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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.
 both are same
 2.
 none

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 NAND
 OR
 NOT
 AND

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Digital Electronics
In Boolean algebra, OR is represented by

 ×
 /
 -
 +

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Digital Electronics
Most of the digital computers do not have floating point hardware because

It is not possible to perform floating point addition by hardware
Floating point hardware is costly
Of no specific reason
It is slower than software

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Digital Electronics
When an input signal 1 is applied to a NOT gate, the output is ___________.

1
Either 0 & 1
None of these

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Digital Electronics
Digital computers are more widely used as compared to analog computers, because they are

Easier to maintain
Always more accurate and faster
Less expensive
Useful over wider ranges of problem types

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