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Computer Science Set-1
Digital Logic
136

Digital Logic MCQ with Answers

136) The dynamic hazard problem occurs in

Combinational circuit alone

Sequential circuit only

Both 1) Combinational circuit alone and 2) Sequential circuit only

None of these

Answer is:

Both 1) Combinational circuit alone and 2) Sequential circuit only

Digital Logic MCQ with Answers

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Related Digital Logic MCQ with Answers

137) A n-stage ripple counter will count up to

2n

2n-1

n

2n-1

Answer is:

2n

138) The clock signals are used in sequential logic circuits to

Tell the time of the day

Tell how much time has elapsed since the system was turned on

Carry parallel data signals

Synchronize events in various parts of system

Answer is:

Synchronize events in various parts of system

139) 74L5138 chip functions as

Decoder/demultiplexer

Encoder

Multiplexer

Demultiplexer

Answer is:

Decoder/demultiplexer

140) A sequential circuit outputs a ONE when an even number (> 0) of one ′s are input; otherwise the output is ZERO. The minimum number of states required is

0

1

2

None of these

Answer is:

2

Digital Logic MCQ with Answers

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