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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 refered to by their more specific terms:
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 InternetThis article is about the Internet the extensive, worldwide computer network available to the public. An internet is a more general term for a set of interconnected computer networks that are connected by internetworking''. WWW information network structu, extended batteryIn science and technology, a battery is a device that stores energy and makes it available in an electrical form. Although such storage in an electrostatic form is practical in some specialized uses, batteries usually consist of electrochemical devices su life and more comfortable ergonomicsErgonomics (from Greek ergon work and nomoi natural laws) is the study of designing objects to be better adapted to the shape of the human body and/or to correct the user's posture. Common examples include chairs designed to prevent the user from sitting have been factors driving this increase in popularity.
The first portable computer was the Osborne 1The Osborne 1 created by Adam Osborne and released in April 1981, was the first portable "all-in-one" microcomputer. It weighed 23. 5 pounds (12 kg), cost US$1795 just over half the cost of a comparable computer from other manufacturers with comparable fe developed by Adam OsborneAdam Osborne ( March 6, 1939 March 18, 2003) was a British author, book and software publisher, and computer designer who founded several companies in the United States and elsewhere. Born in Thailand to British parents, Osborne spent much of his childhoo.