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Digital Electronics

Digital Electronics
An 8-square eliminates

 2 variables
 4 variables
 8 variables
 3 variables

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Digital Electronics
A half adder is a ________ circuit.

 Sequential
 Both A and B
 None
 Combinational

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Digital Electronics
When will be the output of a NOT gate is LOW ?

None of these
 the input is LOW.
 the input is HIGH and LOW.
 the input is HIGH.

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Digital Electronics
In which of the following codes do the successive characters differ in only 1-bit position?

 8421 code
 binary code
 cyclic code
 2421 code

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 101001
 0001111
 100111
 001000

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Digital Electronics
If 4 input MUXes drive a 4 input multiplexer, it results a

 6 input MUX
 16 input MUX
 4 input MUX
 8 input MUX

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MORE MCQ ON Digital Electronics

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