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Digital Electronics

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

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

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 NAND
 NOR
 X-NOR
 X-OR

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Digital Electronics
What is the difference between xor gate and exor gate.

 both are same
 xor and exor are complement of each other
 xor gives two outputs while exor gives one
 xor gives one output while exor gives two

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Digital Electronics
Switching circuits are

 analog circuits
 none of these
 hybrid circuits
 digital circuits

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Digital Electronics
A device which converts BCD into octal is called

 code converter
 decoder
 demultiplexer
 encoder

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Digital Electronics
An X-OR gate gives a high output

 if the decimal value of digital word is even
 for odd decimal value.
 if it has even number of 0s
 if there are odd number of 1s

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