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Digital Electronics

Digital Electronics
A binary number system is of base ________

 2
 1
 4
 10

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Digital Electronics
A debouncing circuit is

A monostable MV
An astable MV
A latch
A bistable MV

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

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

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Digital Electronics
What will be the Boolean expression for an inverter logic gate, where input is A and output is G ?

 G = A
None of these
 G = Ā
 A= G

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 0. The gate is either

 an OR or an X-NOR
 an OR or an X-OR
 an AND or a NOR
 a NAND or an X-OR

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Digital Electronics
The voltage levels for positive logic system

 must necessarily be 0 V and 5 V
 may be positive or negative
 must necessarily be negative
 must necessarily be positive

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MORE MCQ ON Digital Electronics

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