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40 Cards in this Set
- Front
- Back
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Quipu
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A system of knotted and colored ropes used to store information by the Incans.
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Tally Sticks
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Small sticks with information carved into them. They are the origin of the term "stock."
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Main Memory
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A fast and flexible form of memory used to hold running programs and data presently being used by the computer.
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Storage Memory
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A comparatively slower and cheaper type of memory that are used to hold files and programs for the long term.
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Paging
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A system of using storage as virtual memory
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RAM
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Random Access Memory
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Magnetic Rotating Drums
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An early form of memory that used magnetic coated cylinders that were written on and read by read/write heads.
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Delay Lines
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Converted data into binary, played out sounds, and converted the sound into bits in a cycle.
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Mercury Delay Lines
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A delay line that used mercury filled tubes with transducers at the ends.
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Magnetostrictive Delay Lines
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A delay line that used a long wire that was twisted by an electromagnet to store information.
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Semiconductor Memory
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Memory made from semiconductors
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Magnetic Core Memory
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Memory using an array of wires with small "donuts" charged a certain way to store information.
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Jay Forester
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An inventor of magnetic core memory
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An Wang
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An inventor of magnetic core memory
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Jan Rajchman
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An inventor of magnetic core memory
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Static RAM
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A type of RAM that stores data in transistor circuits. faster than dynamic RAM and does not need to be continuously refreshed.
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Fairchild Semiconductor
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A computer parts manufacturer
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ILLIAC IV
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Supercomputer built by the military and designed by Daniel Slotnick
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Dynamic Ram
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A form of ram that stores information in capacitors. It is slower than SRAM and needs to be refreshed.
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MOS DRAMS
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Dynamic RAM made from Metal Oxide Silicon
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IBM
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A computer company
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Flash Memory
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A storage type used in portable devices like iPods and SD cards that can be written to and erased from multiple times and erased in a second
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Fujio Masouka
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Inventor of Flash Memory, worked for Toshiba, but never received much credit.
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SSDs
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Solid State Drives are drives similar to Flash Memory that does not involve moving parts. and can fit into very thin laptops
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Punched Cards
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The first type of computer storage memory, it consisted of holes in paper cards that gave instructions and encoded data.
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Magnetic Tape
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The next type of storage memory that used magnetic coated tape, this was used in cassette tapes.
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UNIVAC
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Military computer that used magnetic tape
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Magnetic Disk Drive
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A type of storage memory with spinning magnetic disks
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IBM RAMAC 350
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The first disk drive that used 50 24" magnetic disks and stored the equivalent of 62,500 punched cards
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Rey Johnson
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Inventor of the RAMAC, a former school teacher who came to IBM after IBM saw potential in his test grading prototype.
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Jacob Rabinow
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An inventor who designed a disk drive that influenced the RAMAC
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LAN
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Local Area Network
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RAID
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Reluctant Array of Independent Disks
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Floppy Disk
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A small storage medium that has come in different sizes used for software distribution and general purpose storage in personal computers.
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Laserdisk
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Obsolete predecessor to the CD, the DVD, and the Blu-ray
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Bubble Memory, Charge-Coupled Device, Magnetic Core Rope etc...
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Failed storage mediums
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Database
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Organized, searchable collection of data
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Oracle
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A technology company that was founded with databases in mind
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Larry Ellison
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The co-founder and CEO of Oracle
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Digital Dark Age
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Idea that our rapidly changing and obsolete tech will plunge us into a dark age.
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