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Digital Electronics

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

 2m-1
 2m
 2m-1
 2m+1

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Digital Electronics
When will be the output of an AND gate is LOW ?

 When any input is HIGH
 When any input is LOW
 When all input is LOW
 When all inputs are HIGH

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Digital Electronics
XNOR followed by a NOT gate is equivalant to ________ gate

 NOR
 OR
 XNOR
 XOR

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Digital Electronics
The state of a flip-flop can be switched by changing its ________ signals.

 triggering
 input
 clearing
 output

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Digital Electronics
1 Kilo bits are equal to

 1000 bits
 1008 bits
 1024 bits
 1012 bits

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Digital Electronics
How many input and output required for demultiplexer ?

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

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MORE MCQ ON Digital Electronics

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