The IBM 305 RAMAC was the first commercial computer that used a moving-head hard disk drive (magnetic disk storage) for secondary storage. The system...
17 KB (1,705 words) - 04:03, 21 April 2025
(FDD), are used. The IBM 350 disk storage unit, the first disk drive, was announced by IBM as a component of the IBM 305 RAMAC computer system on September...
75 KB (9,526 words) - 09:33, 25 March 2025
LGP-30, Bendix G-15 and IBM 305 RAMAC computers used vacuum tubes and drum memory too, but they were quite different from the IBM 650. Instructions read...
38 KB (3,472 words) - 05:36, 13 May 2025
RAMAC may refer to: IBM 305 RAMAC, a computing system introduced in 1956 IBM 350 RAMAC, a disk storage unit introduced in 1956 as a bundled component of...
509 bytes (103 words) - 14:59, 9 December 2020
production IBM 305 RAMAC system including IBM Model 350 disk storage. US Patent 3,503,060 issued March 24, 1970, and arising from the IBM RAMAC program is...
45 KB (4,883 words) - 19:20, 8 May 2025
commercial stored-program computer, the vacuum tube based IBM 701, in 1952. The IBM 305 RAMAC introduced the hard disk drive in 1956. The company switched...
133 KB (11,336 words) - 12:31, 9 May 2025
developments was the IBM 350, the first commercial moving head hard disk drive. Launched in 1956, this saw use in the IBM 305 RAMAC computer system. Subdivisions...
45 KB (4,452 words) - 04:41, 25 April 2025
standards. These included: IBM 650 (vacuum tube logic, decimal architecture, drum memory, business and scientific) IBM 305 RAMAC (vacuum tube logic, first...
16 KB (1,805 words) - 13:50, 1 May 2025
products, including the IBM 700 series of computer systems, IBM 650, IBM 305 RAMAC with disk drive memory, and IBM 1401, positioned IBM as the world's leading...
217 KB (24,520 words) - 13:29, 30 April 2025
entry. IBM 305: RAMAC: Random Access Method of Accounting and Control; 1956 IBM 305: Processing Unit IBM 323: IBM 305 Card Punch IBM 340: IBM 305 Power...
189 KB (19,560 words) - 10:23, 4 May 2025
John Haanstra (category IBM employees)
leader in the development of the RAMAC 350 disk drive. He then became responsible for designing the 1956 IBM 305 RAMAC system which was the first commercial...
8 KB (857 words) - 21:06, 1 May 2025
cables. The first production IBM hard disk drive, the 350 disk storage, shipped in 1957 as a component of the IBM 305 RAMAC system. It was approximately...
139 KB (14,137 words) - 16:48, 25 April 2025
The IBM 370 printer was used on the IBM 305 RAMAC computer system, introduced by IBM on September 14, 1956. The 370 was connected to the 305 by a serial...
3 KB (281 words) - 16:13, 11 March 2024
abandoned and fenced off. RAMAC Park, which sits adjacent to the now-abandoned Building 11, was named after the IBM 305 RAMAC computer. IBM Research has their...
21 KB (1,714 words) - 07:17, 3 May 2025
(IBM RAMAC 305), the direct ancestor of all the hard disk drives we use today. Even computer graphics began during the vacuum tube era with the IBM 740...
25 KB (2,727 words) - 11:30, 17 April 2025
Alan Shugart (category IBM employees)
1951 as a field engineer at IBM. In 1955, he transferred to the IBM San Jose laboratory where he worked on the IBM 305 RAMAC. He rose through a series of...
8 KB (636 words) - 09:13, 10 April 2025
commercial digital disk storage device was the IBM 350 which shipped in 1956 as a part of the IBM 305 RAMAC computing system. The random-access, low-density...
14 KB (1,375 words) - 22:51, 18 April 2025
that developed the 350 Disk Storage Unit, a major component of the IBM 305 RAMAC Computer. The magnetic disk drive represented a technological leap forward...
9 KB (1,141 words) - 20:28, 25 August 2024
was used by Eastern Air Lines. It competed mainly against the IBM 650 and the IBM 305 RAMAC and a total of 130 were manufactured. The UNIVAC II was an improvement...
40 KB (4,478 words) - 23:54, 29 April 2025
305 may refer to: 305 (number) 305 AD, a year 305 BC, a year IBM 305 RAMAC, the first commercial computer to use a hard disk drive Lenovo IdeaPad 305...
2 KB (311 words) - 17:24, 16 September 2024
Reynold B. Johnson (category IBM Fellows)
by Johnson developed disk data storage technology, which IBM released as the IBM 305 RAMAC. Although the first disk drive was crude by modern standards...
6 KB (607 words) - 07:44, 15 April 2025
hard-disk drive, the IBM 305 RAMAC (1956), used forced air to maintain a 0.002 inch (51 μm) between the head and disk. The IBM 1301, introduced in 1961...
4 KB (425 words) - 23:20, 29 June 2024
Plugboard (category IBM unit record equipment)
edge) first. IBM (1956). IBM Reference Manual: Functional Wiring Principles (PDF). 22-6275-0. IBM 305 RAMAC Manual of Operation IBM (1956). IBM Punched Card...
19 KB (2,678 words) - 20:22, 25 August 2024
General Secretary of the Communist Party of the Soviet Union. 1956 – The IBM 305 RAMAC is introduced, the first commercial computer to use disk storage. 1956...
55 KB (5,448 words) - 09:25, 30 April 2025
(1996). Building IBM: Shaping an Industry and its Technology. The MIT Press. IBM100, Patents and Inventions, https://www.ibm.com/ibm/history/ibm100/us/en/icons/patents/...
27 KB (936 words) - 17:02, 30 April 2025
as originally planned. "One of the more popular exhibits ... was the IBM 305 RAMAC computer. It could answer over 4,000 questions within a wide range of...
26 KB (3,067 words) - 10:46, 16 March 2025
returned a new card with those numbers that was then sent into the IBM 305 RAMAC, the first computer with a hard drive, which returned the complete document...
11 KB (1,631 words) - 17:24, 5 January 2024
CC automobile (1945) DeVilbiss Co. air compressor (1948) IBM 702 computer (1954) IBM 305 RAMAC business computer (first disk drive and architectural character...
6 KB (693 words) - 06:33, 5 October 2023
Big Bear became the first supermarket in the nation to use the new IBM 305 RAMAC mainframe computer. In 1954, a new prototype store was opened in north...
11 KB (1,505 words) - 02:52, 1 September 2024
ISBN 9780203494455. 305 RAMAC Random Access Method of Accounting and Control Manual of Operation (PDF). IBM. 1957. IBM 1301, Models 1 and 2, Disk Storage and IBM 1302...
16 KB (1,914 words) - 11:09, 1 September 2024