This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates Quiz 22 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Choose 2 forms of Boolean expression A) SOP and POS. B) Combination and multiples. C) AND and OR gate. D) Input of A and B. Show Answer Correct Answer: A) SOP and POS. 2. Which additional gate(s) are required to build a full adder in addition to those in a half adder? A) XOR and OR. B) NOR and XOR. C) NAND and NOR. D) NOT and AND. Show Answer Correct Answer: A) XOR and OR. 3. 6 < 7 && 6 > 7 A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 4. Boolean algebra is define as mathematical expression of ..... Fill in the blank with answer. A) Computer system. B) Analog system. C) Digital system. D) Solar system. Show Answer Correct Answer: C) Digital system. 5. Which gate will output a 1 if any of the inputs are 1? A) AND. B) OR. C) NOT. D) None of the above. Show Answer Correct Answer: B) OR. 6. What base does binary use? A) 2. B) 1. C) 16. D) 11. Show Answer Correct Answer: A) 2. 7. What is the correct Boolean expression for a circuit with an OR gate leading into an AND gate, which then leads into a NOT gate? A) D = NOT C AND (A OR B). B) D = (A OR B) AND NOT C. C) D = NOT (A OR B) AND C. D) D = A AND B OR NOT C. Show Answer Correct Answer: A) D = NOT C AND (A OR B). 8. Select the output of a NAND gate when both inputs are 1. A) 0. B) 1. C) 2. D) Undefined. Show Answer Correct Answer: A) 0. 9. Evaluate:18 > 4 and 18 < 20 A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. In Boolean algebra, what is the result of NOT(True)? A) True. B) False. C) Undefined. D) 0. Show Answer Correct Answer: B) False. 11. What is the Boolean expression for a NAND gate? A) NOT(A * B). B) NOT(A + B). C) A * B. D) NOT(A) + NOT(B). Show Answer Correct Answer: A) NOT(A * B). 12. Which logic gate produces an output of 1 only when all inputs are 0? A) NOR. B) AND. C) XOR. D) NAND. Show Answer Correct Answer: A) NOR. 13. What is the principle of redundancy in Boolean algebra? A) Redundancy eliminates the need for simplification in Boolean algebra. B) Redundancy allows for the simplification of Boolean expressions by removing unnecessary variables. C) Redundancy increases the complexity of Boolean expressions. D) Redundancy is used to add more variables to Boolean equations. Show Answer Correct Answer: B) Redundancy allows for the simplification of Boolean expressions by removing unnecessary variables. 14. What is a binary number system? A) A binary number system is a base-2 numeral system that uses only the digits 0 and 1. B) A binary number system is a base-3 numeral system that uses digits 0, 1, and 2. C) A binary number system is a base-10 numeral system that uses digits 0 to 9. D) A binary number system is a hexadecimal system that includes letters A to F. Show Answer Correct Answer: A) A binary number system is a base-2 numeral system that uses only the digits 0 and 1. 15. ( 5-3 ) * 8 >= 16 A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. 5 < 7 AND 6 > 7 A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 17. Boolean values are true or false. Which parameter is a boolean?Rect(left, top, width, height, fill='black', opacity=100, visible=True) A) Left. B) Fill. C) Opacity. D) Visible. Show Answer Correct Answer: D) Visible. 18. If a input signal a=11100 is applicable to a NOT gate, its output signal is A) 00011. B) 01001. C) 00011. D) 1000. Show Answer Correct Answer: A) 00011. 19. Which gate inverts the input? A) AND gate. B) OR gate. C) NOT gate. D) NAND gate. Show Answer Correct Answer: C) NOT gate. 20. For the OR operation ..... A) Only one of the inputs needs to be TRUE for the output to be TRUE. B) One input must be FALSE for the output to be FALSE. C) Both inputs must match for the output to be TRUE. D) None of the above. Show Answer Correct Answer: A) Only one of the inputs needs to be TRUE for the output to be TRUE. 21. A switching function f(A, B, C, D) = A'B'CD+A'BC'D+A'BCD+AB'CD A) $\sigma$m(3, 5, 7, 11). B) $\sigma$m(6, 5, 7, 11). C) $\sigma$m(3, 5, 8, 11). D) $\sigma$m(3, 5, 7, 13). Show Answer Correct Answer: A) $\sigma$m(3, 5, 7, 11). 22. How is Boolean algebra applied in designing digital circuits? A) Boolean algebra is used for simplifying chemical reactions. B) Boolean algebra is applied in designing digital circuits by simplifying and optimizing logic functions. C) Boolean algebra is used for designing mechanical circuits. D) Boolean algebra is applied in designing analog circuits. Show Answer Correct Answer: B) Boolean algebra is applied in designing digital circuits by simplifying and optimizing logic functions. 23. A Half Adder has how many inputs and outputs? A) 2 inputs, 1 output. B) 3 inputs, 2 outputs. C) 2 inputs, 2 outputs. D) 1 input, 1 output. Show Answer Correct Answer: C) 2 inputs, 2 outputs. 24. Name the basic Boolean Operators. A) AND. B) OR. C) NOT. D) All of the above. Show Answer Correct Answer: D) All of the above. 25. Benjamin is learning about how computers work in his technology class. His teacher explains that the foundation for digital logic used in computers was laid by a famous mathematician. Who is this mathematician? A) Isaac Newton. B) George Boole. C) Alan Turing. D) Aristotle. Show Answer Correct Answer: B) George Boole. ← 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