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Digital Electronics

Digital Electronics
A multiplexer is a

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

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Digital Electronics
When will be the output of a NOT gate is LOW ?

 the input is HIGH and LOW.
None of these
 the input is LOW.
 the input is HIGH.

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Digital Electronics
The following code is not a BCD code.

 Gray code
 all of these
 XS-3 code
 8421 code

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Digital Electronics
The state of a flip-flop can be switched by changing its ________ signals.

 clearing
 input
 triggering
 output

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Digital Electronics
How many NOR gates are required to obtain AND operation?

 3
 1
 4
 2

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

 001FF
 00100
 000FF
 00FFF

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