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Digital Electronics

Digital Electronics
What is the Boolean expression for a two-input AND gate ?

 A - B
 A & B
 A + B
 A.B

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Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 trigger
 unstable state
 tri-state
 inverter

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Digital Electronics
Which of the following logic circuits is the fastest ?

 DTL.
 TTL.
 RTL.
 All have same speed.

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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?

 X-NOR
 OR
 X-OR
 AND

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Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 1024
 32
 65536
 16

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Digital Electronics
The binary code of (21.125)10 is

10100.001
10101.01
10100.111
10101.001

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MORE MCQ ON Digital Electronics

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