Friday 18 November 2011

logic gates

AND Gate-  if 0 is called "false" and 1 is called "true," the gate acts in the same way as the logical "and" operator.

OR Gate- The OR Gate is opposite to the AND just opposite outputs.

XOR Gate- The output is "true" if either, but not both, of the inputs are "true." The output is "false" if both inputs are "false" or if both inputs are "true."

NOT Gate- If the input is 1 its 0, and viseversa.

NAND Gate- It acts in the manner of the logical operation "and" followed by negation. The output is "false" if both inputs are "true." Otherwise, the output is "true."

NOR Gate-  Its output is "true" if both inputs are "false." Otherwise, the output is "false."

XNOR Gate- Its output is "true" if the inputs are the same, and"false" if the inputs are different.

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