136. Match each of the items a, b and c on the left with an approximate item on the right—
     

     (a) A shift register can be used	(1) for code conversion
     (b) A multiplexer can be used	(2) to generate memory chip to select
     (c) A decoder can be used	(3) for parallel-to-serial conversion
     	(4) as a many to one switch
     	(5) for analog to digital conversion

1. 1. (a) (b) (c)
        1   2   3

   
   
   

   2. (a) (b) (c)
        3   4   2

   
   
   

   3. (a) (b) (c)
        5  4   2

   
   
   

   4. (a) (b) (c)
        1  3  5

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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137. CMOS logic consists of—

1. 1. only n-channel MOS devices

   
   
   

   2. only p-channel MOS devices

   
   
   

   3. equal number of n-channel and p-channel MOS devices

   
   
   

   4. None of these

   
   
   

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   CMOS logic consists of equal no. of p-channel and n-channel devices.

   Correct Option: C

   CMOS logic consists of equal no. of p-channel and n-channel devices.

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138. Resistor free logic gate family—
     

1. 1. CMOS
      

   
   
   

   2. TTL
      

   
   
   

   3. ECL
      

   
   
   

   4. HTL

   
   
   

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   NA

   Correct Option: A

   NA

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139. An IC containing more than 100000 gates will be designated as—

1. 1. LSI

   
   
   

   2. VLSI

   
   
   

   3. ULSI

   
   
   

   4. MSI

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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140. Which of the following parameters is not specified for digital ICs?

1. 1. Bandwidth

   
   
   

   2. Noise margin

   
   
   

   3. Power dissipation

   
   
   

   4. Propagation delay

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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