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Digital Electronics

Digital Electronics
A full adder has

 2 inputs, 2 outputs
 2 inputs, 1 output
 3 inputs, 2 outputs
 3 inputs, 1 output

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Digital Electronics
The output of a gate is LOW if and only if all its inputs are HIGH. It is true for

 X-NOR
 NAND
 NOR
 AND

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Digital Electronics
How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

 24.
 12.
  6.
  10.

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 OR is more squared than NOR
 OR has got a bubble at its output terminal
 OR is more oval than NOR
 NOR has got a bubble at its output terminal

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Digital Electronics
Which one of the following even parity codes are in errors. (I)100110010 (II)011101010 (III)10111111010001010

 Only (II)
 Both (II)&(III)
 Both (I)&(III)
 Only (III)

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Digital Electronics
The state of a flip-flop can be switched by changing its ________ signals.

 clearing
 triggering
 input
 output

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