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Digital Electronics

Digital Electronics
A + Ā is equal to

 A
 Ā
 0
 1

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 OR is more oval than NOR
 NOR has got a bubble at its output terminal
 OR has got a bubble at its output terminal
 OR is more squared than NOR

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Digital Electronics
Why generic array logic (GAL) device was invented ?

 One-time programmable
None of these
 Mask programmable
 Reprogrammable

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Digital Electronics
A three-state buffer has the following output states

 Set, Reset, Halt
 Both A and B
 1, 0, float
 High, Low, Float

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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
 AND
 X-OR
 OR

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Digital Electronics
X OR X' will result

 1
 0
 X'
 X

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MORE MCQ ON Digital Electronics

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