Portable computer: Difference between revisions
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[[Image:Sx64.jpg|thumb|right|250px|The [[Commodore SX-64]] was the first full-color portable computer.]] |
[[Image:Sx64.jpg|thumb|right|250px|The [[Commodore SX-64]] was the first full-color portable computer.]] |
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A '''Portable computer''' is a computer that is designed to be moved from one place to another (in other words, it is a [[computer]] that is [[portable]]). Portable computers, by their nature, are [[microcomputer]]s. Early portables were unkindly referred to as "luggables," referring to their great size and weight (owing partly to the need to include a full-blown [[cathode ray tube|CRT]] monitor, as [[liquid crystal display|LCD]] technology was not yet mature). |
A '''Portable computer''' is a computer that is designed to be moved from one place to another (in other words, it is a [[computer]] that is [[portable]]). Portable computers, by their nature, are [[microcomputer]]s. Early portables were unkindly referred to as "luggables," referring to their great size and weight (owing partly to the need to include a full-blown [[cathode ray tube|CRT]] monitor, as [[liquid crystal display|LCD]] technology was not yet mature). The term "luggable" is today used mainly when speaking of 17" and larger widescreen laptops. |
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[[Image:CompaqPortable.jpg|thumb|right|250px|The [[Compaq Portable]]; the first portable [[IBM PC compatible]].]] |
[[Image:CompaqPortable.jpg|thumb|right|250px|The [[Compaq Portable]]; the first portable [[IBM PC compatible]].]] |
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Revision as of 16:49, 27 July 2006
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A Portable computer is a computer that is designed to be moved from one place to another (in other words, it is a computer that is portable). Portable computers, by their nature, are microcomputers. Early portables were unkindly referred to as "luggables," referring to their great size and weight (owing partly to the need to include a full-blown CRT monitor, as LCD technology was not yet mature). The term "luggable" is today used mainly when speaking of 17" and larger widescreen laptops.
The term portable computer is now almost exclusively used to refer to portable computers that are larger than a laptop, often use conventional parts and usually do not run on batteries. Smaller portable computers are referred to by their more specific terms:
- The laptop (or notebook) with a flat panel display and keyboard, requiring a seated position and both hands. A relatively recently introduced modification has been the Tablet PC, which essentially is a laptop operated with a stylus on a touch-sensitive screen. See also desktop replacement computer, a large laptop designed to perform all of the functions of a desktop computer.
- The palmtop which is something between a laptop and a PDA (q.v.).
- The pocket computer, which was mostly a phenomenon of the 1980s, and combined the features of an alphanumeric calculator, a small home computer (usually programmable in BASIC), and a PDA (q.v.). Manufacturers of these included Tandy/Radio Shack, Hewlett-Packard, Casio, and Sharp Corporation.
- The personal digital assistant (PDA), usually held in one hand and operated with the other.
- The wearable computer with handsfree interface, and usually some voice capability (speech recognition and speech synthesis).
Portable computers have been increasing in popularity over the past decade, as they do not restrict the user in terms of mobility as a desktop computer would. Wireless Internet, extended battery life and more comfortable ergonomics have been factors driving this increase in popularity.
The first portable computer was the Osborne 1, developed by Adam Osborne. The first IBM PC compatible portable computer (and indeed the first IBM PC compatible, or "clone," of any kind) was the Compaq Portable. The first full-color portable computer was the Commodore SX-64.