The first type of computers is the SUPERCOMPUTERS it is one of the computers that has a most processing power and it was used for scientific and military work.
The second type of computer is the MAINFRAMES it is not as powerful and generally not as expensive as supercomputers and it was used by large corporations, where data processing is centralized and large databases are maintained.
The third type of computer is the MIDRANGE COMPUTERS
§Minicomputers are smaller and less expensive than mainframe computers. Minicomputers are usually designed to accomplish specific tasks such as process control, scientific research, and engineering applications.
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Servers typically support computer networks, enabling users to share files, software, peripheral devices, and other network resources.
The fourth type of computer is the MICROCOMPUTERS which also called as Personal Computers (PCs). This computer is the smallest and least expensive category of general-purpose computers.
And lastly the MOBILE DEVICES a platforms for computing and communications include such mobile devices a Personal Digital Assistants (PDAs) or handheld personal computers. Another platform is mobile phone handsets with wireless and Internet access capabilities.
