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Digital Electronics

Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 AND
 NAND
 OR
 NOR

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Digital Electronics
The set of which logic gates is designated as universal gate?

 XNOR, NOR, NAND.
  NOR , NAND.
 NOT, OR , AND.
 XNOR, NOR, NAND.

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

 NAND
 NOR
 X-NOR
 X-OR

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Digital Electronics
Combinations that are not listed for the input variables are

 Don't Care
 Borrow
 Carry
 Overflow

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Digital Electronics
ASCII and EBCDIC codes are

 alphanumeric codes
 BCD codes
 error correcting codes
 numeric codes

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Digital Electronics
The logic expression A + B can be implemented by giving inputs A and B to a two-input

 X-OR gate
 X-NOR gate
 NOR gate
 NAND gate

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MORE MCQ ON Digital Electronics

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