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Digital Electronics

Digital Electronics
Counter is a

  none.
  both.
  sequential circuit.
  combinational circuit.

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Digital Electronics
When will be the output of an AND gate is LOW ?

 When any input is LOW
 When all inputs are HIGH
 When all input is LOW
 When any input is HIGH

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Digital Electronics
How many entries will be in the truth table of a 3 input NAND gate ?

 9
 3
 6
 8

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Digital Electronics
The logic expression AB can be implemented by giving the inputs A and B to a two-input

 NOR gate
 X-OR gate
 X-NOR gate
 NAND gate

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Digital Electronics
F’s complement of (2BFD)Hex is

 E304
 C403
 D402
 D403

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Digital Electronics
The 2s complement of 17 is

  101111.
 101110.
 110001.
 111110.

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