) Universal Gates. 5. NAND can be simplified as A) AND followed by OR. B) OR followed by AND. C) AND followed by NOT. D) OR followed by NOT. Show Answer Correct Answer: C) AND followed by NOT. 6. What are the basic logic gates used in digital electronics? A) NOR. B) XAND. C) XOR. D) AND, OR, NOT, NAND, NOR, XOR, XNOR. E) AND. Show Answer Correct Answer: D) AND, OR, NOT, NAND, NOR, XOR, XNOR. 7. What does the output of a NAND gate become when all inputs are 1? A) 1. B) 0. C) Undefined. D) A. Show Answer Correct Answer: B) 0. 8. According to the DeMorgan laws, the complement of a product of variables is equal to A) The complement of the sum. B) The sum of the complements. C) The product of the complement. D) None of these. Show Answer Correct Answer: B) The sum of the complements. 9. Ethan, Scarlett, and Nora are at a traffic signal. What should they do if the signal light is not red? A) Go ahead. B) Stop. C) Check for peanuts. D) Compare values. Show Answer Correct Answer: A) Go ahead. 10. Which operator has the lowest priority? A) AND. B) NOT. C) NOR. D) OR. Show Answer Correct Answer: D) OR. 11. What does binary representation rely on? A) Only two states of electricity. B) The use of decimal systems. C) Complex electrical circuits. D) Multiple states of electricity. Show Answer Correct Answer: A) Only two states of electricity. 12. What does a logic gate do? A) Increases the speed of computations. B) Stores data in memory. C) Controls the flow of electricity. D) Converts binary to decimal. Show Answer Correct Answer: C) Controls the flow of electricity. 13. A variable that can only have two values, True or False. A) Boolean. B) If. C) Elif. D) Else. Show Answer Correct Answer: A) Boolean. 14. Boolean algebra is based on A) Arithmetic rules. B) Logic operations. C) Calculus. D) Algebraic equations. Show Answer Correct Answer: B) Logic operations. 15. Is 6 >= 6 A) True. B) False. C) Not sure. D) None of the above. Show Answer Correct Answer: A) True. 16. 8 > 3 A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. Describe a real-world application of Boolean logic. A) Boolean logic is used in cooking recipes to determine ingredient combinations. B) Search engines use Boolean logic to refine search results. C) Social media platforms apply Boolean logic to filter friend requests. D) Boolean logic is utilized in weather forecasting to predict climate changes. Show Answer Correct Answer: B) Search engines use Boolean logic to refine search results. 18. X + (X . Y) = X, Identify the boolean law: A) Commutative. B) Absorption. C) Distributive. D) Associative. Show Answer Correct Answer: B) Absorption. 19. Explain the concept of a logic circuit. A) A logic circuit is designed to process decimal numbers for arithmetic operations. B) A logic circuit processes binary inputs through logic gates to produce a binary output. C) A logic circuit uses analog signals to produce continuous outputs. D) A logic circuit is a type of mechanical device that operates on gears. Show Answer Correct Answer: B) A logic circuit processes binary inputs through logic gates to produce a binary output. 20. Which logic gate outputs 0 only when all inputs are 1? A) AND gate. B) OR gate. C) NOR gate. D) NAND gate. Show Answer Correct Answer: D) NAND gate. 21. What happens when a logic circuit is simplified using a Karnaugh Map? A) The number of logic gates is reduced. B) The circuit becomes more complex. C) Additional logic gates are required. D) It produces a completely new output. Show Answer Correct Answer: A) The number of logic gates is reduced. 22. The dual of the switching expression (X + (Y . 1)) + (Z + 0) is A) (X . (Y + 0)) . (Z . 1). B) (X . (Y + 1)) . (Z . 0). C) (X + (Y + 0)) . (Z + 1). D) None of these. Show Answer Correct Answer: A) (X . (Y + 0)) . (Z . 1). 23. A boolean is ..... A) A whole number. B) A number with a decimal part. C) Letters, numbers or punctuation. D) True or False. Show Answer Correct Answer: D) True or False. 24. Hannah and Aiden are working together on a project. If both Hannah and Aiden complete their tasks, will the project be marked as complete? A) True. B) False. C) Undefined. D) Both true and false. Show Answer Correct Answer: A) True. 25. Which inputs does an SR flip-flop have? A) Set (S) and Reset (R). B) Clock (C) and Data (D). C) Enable (E) and Reset (R). D) Input (I) and Output (O). Show Answer Correct Answer: A) Set (S) and Reset (R). ← PreviousNext →Related QuizzesClass 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates Quiz 1Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates Quiz 2Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates Quiz 3Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates Quiz 4Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates Quiz 5Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates Quiz 6Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates Quiz 7Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates Quiz 8Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates Quiz 9Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books