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R2E CCMC Portal laptop. The portable microcomputer "Portal", of the French company R2E Micral CCMC, officially appeared in September 1980 at the Sicob show in Paris.The Portal was a portable microcomputer designed and marketed by the studies and developments department of the French firm R2E Micral in 1980 at the request of the company CCMC specializing in payroll and accounting.
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
Microfloppy laptop portable XT 286: 5162: September 1986: April 1987: 80286: Slow hard disk, but zero wait state memory on the motherboard. This 6 MHz model is faster than the 8 MHz AT models (when using planar memory) because of its zero wait state memory.
It is now classified as a "luggable" computer when compared to those later "laptop" designs such as the Epson HX-20. The Osborne 1 was described as "a cross between a World War II field radio and a shrunken instrument panel of a DC-3 ", [ 5 ] and Felstenstein admitted that carrying two of them to a trade show "nearly pulled my arms out of their ...
The IBM 5100 Portable Computer is one of the first portable computers, [1] introduced in September 1975, six years before the IBM Personal Computer, and eight before the first successful IBM compatible portable computer, the Compaq Portable.
The LEO (Lyons Electronic Office) was a series of early computer systems created by J. Lyons and Co. The first in the series, the LEO I, was the first computer used for commercial business applications.
R2E CCMC Portal laptop in September 1980 at the SICOB show in PARIS. The portable micro computer; the "Portal" of the French company R2E Micral CCMC officially appeared in September 1980 at the Sicob show in Paris. The Portal was a portable microcomputer designed and marketed by the studies and developments department of the French firm R2E ...
A Vacuum tube module from early 700 series IBM computers. In the early 1950s, each computer design was unique. There were no upward-compatible machines or computer architectures with multiple, differing implementations.