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Digital Electronics

Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 NOR
 AND, OR, and NOT
 NAND
 X-OR

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Digital Electronics
In a read-only memory information can be stored

 by the user only once during its life time
 by the user a number of times
 in any of the above ways depending upon the type of memory
 at the time of fabrication

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Digital Electronics
Which logic family provide minimum power dissipation

 ECL
 TTL
 CMOS
 JFET

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Digital Electronics
Fastest memory element is

 RAM
 ROM
 Hard Drive
 Cache

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

 an AND or a NOR
 an AND or an OR
 a NAND or a NOR
 an OR or an X-OR

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

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

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