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Human computers were involved in calculating ballistics tables during World War I. [38] Between the two world wars, computers were used in the Department of Agriculture in the United States and also at Iowa State College. [39] The human computers in these places also used calculating machines and early electrical computers to aid in their work ...
These machines were never actually built, as they were more of a thought experiment to produce new knowledge in systematic ways; although they could make simple logical operations, they still needed a human being for the interpretation of results. Moreover, they lacked a versatile architecture, each machine serving only very concrete purposes.
Before the 1920s, computers (sometimes computors) were human clerks that performed computations. They were usually under the lead of a physicist. Many thousands of computers were employed in commerce, government, and research establishments. Many of these clerks who served as human computers were women.
The second-generation computer architectures initially varied; they included character-based decimal computers, sign-magnitude decimal computers with a 10-digit word, sign-magnitude binary computers, and ones' complement binary computers, although Philco, RCA, and Honeywell, for example, had some computers that were character-based binary ...
To celebrate Black History month, Engadget is running a series of profiles honoring African American pioneers in the world of science and technology. Today we take a look at the life and work of ...
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
The smallest general-purpose computers were the B700 "microprocessors" which were used both as stand-alone systems and as special-purpose data-communications or disk-subsystem controllers. Burroughs manufactured an extensive range of accounting machines including stand-alone systems such as the Sensimatic , L500 and B80 and dedicated terminals ...
Additionally, TI made available a speech synthesizer, based on their own chip, for the TI-99/4 and its successor, the 4A. 1979: US VisiCalc spreadsheet software released. [20] 1979: US WordStar word processing software released. [20] Nov 1979: US Atari releases the Atari 400/800, high-performance game-oriented home computers based on the 6502 ...