71. I²L is the modified version of—

1. 1. RTL

   
   
   

   2. DTL

   
   
   

   3. TTL

   
   
   

   4. DCTL

   
   
   

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   NA

   Correct Option: D

   NA

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72. HTL is the modified version of …… logic gate family.

1. 1. DCTL

   
   
   

   2. TTL

   
   
   

   3. CMOS

   
   
   

   4. ECL

   
   
   

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   NA

   Correct Option: B

   NA

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73. The figure of merit has minimum value for—

1. 1. I²L

   
   
   

   2. NMOS

   
   
   

   3. ECL

   
   
   

   4. TTL

   
   
   

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   NA

   Correct Option: A

   NA

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74. The number of comparator carried out in a 4 bit flashtype A/D converter is—

1. 1. 16

   
   
   

   2. 15

   
   
   

   3. 4

   
   
   

   4. 14

   
   
   

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   No. of comparator required = 2ⁿ – 1
   (where, n = no. of bits)
   = 2⁴ – 1 = 15
   Hence alternative (B) is the correct answer.

   Correct Option: B

   No. of comparator required = 2ⁿ – 1
   (where, n = no. of bits)
   = 2⁴ – 1 = 15
   Hence alternative (B) is the correct answer.

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75. Which of the following is D to A conversion technique?

1. 1. Successive approximation

   
   
   

   2. Weighted resistor technique

   
   
   

   3. Dual slope technique

   
   
   

   4. Single slope technique

   
   
   

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1. View Hint View Answer Discuss in Forum

   Among the given, weighted resistor technique is only D to A conversion technique.

   Correct Option: B

   Among the given, weighted resistor technique is only D to A conversion technique.

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