chapter  8
34 Pages

Interfacing: the use of the computer as a component

We know that the computer processes information in binary form, where the individual 1s and 0s constituting the binary information are represented by voltages respectively of the order of +5 V and 0 V. If information is to be exchanged with the outside world, it will have to be converted to and from this binary form, where given the speed of most processors, the transaction will typically take place in less than a millionth of a second.