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A portable computer is a computer designed to be easily moved [1] from one place to another, as opposed to those designed to remain stationary at a single location ...
The Handheld PC (H/PC) is a class of portable computers running Windows CE created and marketed by Microsoft.Introduced in 1996, the intent of Windows CE was to provide an environment for applications compatible with the Microsoft Windows operating system, on processors better suited to low-power operation in a portable device.
Several categories of portable computing devices can run on batteries but are not usually classified as laptops: portable computers, PDAs, ultra mobile PCs (UMPCs), tablets, and smartphones. A portable computer is a general-purpose computer that can be easily moved from place to place, but cannot be used while in transit, usually because it ...
HTC Kangaroo, Bluebird and Peacock Palm-size PCs from the late 1990s. The Pocket PC was an evolution from prior calculator-sized computers. Keystroke-programmable calculators which could do simple business and scientific applications were available by the 1970s.
The Portable was basically a PC/XT motherboard, transplanted into a Compaq-style luggable case. The system featured 256 kilobytes of memory (expandable to 640 KB), an added CGA card connected to an internal monochrome amber composite monitor , and one or two half-height 5 + 1 ⁄ 4 -inch 360 KB floppy disk drives, manufactured by Qume.
It was designed to be portable, with a rugged ABS plastic case and a handle. [3] The Osborne 1 is about the size and weight of a sewing machine and was advertised as the only computer that would fit underneath an airline seat. [4] It is now classified as a "luggable" computer when compared to those later "laptop" designs such as the Epson HX-20.
Most portable applications do not leave files or settings on the host computer or modify the existing system and its configuration. The application may not write to the Windows registry [3] or store its configuration files (such as an INI file) in the user's profile, but today, many portables do; many, however, still store their configuration files in the portable directory.
In 1985, Compaq introduced the Portable 286, but it was replaced by the more compact Portable II in a redesigned case within a few months. The Portable 286 featured a full-height hard disk, and the options of one half-height floppy drive, two half-height floppy drives, or a half-height floppy drive and a tape backup drive.