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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

 both are same
 1.
 none
 2.

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Digital Electronics
The base of the number system for the addition operation 24 + 14 = 41 to be true is

 6
 8
 5
 7

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output is HIGH
 the output follows clock
 the output is LOW
 the output follow input

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Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 tri-state
 trigger
 inverter
 unstable state

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Digital Electronics
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +2n-1,-2n-1
 +(2n-1-1),-(2n-1-1)
 +2n-1,-(2n-1+1)
 +(2n-1-1),-2n-1

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Digital Electronics
An EPROM is

 volatile
 erasable but not programmable
 non erasable
 programmable and erasable

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