Section 3.3
AND Operation
The expression X = A * B reads as "X equals A AND B".
The multiplication sign stands for the AND operation, same for ordinary multiplication of 1s and 0s.The AND operation produces a result of 1 occurs only for the single case when all of the input variables are 1.
The output is 0 for any case where one or more inputs are 0
An example of three input AND gate and its truth table is as follows:
With the AND operation, 1*1 = 1, 1*1*1 = 1 and so on.