This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Computer Science Chapter 6 Boolean Algebra And Logic Gates Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When ordering binary numbers for a Karnaugh Map, which of the following is the correct sequence? A) 00, 01, 11, 10. B) 00, 11, 10, 01. C) 11, 10, 01, 00. D) 00, 01, 10, 11. Show Answer Correct Answer: A) 00, 01, 11, 10. 2. ..... input values will cause an AND logic gate to produce a HIGH output. A) At least one input is HIGH. B) At least one input is LOW. C) All inputs are HIGH. D) All inputs are LOW. Show Answer Correct Answer: C) All inputs are HIGH. 3. What is the output of NOT 1? A) 0. B) 1. C) All the above. D) None of the above. Show Answer Correct Answer: A) 0. 4. 2) A ..... gate gives the output as 1 only if all the inputs signals are 1. A) AND. B) OR. C) EXOR. D) NOR. Show Answer Correct Answer: A) AND. 5. AND gate output is HIGH when A) Any input is HIGH. B) All inputs are HIGH. C) All inputs LOW. D) Any input LOW. Show Answer Correct Answer: B) All inputs are HIGH. 6. True or False:Logic gates allow programmers to create more abstract and complex computer functions. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. What does a half adder circuit do? A) Adds two binary digits and produces a sum and a carry output. B) Subtracts two binary numbers. C) Adds multiple binary numbers at once. D) Performs logical AND and OR operations. Show Answer Correct Answer: A) Adds two binary digits and produces a sum and a carry output. 8. K-map for 3 variables has A) 6 cells. B) 8 cells. C) 12 cells. D) 16 cells. Show Answer Correct Answer: B) 8 cells. 9. In a logic circuit, what does the AND gate represent? A) A parallel circuit. B) A series circuit. C) A short circuit. D) An open circuit. Show Answer Correct Answer: B) A series circuit. 10. What is the result of the code:team = Cowboysif team = Cowboys:print "Dallas is #1" A) Error. B) Cowboys. C) Team. D) Dallas is #1. Show Answer Correct Answer: A) Error. 11. Convert this base 2 number to base 10:10011 A) 19. B) 18. C) 22. D) 20. Show Answer Correct Answer: A) 19. 12. What is the system of notation that represents information using 2 states? A) Binary. B) Decimal. C) ASCII. D) Hexadecimal. Show Answer Correct Answer: A) Binary. 13. Explain the concept of Boolean algebra in digital electronics. A) Boolean algebra is not applicable to digital circuits. B) Boolean algebra in digital electronics involves the manipulation of binary variables using logical operations like AND, OR, and NOT to simplify complex logic circuits and expressions. C) Boolean algebra is used for arithmetic calculations in digital electronics. D) Boolean algebra only involves addition and subtraction operations. Show Answer Correct Answer: B) Boolean algebra in digital electronics involves the manipulation of binary variables using logical operations like AND, OR, and NOT to simplify complex logic circuits and expressions. 14. Evaluate:name = "Andrew"name == "andrew" A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 15. $\overline{A}$ $\overline{B}$ A) $\overline{A+B}$. B) A . B. C) B . A. D) $\overline{A.B}$. Show Answer Correct Answer: A) $\overline{A+B}$. 16. Which of the following is a type of flip-flop? A) SR flip-flop. B) AND flip-flop. C) XOR flip-flop. D) NOR flip-flop. Show Answer Correct Answer: A) SR flip-flop. 17. (1 + A + ~B) = A) A. B) B. C) 1. D) ). E) Pacman. Show Answer Correct Answer: C) 1. 18. Define the Boolean expression for a NOR gate. A) (A + B)'. B) (A B)'. C) A' + B'. D) A' B'. Show Answer Correct Answer: A) (A + B)'. 19. How many different combinations of 1 and 0 are possible with 1 bit? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 20. What is the result of the Boolean expression A + A'? A) 0. B) A. C) 1. D) A'. Show Answer Correct Answer: C) 1. 21. What is the output of a NAND gate when both inputs are 1? A) 0. B) 1. C) Undefined. D) None of the above. Show Answer Correct Answer: A) 0. 22. What does Boolean logic primarily use? A) True and False values. B) Decimal numbers. C) ASCII characters. D) Hexadecimal digits. Show Answer Correct Answer: A) True and False values. 23. For the AND Boolean operation, if one of the inputs is false, the output is ..... A) True. B) False. C) Negated. D) Undetermined. Show Answer Correct Answer: B) False. 24. The dual of the expression A + 0 = A is: A) A 1 = A. B) A + 1 = A. C) A 0 = 0. D) A' + 0 = A'. Show Answer Correct Answer: A) A 1 = A. 25. (NOT False) And (True) A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← 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