Logic Gates and Truth Tables

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Logic Gates information

Not Gate

Characteristics:

  • Takes a single input and gives out a single output.
  • The output is always the opposite of the input.
  • So, if the input is FALSE, the output will be TRUE and visa versa.

Symbol and Truth Table:

Not Gate Symbol"

And Gate

Characteristics:

  • Takes 2 inputs and gives out 1 output.
  • If both inputs are TRUE, the output will also be TRUE. Otherwise, the output is FALSE.

Symbol and Truth Table:

And Gate Symbol

Or Gate

Characteristics:

  • Takes 2 inputs and gives out 1 output.
  • If one or more inputs are TRUE, then the output is also TRUE. Otherwise the output is FALSE.

Symbol and Truth Table:

Or Gate Symbol