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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

 1.
 none
 both are same
 2.

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

 XS-3 code
 Gray code
 BCD code
 ASCII code

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Digital Electronics
OR operation is equivalant to

 Union
 Intersection
 Division
 Both B and C

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

 6
 12
 36
 64

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Digital Electronics
A three-state buffer has the following output states

 High, Low, Float
 Set, Reset, Halt
 1, 0, float
 Both A and B

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 0, C = 1
 A = 0, B = 0, C = 0
 A = 1, B = 1, C = 1
 A = 1, B = 1, C = 0

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