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Digital Electronics

Digital Electronics
The address bus with a ROM of size 1024 × 8 bits is

 8 bits
 16 bits
 10 bits
 12 bits

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Digital Electronics
A half adder is a ________ circuit.

 Both A and B
 Combinational
 None
 Sequential

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Digital Electronics
An 8-square eliminates

 2 variables
 4 variables
 8 variables
 3 variables

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Digital Electronics
An AND gate will function as OR if

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

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

 2m-1
 2m+1
 2m
 2m-1

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Digital Electronics
The largest positive number that can be stored in a computer that has 16-bit word length and uses two’s complement arithmetic is

 32,767
 65,536
 32
 32,768

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