Digital Logic - Sequential Circuits

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41:   In a ripple counter using edge triggered JK flfp-flops, the pulse input is applied to the

A.	clock input of all flip-flops
B.	clock input of one flip-flops
C.	J and K inputs of all flip-flops
D.	J and K inputs of one flip-flop
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	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

42:   The number of clock pulses needed to shift one byte of data from input to the output of a 4-bit shift register is

A.	10
B.	12
C.	16
D.	32
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

43:   The main difference between JK and RS flip-flop is that

A.	JK flip flop needs a clock pulse
B.	There is a feedback in JK lip-lop
C.	JK flip-flop accepts both inputs as 1
D.	JK flip-flop is acronym of Junction cathode multivibrator
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

44:   Which of the following unit will choose to transform decimal number to binary code ?

A.	Encoder
B.	Decoder
C.	Multiplexer
D.	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..

45:   The flip-flops which operate in synchronism with external clock pulses are known as

A.	Synchronous flip-flop
B.	Asynchronous flip-flop
C.	Either of the above
D.	None of these
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	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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