Logic Circuit With 3 Inputs. 3 to 8 decoder with truth table and logic gates we know possible outputs for 3 inputs so construct 3 to 8 decoder having 3 input lines a enable input and 8 output lines. For now let s look at the first row.
F 0 1 0 1 0 1 1 1 1 0 0 0 1 0 1 1 1 1 0 0 1 1 1 0 1100 0 four inputs x y z and w. If one or more inputs are false 0 then the output is false 0. For now let s look at the first row.
The symbols for a 2 and a 3 input and gates and truth tables are shown in the following image.
The logic and gate is one of the simplest gates in digital electronics. When the binary input is 4 5 6 or 7 the binary output is one less than the input. A is the minuend b is subtrahend c is the borrow produced by the previous stage d is the difference output and c is the borrow output. F 1 if and only if there is a 0 to the left of a 1 in the input truth table.