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The History of Computing by J.A.N. Lee "Things that Count: the rise and fall of calculators" The History of Computing Project; SIG on Computers, Information and Society of the Society for the History of Technology; The Modern History of Computing; A Chronology of Digital Computing Machines (to 1952) by Mark Brader
The history of computer science began long before the ... in computation was the abacus, ... orders of magnitude of their sexagesimal number system ...
An abacus (pl.: abaci or abacuses), also called a counting frame, is a hand-operated calculating tool which was used from ancient times in the ancient Near East, Europe, China, and Russia, until the adoption of the Hindu–Arabic numeral system. [1]
A Brief History of Computing, by Stephen White. An excellent computer history site; the present article is a modified version of his timeline, used with permission. The Evolution of the Modern Computer (1934 to 1950): An Open Source Graphical History, article from Virtual Travelog
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 ...
The history of computing hardware starting at 1960 is marked by the conversion from vacuum tube to solid-state devices such as transistors and then integrated circuit (IC) chips. Around 1953 to 1959, discrete transistors started being considered sufficiently reliable and economical that they made further vacuum tube computers uncompetitive .
Timeline of computing presents events in the history of computing organized by year and grouped into six topic areas: predictions and concepts, first use and inventions, hardware systems and processors, operating systems, programming languages, and new application areas.
A logical machine or logical abacus is a tool containing a set of parts that uses energy to perform formal logic operations through the use of truth tables. Early logical machines were mechanical devices that performed basic operations in Boolean logic .