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A personal computer (PC) is a multipurpose electronic computer whose size, capacity and price make it feasible for individual use. PCs are intended to be operated directly by an end user, rather than by a computer expert or technician.

"Computers were invented to calculate or to solve complex mathematical problems" due to the dependence of the media and the everyday use of computers, it is seen that "computing" is the least important thing that computers do . Which are typically used with larger, more expensive systems of supercomputers and mainframes to allow them to be used by many people at the same time. A wide range of software applications ("programs") are available for Personal computers including but not limited to (word processing, spreadsheets, databases, web browsers, e-mail, digital media playback, video games and many personal productivity) and special purpose software applications. In the years 2010 PCs are often connected to the Internet allowing to access the World Wide Web and other resources. Connected to a local area network (LAN) either by cable or a wireless connection.


Types personal computer (PC) :
A multi-component desktop computer designed for use in a fixed location
A laptop computer designed to facilitate portability
A computer tablet designed to be hand held.


PCs are run using an operating system (OS), such as Microsoft Windows, Linux (and various operating systems based on it) or Macintosh (macOS).

The first computer owners in the sixties invariably institutional or corporate had to write their own programs to make calculations useful with machines which did not even include an operating system. The older microcomputers equipped with a front panel required the manual loading of a bootstrap program to load programs from external storage (paper tape, tapes or possibly diskettes). In a short time automatic startup from the read-only permanent memory (ROM) became universal. In the years 2010 users have access to a wide range of commercial software "free software" (freeware) and free and open source software which are provided in ready-to-run or ready-to-compile format.

Software for personal computers such as applications (apps) and video games are normally developed and distributed independently of hardware or OS manufacturers while software for many mobile phones and other portable systems is approved and distributed through A centralized online store.

Since the early 1990's Microsoft's operating systems and Intel hardware have dominated much of the personal computer market first with MS-DOS and then with Windows Alternatives to Microsoft Windows operating systems occupy a minority share of the industry. These include Apple's OS X operating system and free Unix open source operating systems such as Linux and Chrome OS. Advanced Micro Devices (AMD) is the primary alternative to Intel processors. ARM processors sold 15 billion microchips by 2015 which was more than the US rival Intel had sold in its history and ARM-based smartphones and tablets which are also effectively personal computers - though they typically do not Are described as such -


A personal computer (PC) can also refer to any small and relatively cheap computer designed for an individual user.
In price personal computers range from hundreds of dollars to thousands of dollars.
All are based on microprocessor technology that allows manufacturers to put an entire CPU on a chip