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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]
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
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 .
The history of computer science began long before the modern discipline of computer science, usually appearing in forms like mathematics or physics. Developments in previous centuries alluded to the discipline that we now know as computer science. [ 1 ]
History of computing hardware (1960s–present) ... Open system (computing) P. ... History of programming languages; Programming Languages: History and Fundamentals ...
The counting board is the precursor of the abacus, [1] and the earliest known form of a counting device (excluding fingers and other very simple methods). Counting boards were made of stone or wood, and the counting was done on the board with beads, pebbles etc. [ 2 ] Not many boards survive because of the perishable materials used in their ...
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
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.