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Digital Electronics

Digital Electronics
A 15-bit Hamming code requires

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

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

 selective prime implicants
 prime implicants
 essential prime implicants
 redundent prime implicants

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -25, -9 and -57 respectively
 -6, -6 and -6 respectively
 -7, -7 and -7 respectively
 25, 9 and 57 respectively

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Digital Electronics
An 8-square eliminates

 8 variables
 3 variables
 4 variables
 2 variables

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Digital Electronics
How many input and output required for demultiplexer ?

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

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Digital Electronics
Number of 2 input multiplexers need to construct a 210 inputs multiplexer is _________

 9
 129
 32
 1023

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