1. The minimum number of NAND gates required to realize EX-OR gate are—

1. 1. 5

   
   
   

   2. 4

   
   
   

   3. 3

   
   
   

   4. 6

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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2. Identify the universal gate from the following gates—

1. 1. OR gate

   
   
   

   2. AND gate

   
   
   

   3. X-OR

   
   
   

   4. NAND

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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3. The output of a gate is zero if and only if when all the inputs are high. What is that gate?

1. 1. AND gate

   
   
   

   2. OR gate

   
   
   

   3. NAND gate

   
   
   

   4. NOR gate

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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4. The output of a gate is 1 only for number of high inputs, what is that gate?

1. 1. X-NOR

   
   
   

   2. X-OR

   
   
   

   3. NAND

   
   
   

   4. NOR

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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5. The output of a gate Y = AB + A′B′, where A and B are inputs, what is that gate?

1. 1. EX-NOR

   
   
   

   2. NAND

   
   
   

   3. EX-OR

   
   
   

   4. All of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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