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Digital Electronics

Digital Electronics
What logic function is produced by adding an inverter to each input and output of an OR gate?

 X-OR
 AND
 NAND
 NOR

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Digital Electronics
A debouncing circuit is

A bistable MV
An astable MV
A monostable MV
A latch

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Digital Electronics
The number A = 01110000 and B = 10101111 are in 2’s complement form .Addition of above two number is

 011100001
 11100000
 00011111
 10101111

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Digital Electronics
The NAND gate is AND gate followed by ___________.

None of these
OR gate
AND gate
NOT gate

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

 Hamming code
 Gray code
 8421 code
 XS-3 code

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Digital Electronics
A full adder has

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

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