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The modern binary number system, the basis for binary code, is an invention by Gottfried Leibniz in 1689 and appears in his article Explication de l'Arithmétique Binaire (English: Explanation of the Binary Arithmetic) which uses only the characters 1 and 0, and some remarks on its usefulness. Leibniz's system uses 0 and 1, like the modern ...
A binary number may also refer to a rational number that has a finite representation in the binary numeral system, that is, the quotient of an integer by a power of two. The base-2 numeral system is a positional notation with a radix of 2 .
This machine invented the principle of the modern computer and was the birthplace of the stored program concept that almost all modern day computers use. [52] These hypothetical machines were designed to formally determine, mathematically, what can be computed, taking into account limitations on computing ability.
Alan Turing is credited with being the first person to come up with a theory for software in 1935, which led to the two academic fields of computer science and software engineering. The first generation of software for early stored-program digital computers in the late 1940s had its instructions written directly in binary code , generally ...
Helped establish and taught the first graduate course in computer science (at Harvard); invented the APL programming language; contributions to interactive computing 1801 Jacquard, Joseph Marie: Built and demonstrated the Jacquard loom, a programmable mechanized loom controlled by a tape constructed from punched cards 1206 Al-Jazari
Charles Babbage KH FRS (/ ˈ b æ b ɪ dʒ /; 26 December 1791 – 18 October 1871) was an English polymath. [1] A mathematician, philosopher, inventor and mechanical engineer, Babbage originated the concept of a digital programmable computer.
Donald Ervin Knuth (/ k ə ˈ n uː θ / [3] kə-NOOTH; born January 10, 1938) is an American computer scientist and mathematician.He is a professor emeritus at Stanford University.
This experimental model is binary, executed addition and subtraction in octal binary code and is the first binary digital electronic computing device. The Atanasoff–Berry computer was intended to solve systems of linear equations, though it was not programmable.