The field of electronics can be roughly divided into three major subfields, computers, communications and control. Virtually every electronic application can be classified as part of one of these three divisions. The largest field in terms of the sales of equipment and services and the number of employees in the computer field. It is also the youngest of the three. The communications industry is the second largest in size and is most certainly the oldest since electronics really started with radio communications. The smallest field is controlled. The computer industry is concerned with the development and servicing of computer hardware and software used by business, industry and government for the processing, storage and retrieval of data. The communications industry is concerned with electronic equipment used for the transfer of information between two or more points. That information may be voice, television pictures, computer data or some other form of electronic information.

Ansif S

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