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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
Complement of XNOR and NOR is ________ and ________ respectively.

 XOR, NOR
 OR, NOR
 NOR, XNOR
 XOR, OR

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Digital Electronics
The data bus width of a ROM of size 2048 × 8 bits is

 16
 8
 10
 12

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Digital Electronics
Consider the following multiplication: (10w1z) × (15)10 = (y01011001)2 Which one of the following gives appropriate values of w,y and z?

 w = 0,y = 1,z = 1
 w = 0,y = 0,z = 1
 w = 1,y = 1,z = 0
 w = 1,y = 1,z = 1

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Digital Electronics
In SSI, the number of gate circuits per chip is

 < 12
 < 25
 < 20
 < 6

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Digital Electronics
An 8-square eliminates

 8 variables
 3 variables
 4 variables
 2 variables

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