Chapter 2 BINARY ARITHMETIC CIRCUITS MCQs 10 min Score: 0 Attempted: 0/10 Subscribe 1. A full adder has (A) 3-inputs, 2-outputs (B) 2-inputs, 3-outputs (C) 2-inputs, 2-outputs (D) 3-inputs, 3-outputsShow All Answers 2. A logic circuit which adds only 2-bits is called (A) Half Adder (B) Full Adder (C) Parallel Adder (D) Both a & bShow All Answers 3. If inputs to a half adder are A = 1 and B = 1, then outputs are (A) ∑ = 1, Co = 0 (B) ∑ = 1, Co = 1 (C) ∑ = 0, Co = 0 (D) ∑ = 0, Co = 1Show All Answers 4. A full adder consists of (A) Two half adders and one OR gate (B) Two XOR gates (C) Two AND gates (D) Both a & cShow All Answers 5. A half adder consists of (A) XOR and AND gate (B) AND and NOT gate (C) XOR and OR gate (D) OR and AND gateShow All Answers 6. If inputs to a full adder are A = 1, B = 1, and Cin = 0, then outputs are (A) ∑ = 1, Co = 0 (B) ∑ = 1, Co = 1 (C) ∑ = 0, Co = 1 (D) ∑ = 0, Co = 0Show All Answers 7. A half adder has (A) 3-inputs, 2-outputs (B) 2-inputs, 3-outputs (C) 2-inputs, 2-outputs (D) 3-inputs, 3-outputsShow All Answers 8. A logic circuit which adds 3-bits is called (A) Half Adder (B) Parallel Adder (C) Full Adder (D) Both a & bShow All Answers 9. In half subtractor, logic gate is used for borrow. (A) XOR (B) OR (C) NAND (D) ANDShow All Answers 10. A logic circuit that accepts the carry input. (A) Comparator (B) Half Adder (C) Subtractor (D) Full AdderShow All Answers
