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Combinational Circuits – 1 – 2

6. A multiplexer is a logic circuit that :

(a) accepts one input and gives several outputs
(b) accepts many inputs and gives many outputs
(c)  accepts many inputs and give one output
(d) accepts one input and give one output

Answer
Answer : (c)

Explanation
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7. A demultiplexer is a logic circuit that :

(a) accepts one input and gives several outputs
(b) accepts many inputs and gives many outputs
(c)  accepts many inputs and give one output
(d) accepts one input and give one output

Answer
Answer : (a)

Explanation
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8. A multiplexer is also known as :

(a) encoder
(b) decoder
(c) data selector
(d) data distributor 

Answer
Answer : (c)

Explanation
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9. A demultiplexer is also known as :

(a) encoder
(b) decoder
(c) data selector
(d) data distributor 

Answer
Answer : (d)

Explanation
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10. A digital multiplexer is a/an :

(a) combinational circuit
(b) sequential circuit
(c)  memory device
(d) none of these

Answer
Answer : (a)

Explanation
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