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Digital Electronics

Digital Electronics
Truth table is used to express

 Boolean matrix
 Boolean expression
 Boolean addition
 Boolean map

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Digital Electronics
Positive integers must be represented by

 signed numbers
 Both A and B
 None of these
 unsigned number

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

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

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Digital Electronics
An AND gate will function as OR if

All the inputs to the gates are “1”
All the inputs and outputs are complemente'
Either of the inputs is “1”
All the inputs are ‘0’

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either

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

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Digital Electronics
How many input and output required for demultiplexer ?

None of these
 one input and one output
 one input and many output
 number of selection inputs and one output

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MORE MCQ ON Digital Electronics

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