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The first digital electronic computer was developed in the period April 1936 - June 1939, in the IBM Patent Department, Endicott, New York by Arthur Halsey Dickinson. [35] [36] [37] In this computer IBM introduced, a calculating device with a keyboard, processor and electronic output (display). The competitor to IBM was the digital electronic ...
Among the groups reporting to Shugart was the team that invented the floppy disk. Shugart joined Memorex in 1969 as Vice President of its Equipment Division and led the development of its 3660 (compatible with IBM 2314) and 3670 (compatible with IBM 3330) disk storage subsystems. His team also developed the Memorex 650, one of the first ...
The machine was not intended to be a practical computer but was instead designed as a testbed for the Williams tube, the first random-access digital storage device. [113] Invented by Freddie Williams and Tom Kilburn [114] [115] at the University of Manchester in 1946 and 1947, it was a cathode-ray tube that used an effect called secondary ...
A human computer, with microscope and calculator, 1952. It was not until the mid-20th century that the word acquired its modern definition; according to the Oxford English Dictionary, the first known use of the word computer was in a different sense, in a 1613 book called The Yong Mans Gleanings by the English writer Richard Brathwait: "I haue [] read the truest computer of Times, and the best ...
The Computer History in time and space, Graphing Project, an attempt to build a graphical image of computer history, in particular operating systems. The Computer Revolution/Timeline at Wikibooks "File:Timeline.pdf - Engineering and Technology History Wiki" (PDF). ethw.org. 2012. Archived (PDF) from the original on 2017-10-31
Lee De Forest invented the triode in 1906. The first example of using vacuum tubes for computation, the Atanasoff–Berry computer , was demonstrated in 1939. Vacuum-tube computers were initially one-of-a-kind designs, but commercial models were introduced in the 1950s and sold in volumes ranging from single digits to thousands of units.
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Reynold B. Johnson (July 16, 1906 – September 15, 1998) was an American inventor and computer pioneer. A long-time employee of IBM , Johnson is said to be the "father" of the hard disk drive . Other inventions include automatic test scoring equipment and the videocassette tape.