Write a few line on certegorization of computer
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Answer:
Categories & Classification of Computer
1) Personal computers
A personal computer is a computer that can perform all of its input, processing, output and storage activities by itself. Another term for personal computer is microcomputer. Desktop computer is an example of personal computer which are designed so that the system unit, input devices, output devices, and any other devices fit entirely on or under a desk. Personal computers also available in portable models with variety of shapes, sizes and colors.
A microprocessor-based computing device designed to meet the computing needs of an individual. It typically provides access to a wide variety of computing applications, such as word processing, photo editing, and e-mail.
2) Computers and mobile devices
A mobile computer is a type of computer you can carry from place to place. The most popular type of mobile computer is the notebook computer.A notebook computer also called a laptop computer is a portable which is designed to fit on your lap.
TABLET PC is a special type of notebook computer that allows you to write or draw on the screen using a digital pen.
Mobile devices which are small enough to carry in a pocket.3 popular types of mobile devices are:
i) Handheld computers (iPods, Garmin GPSs)
ii) PDAs – Personal Digital Assistant
iii) Smart Phone
3) Server
A Server controls access to the hardware, software and other resources on a network and provides a centralized storage area for programs, data, and information.
Remarkably, just about any personal computer, workstation, mainframe, or supercomputer can be configured to perform the work of a server. That fact should emphasize the concept that a server does not require a specific type of hardware.
4) Mainframes
A Mainframe is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously. Most major corporations use mainframes for business activities. Mainframes remain the computer of choice in situations where realibility, data security, and centralized control are necessary. The price of a mainframe computer typically starts at $100,000 and can easily exceed to $1 million.
5) Supercomputers
The fastest most powerful computer and the most expensive.Applications in medicine, aerospace, automotive design, online banking, weather forecasting, nuclear energy research and petroleum exploration use a supercomputer.
At one time, supercomputer designers focused on building specialized, very fast, and very large CPUs. Today, most supercomputer CPUs are constructed from thousands of microprocessors. Of the 500 fastest supercomputers in the world, the majority use microprocessor technology.
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6) Embedded computer
An Embedded computer is a special-purpose computer that functions as a component in a larger product. The following list identifies a variety of everyday products:
i) Consumer electronics (Digital Camera)
ii) Home Automation Devices (CCTV)
iii) Automobiles (ECM)
iv) Process Controller (manufacturer)
v) Computer devices and office machines (Photocopy Machine)
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