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Digital Electronics

Digital Electronics
The data bus width of a ROM of size 2048 × 8 bits is

 12
 8
 10
 16

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Digital Electronics
Logic circuits are

 digital circuits
 hybrid circuits
 analog circuits
 none of these

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Digital Electronics
A flip flop is a _______ circuit.

 Combinational
 Both A and B
 None
 Sequential

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 m + 1 literals less than the total number of variables
 n – m literals
 m – 1 literals less than the total number of variables
 n + m literals

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Digital Electronics
What is the difference between xor gate and exor gate.

 xor gives one output while exor gives two
 xor gives two outputs while exor gives one
 both are same
 xor and exor are complement of each other

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 0 and 3
 1 and 3
 0 and 4
 1 and 4

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