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Digital Electronics

Digital Electronics
A 15-bit Hamming code requires

 4 parity bits
 5 parity bits
 15 parity bits
 none of these.

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output follows clock
 the output is LOW
 the output follow input
 the output is HIGH

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Digital Electronics
A full adder has

 2 inputs, 1 output
 2 inputs, 2 outputs
 3 inputs, 2 outputs
 3 inputs, 1 output

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Digital Electronics
Why decoder is used in the digital electronics ?

None of these
 To convert non coded information into coded form
 To convert coded information into non coded form
 It is used to separate address bus and data bus

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Digital Electronics
X OR X' will result

 0
 X
 1
 X'

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Digital Electronics
The number of Boolean functions that can be generated by n variables is equal to

2n-1
2n
22n
2n

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