39. <u>Microcomputers</u> have a wide range of <u>applications</u> such as in industrial, security, consumer products, telecom, agriculture, transport, commercial, educational, environmental, automotive and medical fields, in addition to others.
40. <u>IBM PC</u>: An IBM PC is especially manufactured as well as sold by the IBM company itself. It could be a Windows or a DOS machine.
<u>IBM Compatible Computer</u>: Also known as IBM clones, or PC clones, IBM compatible computers are almost identical to a computer containing IBM PC architecture. It also uses the same expansion card and very similar software to an IBM PC.
According to the popular American computer magazine called <em>PC Magazine</em>, <em>if a user can plug a disk from an IBM PC into another machine such that it functions adequately, it could be referred to as a PC clone or an IBM compatible computer.</em>
41. On the basis of operations or functioning, computers can be classified into three major types:
- Analog computers: These computers are meant to serve specific purposes and use physical values such as temperature and pressure.
- Digital computers: These computers are based on the binary system (0 and 1) and is more accurate than analog computers, with additional storage.
- Hybrid computers: A combination of both of the above, hybrid computers are complex and designed for special purposes.