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Digital Electronics

Digital Electronics
A + Ā is equal to

 Ā
 1
 0
 A

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

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

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Digital Electronics
How many input and output required for multiplexer ?

 One input and one output
None of these
 Many input and one output
 One input and many output

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Digital Electronics
Complement of NOR and OR gate is ________ and ________ respectively.

 NAND, AND
 OR, NOR
 AND, NAND
 NOR, OR

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Digital Electronics
Positive integers must be represented by

 None of these
 unsigned number
 signed numbers
 Both A and B

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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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