The term “combinational” comes to us from mathematics. In mathematics a combination is an unordered set, which is a formal…
As a first example of useful combinational logic, let’s build a device that can add two binary digits together. We…
The half-adder is extremely useful until you want to add more that one binary digit quantities. The slow way to…
A decoder is a circuit that changes a code into a set of signals. It is called a decoder because…
A demultiplexer, sometimes abbreviated dmux, is a circuit that has one input and more than one output. It is used…
A multiplexer, abbreviated mux, is a device that has multiple inputs and one output. Multiplexer The schematic symbol for multiplexers…
As an example of using several circuits together, we are going to make a device that will have 16 inputs,…
An encoder is a circuit that changes a set of signals into a code. 2-to-1 line Encoder Let’s begin making…
