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Digital Electronics

Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 AND
 none of these
 OR
 NAND

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Digital Electronics
Which of the following gate is a two-level logic gate

EXCLUSIVE OR gate
NAND gate
NOT gate
OR gate

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Digital Electronics
The number FF in base-16 systems will be equal to ________ in binary system.

 11101110
 11111111
 10101010
 10011001

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Digital Electronics
Which of the following is a digital device

 Microphone
 Resistance of a material
 Light switch
 Regulator of a fan

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Digital Electronics
In the toggle mode a JK flip-flop has

 J = 1, K = 1.
 J = 0, K = 1.
 J = 0, K = 0.
 J = 1, K = 0.

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Digital Electronics
In Boolean algebra A.A is equal to

 2A
 A²
 1
 A

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