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Digital Electronics

Digital Electronics
The most suitable gate for comparing two bits is

 NAND
 OR
 AND
 X-OR

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Digital Electronics
How many output is high of NOR GATE ?

 1
 2
 4
 3

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

 AND
 NAND
 X-NOR
 NOR

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Digital Electronics
When an input signal 1 is applied to a NOT gate, the output is ___________.

Either 0 & 1
1
None of these

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Digital Electronics
How many NOR gates are required to obtain AND operation?

 4
 2
 1
 3

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Digital Electronics
(44)8 in BCD 8421 code is

 00110110
 01100011
 00100100
 01000100

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