Combination Circuits

1/3

This material was developed with funding from the National Science Foundation under Grant # DUE 1601612

Next

Restart

Back

0

1

0

2/3

Click switches on and off

A

1

Boolean Expression: X = A × (B + C)

C

X

B

INPUTS

OUTPUT

Combination Circuit

In this combination circuit the “A” input must be HIGH or true and “B” or “C” input must be HIGH or true to get a HIGH output on X. See the truth table below.

3/3

Boolean Expression: X = (A + BC ) + AB

The use of NOT gates can be used to change the state of the inputs and outputs of each gate in a combinational logic circuit