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Digital Electronics

Digital Electronics
A half adder is a ________ circuit.

 Sequential
 Both A and B
 None
 Combinational

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Digital Electronics
An exclusive NOR gate is logically equivalent to

 inverter followed by an X-OR gate
 complement of a NOR gate
 NOT gate followed by a NOR gate
 X-OR gate followed by an inverter

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Digital Electronics
A boolean function can be transformed into logical ________.

 matrix
 diagram
 graph
 map

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Digital Electronics
The implicants which will definitely occur in the final expression are called

 redundent prime implicants
 selective prime implicants
 prime implicants
 essential prime implicants

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Digital Electronics
A debouncing circuit is

A monostable MV
A latch
An astable MV
A bistable MV

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Digital Electronics
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +2n-1,-(2n-1+1)
 +2n-1,-2n-1
 +(2n-1-1),-2n-1
 +(2n-1-1),-(2n-1-1)

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