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For the purposes of this list, a portable application is software that can be used from portable storage devices such as USB flash drives, digital audio players, PDAs [1] or external hard drives. To be considered for inclusion, an application must be executable on multiple computers from removable storage without installation, and without ...
The Compaq Portable was announced in November 1982 and first shipped in March 1983, [2] priced at US$2,995 (equivalent to $9,200 in 2023) with a single half-height 5¼" 360 kB diskette drive or $3,590 for dual, full-height diskette drives. The 28 lb (13 kg) Compaq Portable folded up into a luggable case the size of a portable sewing machine.
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.
The first commercially sold portable computer might be the 20-pound (9.1 kg) MCM/70, released 1974. [citation needed] The next major portables were the 50-pound (23 kg) IBM 5100 (1975), Osborne's 24-pound (11 kg) CP/M-based Osborne 1 (1981) and Compaq's 28-pound (13 kg), advertised as 100% IBM PC compatible Compaq Portable (1983).
Amstrad PPC512, closed Amstrad PPC640. The two computers had very similar specifications. The PPC512 had an NEC V30 [1] [3] processor running at 8 MHz, 512 KiB of memory, a full-size 102-key keyboard with a numeric keypad, a built-in liquid-crystal display (not backlit) [6] that could emulate the CGA or MDA [2] and either one or two 720k 3.5-inch floppy drives (the model was either the PPC512S ...
The Osborne 1 is the first commercially successful portable computer, released on April 3, 1981 by Osborne Computer Corporation. [1] It weighs 24.5 lb (11.1 kg), cost US$1,795, and runs the CP/M 2.2 operating system.
The Compaq Portable II is the fourth product in the Compaq Portable series to be brought out by Compaq Computer Corporation.Released in 1986 at a price of US$3499, the Portable II much improved upon its predecessor, the Compaq 286, which had been Compaq's version of the PC AT in the original Compaq Portable chassis; [5] Portable 286 came equipped with 6/8-MHz Intel 286 and a high-speed 20 MB ...
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.