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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
 both are same
 2.
 1.

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Digital Electronics
The 1’s complement of 11010111 is

 11101000
 10101000
 10101000
 00101000

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Digital Electronics
Which of the following is equivalant to an ODD function

 NOR
 AND-NOR
 XOR
 XNOR

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Digital Electronics
The main equation for a D flip flop is

 Q=1
 Q=0
 Q=D'
 Q=D

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Digital Electronics
What is the logic which controls a stair case light associated with two switches A and B located at the bottom and top of the stair case respectively?

 X-OR
 AND
 OR
 X-NOR

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Digital Electronics
An n variable K-map can have

 n2n cells
 n2 cells
 2n cells
  nn cells

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