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Digital Electronics

Digital Electronics
The universal gate is ___________

OR gate
AND gate
None of these
NAND gate

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Digital Electronics
How many input and output required for multiplexer ?

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

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

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

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Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m
 2m-1
 2m+1
 2m-1

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Digital Electronics
The number 10000 would appear just immediately after

7777 (octal)
All of these
FFFF (hex)
1111 (binary)

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Digital Electronics
A device which converts 2421 code into 8421code is called a

 coder
 code converter
 code decoder
 code encoder

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