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Digital Electronics

Digital Electronics
A bubbled NAND gate is equivalent to a

 X-OR gate
 NAND gate
 NOR gate
 OR gate

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Digital Electronics
A half adder has

 1 input and 2 outputs
 2 inputs and 2 output
 1 input and 1 output
 2 inputs and 1 outputs

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

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

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Digital Electronics
The following code is not a BCD code.

 all of these
 XS-3 code
 8421 code
 Gray code

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Digital Electronics
(44)8 in BCD 8421 code is

 00100100
 01100011
 01000100
 00110110

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Digital Electronics
A gate is disabled when its disable input is at logic 0. The gate is

 none of these
 NOR
 AND
 OR

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MORE MCQ ON Digital Electronics

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