Digital Logic - Combinational Circuits

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36:   A combinational circuit is one in which the output depends on the

A.	input combination at the time
B.	input combination and the previous output
C.	input combination at that time and the previous input combination
D.	present output and the previous output
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	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

37:   The function of a multiplexer is

A.	to decode information
B.	to select 1 out of N input data sources and to transmit it to single channel
C.	to transit data on N lines
D.	to perform serial to parallel conversion
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	Option: B Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

38:  

A combinational logic circuit which generates a particular binary word or number is

A.	Decoder
B.	Multiplexer
C.	Encoder
D.	Demultiplexer
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	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

39:   Which of the following circuit can be used as parallel to serial converter ?

A.	Multiplexer
B.	Demultiplexer
C.	Decoder
D.	Digital counter
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	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

40:  

In which of the following adder circuits, the carry look ripple delay is eliminated ?

A.	Half adder
B.	Full adder
C.	Parallel adder
D.	Carry-look-ahead adder
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	Option: D Explanation : Click on Discuss to view users comments. alfaz said: (9:53pm on Tuesday 1st October 2013) it should be D option Write your comments here: Updating your Comments.. Updating your Comments..

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