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Digital Electronics

Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 XOR, OR
 OR, NOR
 NOR, XNOR
 XOR, NOR

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Digital Electronics
2-out-of-5 code is

 alphanumeric code
 weighted code
 non-weighted code
 self-complementing code

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Digital Electronics
What is the logic which controls a stair case light associated with two switches A and B located at the bottom and top of the stair case respectively?

 X-OR
 OR
 X-NOR
 AND

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 m – 1 literals less than the total number of variables
 n + m literals
 m + 1 literals less than the total number of variables
 n – m literals

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Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 16
 65536
 32
 1024

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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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