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Digital Electronics

Digital Electronics
What logic function is produced by adding inverters to the inputs of an OR gate?

 NOR
 NAND
 X-NOR
 AND

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 NAND gates
 X-OR gates
 AND gates
 NOR gates

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Digital Electronics
The logic expression AB can be implemented by giving the inputs A and B to a two-input

 X-OR gate
 NAND gate
 NOR gate
 X-NOR gate

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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

 10101111
 00011111
 11100000
 011100001

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Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 any number
 2
 4
 1

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Digital Electronics
The NOR gate is OR gate followed by ___________.

AND gate
NAND gate
NOT gate
None of these

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