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Digital Electronics

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 2s complement of 17 is

 110001.
  101111.
 101110.
 111110.

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Digital Electronics
Which circuit is used in between two systems having two different codes

 Conversion
 Both A and B
 Combinational
 Sequential

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Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

None of these
NOT operation
OR operation
AND operation

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Digital Electronics
Counter is a

  combinational circuit.
  both.
  none.
  sequential circuit.

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Digital Electronics
Switching circuits are

 none of these
 analog circuits
 digital circuits
 hybrid circuits

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