• Thumbnail for IBM 305 RAMAC
    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...
    16 KB (1,586 words) - 20:12, 25 August 2024
  • (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...
    73 KB (9,443 words) - 15:13, 15 September 2024
  • 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
  • Thumbnail for Vacuum-tube computer
    (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 (2,718 words) - 20:27, 25 August 2024
  • 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 (24,497 words) - 20:11, 25 August 2024
  • Thumbnail for IBM 370 printer
    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
  • Thumbnail for List of IBM products
    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...
    186 KB (19,362 words) - 15:31, 5 September 2024
  • 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) - 22:19, 20 July 2024
  • Thumbnail for IBM
    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...
    124 KB (10,473 words) - 08:22, 8 September 2024
  • Thumbnail for IBM 650
    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 (3,477 words) - 17:27, 28 August 2024
  • Thumbnail for IBM Research
    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 (4,395 words) - 20:15, 25 August 2024
  • Thumbnail for American National Exhibition
    as originally planned. "One of the more popular exhibits ... was the IBM RAMAC 305 computer. It could answer over 4,000 questions within a wide range of...
    25 KB (2,928 words) - 17:26, 6 September 2024
  • 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
  • Thumbnail for History of hard disk drives
    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) - 18:16, 15 September 2024
  • 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
  • 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...
    7 KB (849 words) - 20:18, 25 August 2024
  • Thumbnail for Disk sector
    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
  • Thumbnail for Disk storage
    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) - 02:53, 30 July 2024
  • 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 (627 words) - 18:42, 18 June 2024
  • 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
  • Thumbnail for Santa Teresa, San Jose
    Bautista Alvarado. RAMAC Park is named after the IBM 305 RAMAC, the first computer to use a disk drive, which was developed at the IBM Santa Teresa Lab...
    11 KB (753 words) - 12:14, 30 September 2023
  • Thumbnail for Plugboard
    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 (2,672 words) - 20:22, 25 August 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 (592 words) - 20:23, 25 August 2024
  • Thumbnail for Hard disk drive
    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...
    138 KB (14,071 words) - 18:52, 13 September 2024
  • counter by Mr. Overbeck, January 8, 1942" RAMAC 305 - IBM Customer Engineering Manual of Instruction (PDF). IBM. 1959. […] The Overbeck ring is used to...
    29 KB (2,294 words) - 17:19, 8 June 2024
  • Thumbnail for UNIVAC
    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...
    39 KB (4,458 words) - 01:15, 27 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...
    53 KB (5,370 words) - 08:29, 16 September 2024
  • general-purpose electronic computer. IBM introduced the first hard disk drive in 1956, as a component of their 305 RAMAC computer system.: 6  Most digital...
    37 KB (4,130 words) - 10:59, 16 September 2024
  • Taylor & Francis. p. 150. ISBN 9781884964473. Retrieved 4 June 2020. "RAMAC 305", IBM Customer Engineering Manual of Instruction (1959) Technical Education...
    2 KB (190 words) - 17:38, 8 June 2024
  • design phase for the IBM Stretch computer. IBM 650 RAMAC (a decimal addressed machine) announcement "The 650 RAMAC combines the IBM 650 Magnetic Drum Data...
    109 KB (12,601 words) - 11:00, 22 July 2024