Classical

Digital Logic - Sequential Circuits

46:   Which of the following flip-flop is free from race-around problem ?
A. Q flip-flop
B. T flip-flop
C. SR flip-flop
D. Master-slave JK flip-flop
 
 

Option: D

Explanation :

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47:  

If the input J is connected through K input of J-K, then flip-flop will behave as a

A.

D type flip-flop

B.

T type flip-flop

C.

S-R flip-flop

D.

Master slave JK flip-flop

 
 

Option: B

Explanation :

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48:   If a clock with time period 'T' is used with n stage shift register, then output of final stage will be delayed by
A. nT sec
B. (n-1)T sec
C. n/T sec
D. (2n+1)T sec
 
 

Option: B

Explanation :

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49:   Register is a
A. set of capacitor used to register input instructions in a digital computer
B. set to paper tapes and cards put in a file
C. temporary storage unit within the CPU having dedicated or general purpose use
D. part of the main memory
 
 

Option: C

Explanation :

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50:   The number of flip-flops required in a decade counter is
A. 3
B. 4
C. 8
D. 10
 
 

Option: B

Explanation :

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