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The Société d'électronique et d'automatisme (SEA) was an early French computer manufacturer established in 1947 by electrical engineer François-Henri Raymond, which designed and put into operation a significant portion of the first computers in France during the 1950s. [1] [2]
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The Micral V Portable [22] (1978) could run FORTRAN and assembler under the Sysmic operating system, or BAL. [23] The original Sysmic operating system was renamed Prologue in 1978. Prologue was able to perform real-time multitasking, and was a multi-user system. R2E offered CP/M for the Micral C in 1979. [24] PORTAL (1980)
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).
In France, the company R2E (Réalisations et Etudes Electroniques) formed by five former engineers of the Intertechnique company, André Truong Trong Thi [38] [39] and François Gernelle [40] introduced in February 1973 a microcomputer, the Micral N based on the Intel 8008. [41]
A 2-in-1 laptop, also known as 2-in-1 PC, 2-in-1 tablet, [1] laplet, [2] [3] tabtop, laptop tablet, or simply 2-in-1, is a portable computer that has features of both tablets and laptops. 2-in-1 PCs consist of portable computer components within light and thin chassis , and exemplify technological convergence .
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.
This, combined with its single-board construction, made the Apple I an elegant and inexpensive machine for its day, though competitors such as the Sol-20 and Sphere 1 offered similar feature sets. The large, horizontal chip on the top-left of the main board is the Signetics 2513 character generator .