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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.
A different model of computer use was foreshadowed by the way in which early, pre-commercial, experimental computers were used, where one user had exclusive use of a processor. [36] Some of the first computers that might be called "personal" were early minicomputers such as the LINC and PDP-8 , and later on VAX and larger minicomputers from ...
Processor clock speeds increased by more than tenfold between 1990 and 1999, and 64-bit processors began to emerge later in the decade. In the 1990s, microprocessors no longer used the same clock speed for the processor and the RAM. Processors began to have a front-side bus (FSB) clock speed used in communication with RAM and other components ...
Homebrew Computer Club; Homebuilt computer; List of home computers by video hardware classified by video interface; List of computers running CP/M contains a list of personal computers running CP/M. These were usually intended for small office use. List of Soviet computer systems includes many "home" systems as well as office and "big iron ...
The PowerPC 601, developed by IBM, Motorola and Apple Computer, was released. This was the first generation of PowerPC processors. 1992 The last "luggable" computer of the Compaq Portable series, the Compaq Portable 486, was released. 1992 IBM ThinkPad 700C laptop created. It was lightweight compared to its predecessors. [2] March 1992
Eventually, the concept of numbers became concrete and familiar enough for counting to arise, at times with sing-song mnemonics to teach sequences to others. All known human languages, except the Piraha language, have words for at least the numerals "one" and "two", and even some animals like the blackbird can distinguish a surprising number of items.
This small, cheap (US$750) personal computer, built using pre-microprocessor TTL technology, is one clear candidate for "first personal computer", and is so considered by the Computer History Museum and the American Computer Museum. [33] 1971: US
The history of computing hardware spans the developments from early devices used for simple calculations to today's complex computers, encompassing advancements in both analog and digital technology. The first aids to computation were purely mechanical devices which required the operator to set up the initial values of an elementary arithmetic ...