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
 AND
 X-NOR

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Digital Electronics
EBCDIC is abbreviated as

 Extended Binary Color Decimal Interchange Code
 Extended Binary Coded Decimal Interchange Code
 Extended Binary Coded Dectation Interchange Code
 Extended Bit Coded Decimal Interchange Code

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