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Digital Electronics

Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 none
 2.
 both are same
 1.

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

6
64
128
32

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Digital Electronics
What is the requirement of fullsubstractor circuit ?

 Two inputs and two outputs
 Three inputs and two outputs
 Two inputs and three outputs
 Three inputs and one output

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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 = Ā
None of these
 A= G
 G = A

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Digital Electronics
What is the minimum number of NOR gates required realizing an X-OR gating?

 3
 4
 5
 6

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Digital Electronics
For a code to be self-complementing, the sum of all its weights must be

 12
 10
 9
 6

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