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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
How many input and output required for demultiplexer ?

 number of selection inputs and one output
 one input and one output
 one input and many output
None of these

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Digital Electronics
Which of the following operations is commutative but not associative?

 NAND
 X-OR
 OR
 AND

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

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Digital Electronics
The devices commonly used for making digital circuits are

 relays
 mechanical switches
 contact switches
 semiconductor devices

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 CMOS ICs
 ECL ICs
 MOS ICs
 TTL ICs

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MORE MCQ ON Digital Electronics

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