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Digital Electronics

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

 G = A
 A= G
None of these
 G = Ā

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Digital Electronics
Which of the following codes is known as the 8421 code?

 ASCII code
 Gray code
 BCD code
 XS-3 code

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Digital Electronics
The number of cells in a 6 variable K-map is

 64
 36
 6
 12

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

 size
 volume
 weight
 cost

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Digital Electronics
The voltage levels for negative logic system

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

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output is LOW
 the output is HIGH
 the output follows clock
 the output follow input

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