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Digital Electronics

Digital Electronics
The decimal equivalent of hexadecimal number of 2A0F is

 17607
 17670
 10767
 17067

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Digital Electronics
A debouncing circuit is

An astable MV
A monostable MV
A latch
A bistable MV

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Digital Electronics
When will be the output of a NOT gate is LOW ?

 the input is HIGH.
 the input is LOW.
 the input is HIGH and LOW.
None of these

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Digital Electronics
The voltage levels for negative logic system

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

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When any input is LOW
 When any input is HIGH
 When all input is LOW
 When all inputs are HIGH

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Digital Electronics
In signed magnitude representation, the binary equivalent of 22.5625 is (the bit before comma represents the sign)

 1,10110.1001
 0,10110.1001
 0,10110.1011
 1,10101.1001

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MORE MCQ ON Digital Electronics

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