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Digital Electronics

Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 OR
 NAND
 AND
 NOR

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 NOT
 NAND
 OR
 AND

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output is HIGH
 the output follows clock
 the output follow input
 the output is LOW

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Digital Electronics
A demultiplexer is a

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

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 AND
 X-OR
 NOT
 OR

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Digital Electronics
AND operation of (79)10 & (-56)10 is

 42H
 48H
 08H
 50H

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