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A personal computer, often referred to as a PC, is a computer designed for individual use. [1] It is typically used for tasks such as word processing, internet browsing, email, multimedia playback, and gaming. Personal computers are intended to be operated directly by an end user, rather than by a computer expert or technician.
Protective custody (PC) is a type of imprisonment (or care) to protect a person from harm, either from outside sources or other prisoners. [1] Many prison administrators believe the level of violence, or the underlying threat of violence within prisons, is a chief factor causing the need for PC units.
Political correctness is often satirized, for example in The PC Manifesto (1992) by Saul Jerushalmy and Rens Zbignieuw X, [88] and Politically Correct Bedtime Stories (1994) by James Finn Garner, which presents fairy tales re-written from an exaggerated politically correct perspective.
The term "computer", in use from the early 17th century (the first known written reference dates from 1613), [1] meant "one who computes": a person performing mathematical calculations, before calculators became available.
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
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A human computer, with microscope and calculator, 1952. It was not until the mid-20th century that the word acquired its modern definition; according to the Oxford English Dictionary, the first known use of the word computer was in a different sense, in a 1613 book called The Yong Mans Gleanings by the English writer Richard Brathwait: "I haue [] read the truest computer of Times, and the best ...
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