Classical

Digital Logic - Sequential Circuits

11:   The clock signals are used in sequential logic circuits to
A. Tell the time of the day
B. Tell how much time has elapsed since the system was turned on
C. Carry parllel data signals
D. Synchronize events in various parts of system
 
 

Option: D

Explanation :


12:   74L5138 chip functions as
A. Decoder/demultiplexer
B. Encoder
C. Multiplexer
D. Demultiplexer
 
 

Option: A

Explanation :


13:   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
A. 0
B. 1
C. 2
D. None of these
 
 

Option: C

Explanation :

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14:   A shift register can be used for
A. Digital delay line
B. Serial to parallel conversion
C. Parallel to serial conversion
D. All of these
 
 

Option: D

Explanation :


15:   Popular application of flip-flop are
A. Transfer register
B. Shift registers
C. Counters
D. All of these
 
 

Option: D

Explanation :




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