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Digital Electronics

Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 3
 1
 4
 2

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Digital Electronics
The fast logic family is

  ECL.
  TRL.
  TTL.
  DRL.

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Digital Electronics
A half adder is a ________ circuit.

 Both A and B
 Combinational
 Sequential
 None

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Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 four
 two
 three
 one

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Digital Electronics
2-out-of-5 code is

 weighted code
 non-weighted code
 alphanumeric code
 self-complementing code

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Digital Electronics
The output of a NOR gate is high

 only when all the inputs are high
 only when at least one input is high
 only when all the inputs are low
 only when at least one input is low

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