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The Kenbak-1 has a total of nine registers. All are memory mapped. It has three general-purpose registers: A, B and X. Register A is the implicit destination of some operations.
Human computers were used to compile 18th and 19th century Western European mathematical tables, for example those for trigonometry and logarithms.Although these tables were most often known by the names of the principal mathematician involved in the project, such tables were often in fact the work of an army of unknown and unsung computers.
A page from the Bombardier's Information File (BIF) that describes the components and controls of the Norden bombsight, a highly sophisticated optical/mechanical analog computer used by the United States Army Air Force during World War II, the Korean War, and the Vietnam War to aid the pilot of a bomber aircraft in dropping bombs accurately.
Mary Allen Wilkes working on the LINC at home in 1965; thought to be the first home computer user The 1974 MITS Altair 8800 home computer (atop extra 8-inch floppy disk drive): one of the earliest computers affordable and marketed to private / home use from 1975, but many buyers got a kit, to be hand-soldered and assembled.
Apple II computer. Prior to the widespread use of microprocessors, a computer that could fit on a desk was considered remarkably small; the type of computers most commonly used were minicomputers, which, despite the name, were rather large and were "mini" only compared to the so-called "big iron".
Around 1820, Charles Xavier Thomas de Colmar created what would over the rest of the century become the first successful, mass-produced mechanical calculator, the Thomas Arithmometer. It could be used to add and subtract, and with a moveable carriage the operator could also multiply, and divide by a process of long multiplication and long ...
Cheung, van de Vijver, and Leong (2011) suggest, however, that the Openness factor is particularly unsupported in Asian countries and that a different fifth factor is identified. [ 167 ] Sopagna Eap et al. (2008) found that European-American men scored higher than Asian-American men on extroversion, conscientiousness, and openness, while Asian ...
The Nimrod, designed by John Makepeace Bennett, built by Raymond Stuart-Williams and exhibited in the 1951 Festival of Britain, is regarded as the first gaming computer.. Bennett did not intend for it to be a real gaming computer, however, as it was supposed to be an exercise in mathematics as well as to prove computers could "carry out very complex practical problems", not purely for enjoyme