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Jan 29, 1387
abacus
also called a counting frame, is a calculating tool used primarily in parts of Asia for performing arithmetic processes. a table of successive columns which delimited the successive orders of magnitude of their sexigesminal number system. -
holes in cards
b. holes in cards, 1725, is a piece of stiff paper that contains digital information represented by the presence or absence of holes in predefined positions. -
the analytical machine
- the analytical machine, 1837, was a proposed mechanical general-purpose computer designed by English mathematician Charles Babbage. The Analytical Engine incorporated an arithmetic logic unit, control flow in the form of conditional branching and loops, and integrated memory, making it the first design for a general-purpose computer that could be described in modern terms as turing-complete
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von Neumann architecture
von Neumann architecture, 1936,computer architecture proposal by the mathematician and early computer scientist John Vonn Nuemann and others, first draft of a Report on the EDVAC. This describes a design architecture for an electronic digital computers with subdivisions of a processing unit consisting of an arithmetic logic unit and processor registers , a control unit containing an instruction register and program counter, memory to store both data and instructions, external mass storage, -
unix operating system
UNIX operating system,1973, officially trademarked as UNIX, sometimes also written as UNIX in small caps. Is a multitasking , multi-user computer operating system originally developed in 1969 -
ENIAC
ENIAC, June 5, 1943, Electronic Numerical Integrator And Computer. was the first electronic general-purpose computer . It was turing-complete, digital, and capable of being reprogrammed to solve a full range of computing problems.[ -
UNIVAC
UNIVAC,1946, the name of a line of electronic digital stored-program computers first electronic spreadsheet, 1962, is an interactive computer application program for organization and analysis of information in tabular form. Spreadsheets developed as computerized simulations of paper accounting worksheets . The program operates on data represented as cells of an array, organized in rows and columns. Each cell of the array is a model-view controller element that can contain either numeric or te -
cray-1
CRAY-1.1968, was a supercomputer designed, manufactured, and marketed by Cray research . The first Cray-1 system was installed at Los Alamos National Laboratory in 1976, and it went on to become one of the best known and most high-level programming language,1958, is a programming language with strong abstraction from the details of the computer . In comparison to low-level programming languages , it may use natural language elements, be easier to use, or may automate (or even hide entirely) s -
Macintosh
Macintosh, 1970, marketed as Mac, is a line of personal computers. It is targeted mainly at the home, education, and creative professional markets, and includes the descendants of the original iMac. -
apple
Apple, 1976, is an American multinational corporation headquartered in Cupertino, California[2] that designs, develops, and sells consumer electronics , computer software, and personal computers. Its best-known hardware products Windows,2010, A computer operating system with a graphical user interface. -
Pc
- PC,1990’s personal computer , a computer whose original sales price, size, and capabilities make it useful for individuals a. A personal computer that runs microsoft windows , as opposed to one that runs another operating system such as Macintosh or UNIX
