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Digital Electronics

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

 X-NOR
 NOR
 NAND
 AND

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Digital Electronics
Fastest memory element is

 ROM
 Cache
 Hard Drive
 RAM

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Digital Electronics
The set of which logic gates is designated as universal gate?

 XNOR, NOR, NAND.
  NOR , NAND.
 NOT, OR , AND.
 XNOR, NOR, NAND.

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Digital Electronics
If J = K (J and K are shorted) in a JK flip-flop, what circuit is made

 SR flip-flop
 K flip-flop
 Shorted JK flip-flop
 T flip-flop

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Digital Electronics
What is the logic which controls a stair case light associated with two switches A and B located at the bottom and top of the stair case respectively?

 OR
 X-NOR
 X-OR
 AND

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Digital Electronics
X OR X' will result

 0
 X
 X'
 1

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MORE MCQ ON Digital Electronics

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