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Digital Electronics

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

 2m
 2m-1
 2m+1
 2m-1

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Digital Electronics
The main criterion in the design of a digital circuit is reduction of

 size
 weight
 cost
 volume

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 4
 8
 6
 2

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 NAND
 OR
 NOR
 X-OR

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

 8
 6
 5
 7

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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
Of no specific reason
It is slower than software
Floating point hardware is costly

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