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FASTRAND was a magnetic drum mass storage system built by Sperry Rand Corporation (later Sperry Univac) for their UNIVAC 1100 series and 418/490/494 series computers. A FASTRAND subsystem consisted of one or two Control Units and up to eight FASTRAND units.
This is a list of some drum makers, individuals and companies known for making drums and accessories, such as drum sticks. It includes defunct companies, and companies who additionally make instruments other than drums, and manufacturers of cymbals, which are a common component of drum sets.
This page was last edited on 26 October 2010, at 09:13 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Drum memory was a magnetic data storage device invented by Gustav Tauschek in 1932 in Austria. [ 1 ] [ 2 ] Drums were widely used in the 1950s and into the 1960s as computer memory . Many early computers, called drum computers or drum machines, used drum memory as the main working memory of the computer. [ 3 ]
The IBM 2301 is a magnetic drum storage device introduced in the late 1960s to "provide large capacity, direct access storage for IBM System/360 Models 65, 67, 75, or 85." The vertically mounted drum rotates at around 3,500 revolutions per minute, and has a head-per-track access mechanism and a capacity of 4 MB.
This category contains companies that manufacture percussion instruments and accessories, such as drum sticks. Subcategories This category has the following 2 subcategories, out of 2 total.
The IBM 650 Magnetic Drum Data-Processing Machine is an early digital computer produced by IBM in the mid-1950s. [ 2 ] [ 3 ] It was the first mass-produced computer in the world. [ 4 ] [ 5 ] Almost 2,000 systems were produced, the last in 1962, [ 6 ] [ 7 ] and it was the first computer to make a meaningful profit. [ 7 ]
It was difficult to get a company off the ground in 1933, but an order by Jefferson Electric started the ball rolling, and the company quickly developed a reputation. Victor Rea died of a heart attack in 1954, thus Samuel Rea (his son), became the new president. On January 18, 1960, Rea Magnet Wire was purchased by Alcoa. Sales manager Robert L ...
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