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Boston Computer Exchange was founded in 1982 as a marketplace for people who wanted to sell their used computers. Initially it was a paper database but quickly moved into a computerized database using Alpha 2 database manager on a dual floppy IBM PC.
The annual worldwide market share of personal computer vendors includes desktop computers, laptop computers, and netbooks but excludes mobile devices, such as tablet computers that do not fall under the category of 2-in-1 PCs. The global market leader has been Lenovo in every year since 2013, followed by HP and Dell.
Such systems may constitute personal computers (including desktop computers, portable computers, laptops, all-in-ones, and more), mainframe computers, minicomputers, servers, and workstations, among other classes of computing. The following is a list of notable manufacturers and
A few home computers had multiple processors, generally used for input/output devices. Processor speeds were not a competitive point among home computer manufacturers, and typically the processor ran either at its maximum rated speed ( between 1 and 4 MHz for most processor types here), or at some fraction of the television color subcarrier ...
Gaming computers are desktop computers with high performance CPU, GPU, and RAM optimized for playing video games at high resolution and frame rates. Gaming computer peripheries usually include mechanical keyboards for faster response time, [ 50 ] and a gaming computer mouse which can track higher dots per inch movement.
The VIC-20 was the first computer of any type to sell over one million units, and the 64 is still the highest-selling single model of personal computer ever, with over 17 million produced before production stopped in 1994 – a 12-year run with only minor changes. [91]