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3 days ago · Keypunch. IBM 026 Keypunch. Keypunch operators at work at the U.S. Social Security Administration in the 1940s. Operators compiling hydrographic data for navigation charts on punch cards using the IBM Type 016 Electric Duplicating Key Punch, New Orleans, 1938. A keypunch is a device for precisely punching holes into stiff paper cards at ...
1 day ago · In the late 1880s, the American Herman Hollerith invented data storage on punched cards that could then be read by a machine. [25] To process these punched cards, he invented the tabulator and the keypunch machine. His machines used electromechanical relays and counters. [26] Hollerith's method was used in the 1890 United States Census.
2 days ago · Sir John Ambrose FlemingFRS[1](29 November 1849 – 18 April 1945) was an English electrical engineerand physicistwho invented the first thermionic valve or vacuum tube,[2]designed the radio transmitterwith which the first transatlantic radio transmission was made, and also established the right-hand ruleused in physics.
1 day ago · In his popular book "Designing the User Interface: Strategies for Effective Human-Computer Interaction", Shneiderman reveals his eight golden rules of interface design: Strive for consistency by utilizing familiar icons, colors, menu hierarchy, call-to-actions, and user flows when designing similar situations and sequence of actions.
2 days ago · Father Brown is a popular British TV show based on the character created by G. K. Chesterton. The cast of Father Brown consists of talented actors and actresses who bring the beloved characters to life on screen. In this section, you will find a list of the main actors and brief bios of the characters they portray in the show.
5 days ago · Study with Quizlet and memorize flashcards containing terms like Charles Babbage, the Difference Engine, until 1991 when the Science Museum of London built a working difference engine based on and more.
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2 days ago · Hollerith: 1 n United States inventor who invented a system for recording alphanumeric information on punched cards (1860-1929) Synonyms: Herman Hollerith Example of: artificer , discoverer , inventor someone who is the first to think of or make something