Chapter 4 ARITHMETIC LOGIC CIRCUITS MCQs 9 min Score: 0 Attempted: 0/9 Subscribe 1. . Half adder circuit requires two binary: (A) both a & b (B) outputs (C) Digits (D) inputsShow All Answers 2. . The most significant bit of arithmetic addition is: (A) overflow (B) output (C) carry (D) Zero bitShow All Answers 3. . Two bit addition is done by: (A) Half adder (B) Full adder (C) Half subtractor (D) NoneShow All Answers 4. . If A and B are the inputs of a half adder, the carry is given by: (A) A OR B (B) A AND B (C) A XOR B (D) A EX-NOR BShow All Answers 5. . How many AND, OR and EXOR gates are required for configuration of full adder: (A) 1, 2, 2 (B) 2, 1, 2 (C) 3, 1, 2 (D) 4, 0, 1Show All Answers 6. . Half subtractor is used to perform subtraction of: (A) 3 bits (B) 2 bits (C) 4 bits (D) 5 bitsShow All Answers 7. . Full subtractor is used to perform subtraction of: (A) 2 bits (B) 3 bits (C) 4 bits (D) 5 bitsShow All Answers 8. . Let A and B be the inputs of a subtractor, then the borrow will be: (A) A AND B’ (B) A AND B (C) A OR B (D) A’ AND BShow All Answers 9. . If input of subtractor is A and B, then what will be the output if A = B? (A) 0 (B) 1 (C) A (D) BShow All Answers
