• Thumbnail for Magnetic-core memory
    magnetic-core memory is a form of random-access memory. It predominated for roughly 20 years between 1955 and 1975, and is often just called core memory...
    41 KB (5,533 words) - 02:40, 9 May 2025
  • Thumbnail for Core rope memory
    Similar to magnetic-core memory, magnetic rings (or cores) are used to determine the data of the software. Unlike magnetic-core memory, the cores themselves...
    7 KB (698 words) - 17:15, 21 September 2024
  • Thumbnail for Drum memory
    FASTRAND series of drums. Drums were displaced as primary computer memory by magnetic core memory, which offered a better balance of size, speed, cost, reliability...
    10 KB (1,234 words) - 22:29, 24 September 2024
  • Thumbnail for Magnetic core
    A magnetic core is a piece of magnetic material with a high magnetic permeability used to confine and guide magnetic fields in electrical, electromechanical...
    34 KB (4,207 words) - 05:40, 4 July 2024
  • Thumbnail for Random-access memory
    memory location in any sequence was possible. Magnetic core memory was the standard form of computer memory until displaced by semiconductor memory in...
    58 KB (5,896 words) - 20:11, 8 May 2025
  • Magnetic memory may refer to: Magnetic storage, the storage of data on a magnetized medium Magnetic-core memory, an early form of random-access memory...
    407 bytes (88 words) - 20:48, 4 September 2019
  • Thumbnail for Computer memory
    terms RAM, main memory, or primary storage. Archaic synonyms for main memory include core (for magnetic core memory) and store. Main memory operates at a...
    29 KB (3,284 words) - 22:21, 18 April 2025
  • Thin-film memory is a high-speed alternative to magnetic-core memory developed by Sperry Rand in a government-funded research project. Instead of threading...
    3 KB (319 words) - 20:31, 31 January 2024
  • memory is a form of computer memory formed by wrapping magnetic tape around a current-carrying wire. Operationally, twistor was very similar to core memory...
    16 KB (2,437 words) - 07:26, 14 April 2025
  • of MOS memory chips. NMOS memory was commercialized by IBM in the early 1970s. MOS memory overtook magnetic core memory as the dominant memory technology...
    36 KB (3,551 words) - 15:24, 11 February 2025
  • Thumbnail for Plated-wire memory
    Plated-wire memory is a variation of magnetic-core memory developed by Bell Laboratories in 1957. Its primary advantage was that it could be assembled...
    4 KB (387 words) - 21:50, 21 January 2025
  • Look up core memory in Wiktionary, the free dictionary. Core memory or magnetic-core memory, is a form of random access computer memory used by computers...
    514 bytes (112 words) - 23:15, 23 June 2024
  • Thumbnail for Computer data storage
    or rotating magnetic drums as primary storage. By 1954, those unreliable methods were mostly replaced by magnetic-core memory. Core memory remained dominant...
    57 KB (6,534 words) - 20:57, 6 May 2025
  • Thumbnail for Core dump
    from magnetic-core memory, the principal form of random-access memory from the 1950s to the 1970s. The name has remained long after magnetic-core technology...
    23 KB (2,743 words) - 04:11, 30 April 2025
  • Thumbnail for Bubble memory
    Bubble memory is a type of non-volatile computer memory that uses a thin film of a magnetic material to hold small magnetized areas, known as bubbles or...
    30 KB (3,907 words) - 18:01, 10 April 2025
  • Magnetoresistive random-access memory (MRAM) is a type of non-volatile random-access memory which stores data in magnetic domains. Developed in the mid-1980s...
    47 KB (5,352 words) - 05:49, 19 April 2025
  • Thumbnail for Dynamic random-access memory
    performance over magnetic-core memory, bipolar DRAM could not compete with the lower price of the then-dominant magnetic-core memory. Capacitors had also...
    92 KB (11,072 words) - 15:40, 10 May 2025
  • Thumbnail for Non-volatile random-access memory
    early computers used magnetic drum which was non-volatile as a byproduct of its construction. The industry moved to magnetic-core memory in the later 1950s...
    18 KB (2,392 words) - 15:40, 8 May 2025
  • Thumbnail for Memory cell (computing)
    random-access memory (RAM). In that year, the first patent applications for magnetic-core memory were filed by Frederick Viehe. Practical magnetic-core memory was...
    28 KB (3,028 words) - 03:14, 29 September 2024
  • discs, floppy disks, and magnetic tape), and early computer storage methods such as punched tape and cards. Non-volatile memory is typically used for the...
    18 KB (1,929 words) - 00:26, 29 October 2024
  • Thumbnail for Static random-access memory
    introduced its first product, Intel 3101, a SRAM memory chip intended to replace bulky magnetic-core memory modules; Its capacity was 64 bits and was based...
    27 KB (3,323 words) - 21:59, 12 May 2025
  • Thumbnail for HP 2100
    circuits and magnetic-core memory, was released in 1966. Over the next four years, models A through C were released with different types of memory and expansion...
    48 KB (5,987 words) - 19:23, 21 December 2024
  • Thumbnail for Vacuum-tube computer
    drum memory of 1,000 to 4,000 10-digit words with an average access time of 2.5 milliseconds. Magnetic-core memory was patented by A Wang in 1951. Core uses...
    25 KB (2,727 words) - 11:30, 17 April 2025
  • Thumbnail for Memory hierarchy
    16 September 2009. Pádraig Brady. "Multi-Core". Retrieved 16 September 2009. van der Pas, Ruud (2002). "Memory Hierarchy in Cache-Based Systems" (PDF)...
    12 KB (1,204 words) - 23:21, 8 March 2025
  • Thumbnail for Core War
    in 1961. The word "Core" in the name comes from magnetic-core memory, an obsolete random-access memory technology. This term was then, and still today...
    20 KB (2,381 words) - 19:19, 14 April 2025
  • Thumbnail for Magnetic storage
    magnetic storage was also used for primary storage in a form of magnetic drum, or core memory, core rope memory, thin film memory, twistor memory or...
    18 KB (2,130 words) - 12:25, 8 May 2025
  • machines. An Wang was an important contributor to the development of magnetic-core memory. A native of Kunshan County in Suzhou (Soochow) Prefecture, he was...
    13 KB (1,338 words) - 15:41, 6 May 2025
  • Thumbnail for Read-only memory
    transistors as memory cell storage elements in semiconductor memory, a function previously served by magnetic cores in computer memory.[citation needed]...
    50 KB (5,727 words) - 05:28, 1 May 2025
  • Thumbnail for IBM 702
    to magnetic-core memory instead. The fourteenth 702 was built using magnetic-core memory, and the others were retrofitted with magnetic-core memory. The...
    5 KB (521 words) - 21:47, 12 February 2025
  • Thumbnail for UNIVAC 1105
    three core types. The UNIVAC 1105 had either 8,192 or 12,288 words of 36-bit magnetic core memory, in two or three banks of 4,096 words each. Magnetic drum...
    6 KB (605 words) - 18:37, 23 June 2024