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Feb 6, 2024 · Digital Equipment Corporation became the number two computer company behind IBM with their popular PDP and VAX computer systems. Smaller, affordable hardware also brought about the development of important new operating systems such as Unix.
Digital circuitries of all kinds make heavy use of this technique. 1928 United States: IBM standardizes on punched cards with 80 columns of data and rectangular holes. Widely known as IBM Cards, they dominate the data processing industry for almost half a century. 1929 United States: Westinghouse AC Calculating board.
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Nov 11, 2023 · But originally IBM was founded in 1911 as the Computing-Tabulating-Recording Company (CTR) by Charles Ranlett Flint in Endicott, NY. Flint combined 4 smaller companies that made punch card and business data processing machines: Computing Scale Company of America. International Time Recording Company. Tabulating Machine Company.
Feb 13, 2024 · From the 19th century, through the 20th, and into the 21st, IBM was there, making HP, Microsoft, and Apple appear more like children or grandchildren of the IT world; Facebook, Google, and Twitter ...
- James W. Cortada
Timeline of Computing History. 4000 B.C. — 1300. About 79 A.D. The “Antikythera Device,” when set correctly according to latitude and day of the week, gives alternating 29- and 30-day lunar months. 250-230 B.C. The Sieve of Eratosthenes is used to determine prime numbers. 3000 B.C. The abacus is invented in Babylonia.
Jan 19, 2023 · IBM History: Many fascinating online exhibits, as well as inside information about the part IBM inventors have played in wider computer history. Wikipedia History of Computing Hardware: covers similar ground to this page. Computer history images: A small but interesting selection of photos. Transistorized!
The IBM series/360 computer with its Systems Network Architecture (SNA) led the industry into modern commercial computing, and was the basis for IBM’s spectacular growth . In the early 1970s, IBM replaced its 360 series with the system/370 series that used only integrated circuit chips.
