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Digital Electronics

Digital Electronics
The main criterion in the design of a digital circuit is reduction of

 size
 weight
 volume
 cost

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Digital Electronics
An OR gate has 6 inputs. The number of input words in its truth table are

6
32
64
128

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Digital Electronics
A debouncing circuit is

A monostable MV
A bistable MV
A latch
An astable MV

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Digital Electronics
The number of Boolean functions that can be generated by n variables is equal to

2n
2n
22n
2n-1

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Digital Electronics
The output of a NAND gate is low

 only when at least one input is low
 only when all the inputs are low
 only when at least one input is high
 only when all the inputs are high

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Digital Electronics
What is the 2’s complement of 10110000?

 10001110
 10110000
 01001111
 01010000

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