201. The following configuration provides—
     
     
     

1. 1. Master Slave action

   
   
   

   2. Delay gate

   
   
   

   3. Toggle switch

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   The given configuration
   Given, J = K = input.
   Means T flip-flop which acts as toggle switch.

   
   

   Correct Option: C

   The given configuration
   Given, J = K = input.
   Means T flip-flop which acts as toggle switch.

   
   

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202. The characteristic equation of an SR flip-flop is given by—

1. 1. Q_n+1 = S + R Q_n

   
   
   

   2. Q_n+1 = R Q_n + SQ_n

   
   
   

   3. Q_n+1 = S + RQ_n

   
   
   

   4. Q_n+1 = S + RQ_n

   
   
   

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1. View Hint View Answer Discuss in Forum

   The characteristic equation of SR flip-flop is given by Q_n+1 = S + RQ_n

   Correct Option: C

   The characteristic equation of SR flip-flop is given by Q_n+1 = S + RQ_n

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203. Sequential circuits contains—

1. 1. No memory element

   
   
   

   2. Atleast one memory element

   
   
   

   3. All inputs applied simultaneously

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   Sequential circuit contains at least one memory element.

   Correct Option: B

   Sequential circuit contains at least one memory element.

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204. In sequential circuit the output state depend upon—

1. 1. Past input states

   
   
   

   2. Present input states

   
   
   

   3. Present as well as past input

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   In sequential circuit the output state depends upon present as well as past input.

   Correct Option: C

   In sequential circuit the output state depends upon present as well as past input.

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205. A cascade arrangement of four stages of BCD counters can be used to count a maximum of—
     

1. 1. 1111 pulses
      

   
   
   

   2. 111111111111111 pulses
      

   
   
   

   3. 1001100110011001 pulses
      

   
   
   

   4. 9999 pulses

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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