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Digital Electronics

Digital Electronics
Excess-3 code is known as

Self-complementing code
Cyclic redundancy code
Algebraic code
Weighted code

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Digital Electronics
Simplified form of the function f = (x+y+xy)(x+z)

 x+yz
 y+xz
 x+y
 x+xyz

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Digital Electronics
1 Kilo bits are equal to

 1024 bits
 1000 bits
 1008 bits
 1012 bits

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 NOR
 NAND
 X-OR
 X-NOR

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Digital Electronics
What is the Boolean expression for a two-input AND gate ?

 A & B
 A - B
 A.B
 A + B

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Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 2
 none
 both have same
 1

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