81. The output frequency of a decode counter, which is clocked from a 50 kHz signal is—
    

1. 1. 5 kHz
      

   
   
   

   2. 50 kHz
      

   
   
   

   3. 500 kHz
      

   
   
   

   4. 5000 kHz

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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82. ABCD counter has—
    

1. 1. 3 distinct states
      

   
   
   

   2. 8 distinct states
      

   
   
   

   3. 10 distinct states
      

   
   
   

   4. 16 distinct states

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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83. The number of flip-flops required for a MOD-16 ring counter are—
    

1. 1. 4 flip-flops
      

   
   
   

   2. 8 flip-flops
      

   
   
   

   3. 10 flip-flops
      

   
   
   

   4. 16 flip-flops

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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84. A MOD-5 synchronous counter is desigend using JK flipflops. The number of counts skipped by it will be—
    

1. 1. 2
      

   
   
   

   2. 3
      

   
   
   

   3. 5
      

   
   
   

   4. 0
      

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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85. Consider the following statements: A multiplexer
    1. Selects one of the several inputs and transmits it to a single output.
    2. Routes the data from a single input to one of many outputs
    3. Converts parallel data into serial data
    4. Is a combinational circuit
    Which of these statements are correct?
    

1. 1. 1, 2 and 4
      

   
   
   

   2. 2, 3 and 4
      

   
   
   

   3. 1, 3 and 4
      

   
   
   

   4. 1, 2 and 3 Answers with Explanatory
      

   
   
   

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   A multiplexer
   ● Selects one of the several inputs and transmits it to a single output.
   ● Converts parallel data into serial data.
   ● Is a combinational circuit.

   Correct Option: C

   A multiplexer
   ● Selects one of the several inputs and transmits it to a single output.
   ● Converts parallel data into serial data.
   ● Is a combinational circuit.

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