A laptop computer or simply laptop (also notebook computer or notebook) is a small
personal computer designed for mobility. Usually all of the peripherals needed to operate the laptop
are built in to a single unit. Most laptops contain batteries to facilitate operation without a readily
available electrical outlet.
Non IBM-compatible personal computers
Though many personal computers are IBM PC compatible using either Microsoft Windows
or closed and open-source Unix-likes such as Linux, a number of other personal computer types are
also popular.
A leading alternative to the IBM PC is the Apple Macintosh, a combination of proprietary
hardware and operating system. The Macintosh orignally used the Motorola 68000 series, then
shifted to the IBM and Motorola Power PC processors.
In January 2006, Apple shifted its architecture to the same Intel chip found in IBM
compatibles, allowing their computers to run Apple's own Mac OS X as well as other IBM PC
Compatible Operating Systems.
Further PC and PW (Personal Workstation) types through time:
• Amiga (previously produced by Commodore, now under license from Amiga Inc.)
• Acorn Archimedes & Risc PC
• Atari ST
• Be OS Be Box
• Pegasos
• NEC PC-9800 (At one time, in Japan)
• NeXT workstations
• Sun SPARC station
• SGI workstations like the SGI Indigo and SGI Onyx
The term "personal computer" is often avoided by advocates of the above computer systems,
ostensibly because of the association it has to the "PC" in "IBM PC".
personal computer designed for mobility. Usually all of the peripherals needed to operate the laptop
are built in to a single unit. Most laptops contain batteries to facilitate operation without a readily
available electrical outlet.
Non IBM-compatible personal computers
Though many personal computers are IBM PC compatible using either Microsoft Windows
or closed and open-source Unix-likes such as Linux, a number of other personal computer types are
also popular.
A leading alternative to the IBM PC is the Apple Macintosh, a combination of proprietary
hardware and operating system. The Macintosh orignally used the Motorola 68000 series, then
shifted to the IBM and Motorola Power PC processors.
In January 2006, Apple shifted its architecture to the same Intel chip found in IBM
compatibles, allowing their computers to run Apple's own Mac OS X as well as other IBM PC
Compatible Operating Systems.
Further PC and PW (Personal Workstation) types through time:
• Amiga (previously produced by Commodore, now under license from Amiga Inc.)
• Acorn Archimedes & Risc PC
• Atari ST
• Be OS Be Box
• Pegasos
• NEC PC-9800 (At one time, in Japan)
• NeXT workstations
• Sun SPARC station
• SGI workstations like the SGI Indigo and SGI Onyx
The term "personal computer" is often avoided by advocates of the above computer systems,
ostensibly because of the association it has to the "PC" in "IBM PC".
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