Home / Arithmetic Circuits – 1 – 2

Arithmetic Circuits – 1 – 2

 

6. It is used to subtract two inputs having more than one bit :

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

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

7. BCD-to-Excess-3 Code Conversion is a example of a _________.

(a) 2- bit Parallel Adder 
(b) 4-bit Parallel Adder 
(c) Sum-of-Products 
(d) Products-of-Sum

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

8. The gates required to build a half adder are :

(a) EX-OR gate and NOR gate
(b) EX-OR gate and OR gate
(c) EX-OR gate and AND gate
(d) Four NAND gates

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

9. A full adder logic circuit will have :

(a) Two inputs and one output
(b) Three inputs and three outputs
(c) Two inputs and two outputs
(d) Three inputs and two outputs

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

10. The fast carry or look-ahead carry circuits found in most 4-bit parallel-adder circuits :

(a) add a 1 to complemented inputs
(b) increase ripple delay
(c) reduce propagation delay
(d) determine sign and magnitude

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

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