Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either

 an X-OR or an X-NOR
 a NAND or a NOR
 an OR or a NAND
 an AND or an X-NOR

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Digital Electronics
EBCDIC is abbreviated as

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

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