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Digital Electronics

Digital Electronics
Which of the following is 2’s complement of +12?

 01110011
 00001100
 00000011
 00001000

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Digital Electronics
How many input and output required for demultiplexer ?

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

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Digital Electronics
The hex address of the 256th memory location is

 000FF
 00FFF
 00100
 001FF

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Digital Electronics
Which of the following gate is a two-level logic gate

NAND gate
OR gate
EXCLUSIVE OR gate
NOT gate

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Digital Electronics
How many input and output required for multiplexer ?

 One input and one output
None of these
 One input and many output
 Many input and one output

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Digital Electronics
A 15-bit Hamming code requires

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

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