MCS 2020 Chapter Notes - Chapter 4: Local Area Network, Altair 8800, Wide Area Network
20 Oct 2017
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Document Summary
First digital computing devices were invented in the 1940s. First commercial computers were available in the 1950s. First personal computers (pcs) came on the market in the early 1980s. The internet and cellular phones came into wide-spread use during the 1990s after the world wide social networking emerged in the early part of the twenty-first century. Eniac (electronic numerical integrator and computer), originally designed in 1946 to calculate missile firing tables, was the first reprogrammable general-purpose computer. It was large, complex, and expensive and only ran one program at a time. The feruat, the first digital computer in canada (installed at the university of. Toronto in 1952) was one of only a small number of digital computers in north. The first commercial digital computers, which were large, room-sized devices based on now-obsolete vacuum tube technology, were called mainframes and were mainly used by businesses and government.
