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Digital Electronics

Digital Electronics
The most suitable gate for comparing two bits is

 AND
 X-OR
 NAND
 OR

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Digital Electronics
EBCDIC code is a

 8-bit code
 5-bit code
 10-bit code
 7-bit code

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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
 X-NOR
 NOR
 NAND

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Digital Electronics
The number FF in base-16 systems will be equal to ________ in binary system.

 11101110
 11111111
 10101010
 10011001

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Digital Electronics
Which circuit is used in between two systems having two different codes

 Combinational
 Sequential
 Conversion
 Both A and B

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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
 AND
 X-NOR
 OR

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