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Digital Electronics

Digital Electronics
The number of parity bits in a 12-bit Hamming code is

 6
 4
 5
 8

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Digital Electronics
How many input and output required for demultiplexer ?

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

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to positive logic system.

 5 V and 0 V
 1 V and -5 V
 –1.5 V and – 5 V
 0 V and 5 V

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Digital Electronics
A demultiplexer is a

 1-to-1 device
 N-to-N device
 N-to-1 device
 1-to-N device

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Digital Electronics
A latch is ________ sensitive

 None
 level
 both level and edge
 edge

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Digital Electronics
In which code do the successive code characters differ in only one position?

 Gray code
 XS-3 code
 8421 code
 Hamming code

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