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What is a Computer?

A Computer is an electronic machine that can solve different problems, process data, store & retrieve data and perform calculations faster and efficiently than humans.

A computer is a device that accepts information and manipulates it for some result based on a program or sequence of instructions on how the data is to be processed. Complex computers also include the means for storing data for some necessary duration. A program may be invariable and built into the computer (and called logic circuitry as it is on microprocessors) or different programs may be provided to the computer. Today’s computers have both kinds of programming.

All general-purpose computers require the following hardware components:

Memory: enables a computer to store, at least temporarily, data and programs.
Mass storage: device allows a computer to permanently retain large amounts of data. Common mass storage devices include solid state drives (SSDs) or disk drives and tape drives.
Input device: usually a keyboard and mouse, the input device is the conduit through which data and instructions enter a computer.
Output device: a display screen, printer, or other devices that let you see what the computer has accomplished.
The central processing unit (CPU): the heart of the computer, this is the component that actually executes instructions.
In addition to these components, many others make it possible for the basic components to work together efficiently. For example, every computer requires a bus that transmits data from one part of the computer to another.

A Computer has two categorized part:

  • Hardware: a Physical structure that houses a computer’s processor, memory, storage, communication ports and peripheral devices.
  • Software: Includes operating system (OS) and software applications.

Computer Classification: By Size and Power
Most people associate a personal computer (PC) with the phrase computer. A PC is a small and relatively inexpensive computer designed for an individual user. PCs are based on the microprocessor technology that enables manufacturers to put an entire CPU on one chip.

Personal computers at home can be used for a number of different applications including games, word processing, accounting and other tasks.

Computers are generally classified by size and power as follows, although there is considerable overlap. The differences between computer classifications generally get smaller as technology advances, creating smaller and more powerful and cost-friendly components.

Nowadays everywhere you can see computers are used from restaurant to govt offices. computers made everything easy and faster for us.

Personal computer: a small, single-user computer based on a microprocessor. In addition to the microprocessor, a personal computer has a keyboard for entering data, a monitor for displaying information, and a storage device for saving data.
Workstation: a powerful, single-user computer. A workstation is like a personal computer, but it has a more powerful microprocessor and a higher-quality monitor.
Minicomputer: a multi-user computer capable of supporting from 10 to hundreds of users simultaneously.
Mainframe: a powerful multi-user computer capable of supporting many hundreds or thousands of users simultaneously.
Supercomputer: an extremely fast computer that can perform hundreds of millions of instructions per second.

Thank you for reading this article hope it will help you to understand about the computer. for more articles like this please follow our website regularly.

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  3. Nice

  4. Great

  5. my pc hang to speed to my pc

    1. Try to uninstall unwanted software and antivirus software. if still you are getting slow then install fresh windows and format your computer.

  6. A computer is an electronic divice .

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