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Digital Electronics

Digital Electronics
Which of the following gates cannot be used as an inverter?

 X-NOR
 NAND
 NOR
 AND

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Digital Electronics
Which one of the following is 2’s complement of -68?

 00111100
 01111100
 10111100
 11000100

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

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

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Digital Electronics
Combinations that are not listed for the input variables are

 Don't Care
 Borrow
 Overflow
 Carry

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Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 none of these
 OR
 NAND
 NOR

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Digital Electronics
A hexadecimal odometer displays F 52 F. The next reading will be

G52F
F53F
F53O
F52E

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MORE MCQ ON Digital Electronics

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