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Evolution of Memory & Storage Systems: A Technological Journey Through Time

Explore the fascinating history of memory and storage systems, from drum memory to dynamic RAM, and from punch cards to Seagate's first hard disk. Learn about the inventors, functioning, applications, and advantages of each technology over its predecessors. Dive into expert insights on the pros and cons of these innovations. Conduct research, interviews, and consult archives for a comprehensive report on these transformative technologies.

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Evolution of Memory & Storage Systems: A Technological Journey Through Time

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  1. History of Memory and Storage Systems Stefan Gloutnikov

  2. System Memory Technologies • - Drum Memory – 1932 • - Delay Line Memory (mercury) – mid-1940’s • - Williams tube & Selectron tube - 1946 • - Magnetic Drum Memory - 1947 • - Magnetic Core Memory – 1952-1953 • - Plated Wire Memory – 1957 • - Twistor Memory – 1968-mid-1970’s • - Bubble Memory – 1970’s • - *Dynamic RAM (DRAM) – 1968 (Patents granted)

  3. Memory Questions • History on the technology • Who and how it was invented • How each technology worked. • Where and how it was being used. • Benefits over previous technologies • Pros/Cons of using some of these technologies (from experts) • Volatile vs. Non-volatile

  4. Storage Technologies • Punch Cards – 1725-1975 • Paper Tape - 1846 - 1990s • Magnetic Tape – 1951 • IBM 1301 Disk Drive - 1961 • Era of Magnetic Disk Emerges (IBM 305 RAMAC) - 1952 • The Floppy Disk (8”, 5.25”, 3.5”) - 1969 • Seagate 1st Hard Disk for Microcomputers (ST506) - 1980

  5. Storage Questions • History on the technology • Who and how it was invented • How each technology worked. • Where and how it was being used. • Benefits over previous technologies • Pros/Cons of using some of these technologies (from experts)

  6. Research • Interview questions from experts on pros, cons, general experiences and thoughts on these technologies. • Advisors for our class. • Possibly computer history museum volunteers. • IBM Archives – well documented for own technologies • Computer History Museum Archives

  7. Deliverable • Report on the different memory and storage technologies from the past. • Answer questions proposed in previous slides for the technologies. • Include interviews from advisors and experts. • Images and schematics of the different technologies if they exist.

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