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Digital Electronics

Digital Electronics
A combinational circuit can be designed using only

 NOR gates
 OR gates
 OR and X-NOR gates
 AND gates

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Digital Electronics
Storage of 1 KB means the following number of bytes

1000
964
1024
1064

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

 none
 both have same
 2
 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
Odd parity of a bit stream can be tested using ________ gate.

 NOR
 XOR
 OR
 AND

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Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m-1
 2m-1
 2m
 2m+1

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