Arithmetic Circuits – 1 – 1

1. It is a simple computational digital circuit built from logic gates :

(a) Full Adder
(b) Half Adder
(c) Null Adder
(d) None of the above

ANSWER

EXPLANATION

2. In order to add 1111+1101, we require :

(a) One FA and one HA
(b) Two FA and one HA
(c) Two FA and two HA
(d) Three FA and one HA

ANSWER

EXPLANATION

3. A half adder can be used only for adding :

(a) 1s
(b) 2s
(c) 4s
(d)
 8s

ANSWER

EXPLANATION

4. Parallel adder is :

(a) Sequential circuits
(b) Combinational circuits
(c) Either sequential or combinational circuits
(d) None of above

ANSWER

EXPLANATION

5. It is a circuit, which subtracts two inputs each of one bit :

(a) Full Subtractor
(b) Half Subtractor
(c) Full Adder
(d) Half Adder

ANSWER

EXPLANATION

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