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Digital Electronics

Digital Electronics
Which of the following gates is known as a coincidence detector?

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

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Digital Electronics
An exclusive NOR gate is logically equivalent to

 inverter followed by an X-OR gate
 complement of a NOR gate
 X-OR gate followed by an inverter
 NOT gate followed by a NOR gate

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Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 NOR
 OR
 NAND
 none of these

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Digital Electronics
A demultiplexer is a

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

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

 a NAND or an AND
 a NAND or an X-OR
 a NOR or an X-NOR
 a NAND or an X-NOR

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

NOT gates
None of these
NAND gates
OR gates

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