SUBSCRIBESUBSCRIBESUBSCRIBE TO PREMIUMHomeHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyGames & QuizzesVideosOn This DayOne Good FactDictionaryNew ArticlesHistory & SocietyHistoryPhilosophy & ReligionPolitics, Law & GovernmentSociety & Social IssuesScience & TechHealth & MedicineScienceTechnologyBiographiesBrowse BiographiesAnimals & NatureBirds, Reptiles & Other VertebratesEnvironmentFossils & Geologic TimeInsects & Other InvertebratesMammalsPlantsGeography & TravelGeography & TravelArts & CultureEntertainment & Pop CultureLiteratureSports & RecreationVisual ArtsImage GalleriesPodcastsSummariesTop QuestionsLists and StoriesBritannica KidsAsk the ChatbotGames & QuizzesHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyVideosmain memoryReferencesThe Information Architects of Encyclopaedia Britannica
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Encyclopædia Britannica, and create and manage the relationships between them.cache memoryâ¦an extension of, a computerâs main memory. Both main memory and cache are internal random-access memories (RAMs) that use semiconductor-based transistor circuits. Cache holds a copy of only the most frequently used information or program codes stored in the main memory. The smaller capacity of the cache reduces the timeâ¦â¦an extension of, a computerâs main memory. Both main memory and cache are internal random-access memories (RAMs) that use semiconductor-based transistor circuits. Cache holds a copy of only the most frequently used information or program codes stored in the main memory. The smaller capacity of the cache reduces the timeâ¦computer memory/ Main memory The earliest memory devices were electro-mechanical switches, or relays (see computers: The first computer), and electron tubes (see computers: The first stored-program machines). In the late 1940s the first stored-program computers used ultrasonic waves in tubes of The earliest memory devices were electro-mechanical switches, or relays (see computers: The first computer), and electron tubes (see computers: The first stored-program machines). In the late 1940s the first stored-program computers used ultrasonic waves in tubes ofcomputer/ Main memory The earliest forms of computer main memory were mercury delay lines, which were tubes of mercury that stored data as ultrasonic waves, and cathode-ray tubes, which stored data as charges on the tubesâ screens. The magnetic drum, invented about 1948, used an iron⦠The earliest forms of computer main memory were mercury delay lines, which were tubes of mercury that stored data as ultrasonic waves, and cathode-ray tubes, which stored data as charges on the tubesâ screens. The magnetic drum, invented about 1948, used an ironâ¦computer science/ Algorithms and complexityâ¦from the fact that the main memory of a computer (where the data is stored) is linear, consisting of a sequence of memory cells that are serially numbered 0, 1, 2,â¦. Thus, the simplest data structure is a linear array, in which adjacent elements are numbered with consecutive integer âindexesââ¦â¦from the fact that the main memory of a computer (where the data is stored) is linear, consisting of a sequence of memory cells that are serially numbered 0, 1, 2,â¦. Thus, the simplest data structure is a linear array, in which adjacent elements are numbered with consecutive integer âindexesââ¦
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- Other articles where main memory is discussed: cache memory: â¦an extension of, a computerâs main memory. Both main memory and cache are internal random-access memories (RAMs) that use semiconductor-based transistor circuits. Cache holds a copy of only the most frequently used information or program codes stored in the main memory. The smaller capacity of the cache reduces the timeâ¦