Search results
Results From The WOW.Com Content Network
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.
There were in the past a number of marketing categories for smaller and larger laptop computers; these included "notebook" and "subnotebook" models, low cost "netbooks", and "ultra-mobile PCs" where the size class overlapped with devices like smartphone and handheld tablets, and "Desktop replacement" laptops for machines notably larger and ...
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.
In 2001, 125 million personal computers were shipped in comparison to 48,000 in 1977. [66] More than 500 million personal computers were in use in 2002 and one billion personal computers had been sold worldwide from the mid-1970s up to this time. Of the latter figure, 75% were professional or work related, while the rest were sold for personal ...
Laptops and notebooks continued to occupy discrete market segments into the mid-1990s, with unit sales tracked separately by research firms such as Dataquest. [24] [25] Notebooks were seen as having a footprint exactly that of or smaller than letter paper (8.5 by 11 inches or 22 by 28 centimetres), [a] while laptops were larger. [25]
The concept of flying cars has been a longstanding vision of the future … and the first flying cars were invented in the 1950s. Perhaps the most famous flying car prototype was the Aerocar.
Laptops might have been around almost from the beginning, but compared to desktop PCs of the day, they were expensive and inconvenient. Early.
Analog computers had an advantage over early digital computers in that they could be used to solve complex problems using behavioral analogues while the earliest attempts at digital computers were quite limited. A Smith Chart is a well-known nomogram.