Computing - Memory

By nathan7471

  • Analytical Engine

    Charles Babbage constructs the first punched card machine with a memory store called the Analytical Engine.

  • drum memory

    Gusta Tauschek builds drum memory.

  • electronic 50-bit words digital memory

    John Atanasoff and Clifford Berry build electronic 50-bit words digital memory

  • magnetic core memory

    The magnetic core memory with pulse transfer control was invented by Frederick Viehe, An Wang, and Kenneth Olsen independently.

  • Virtual Memory

    tlas virtual memory is invented.

  • cache computer memory

    Maurice Wilkes develops the idea of a cache computer memory

  • DRAM

    Robert Dennard invents and patents his Dynamic Random Access Memory, DRAM.

  • 1 Kb RAM chip.

    Intel creates a 1 Kb RAM chip.

  • MOS Dynamic RAM

    MOS Dynamic RAM is invented.

  • Read Only Memory

    The erasable and programmable Read Only Memory or EPROM is launched.

  • disk drive floppy

    The 5 1/2" Winchester disk drive floppy is created.

  • NOR and NAND flash memory

    NOR and NAND flash memory is invented by Toshiba.

  • EDO DRAM

    Extended Data Out DRAM

  • SDRAM

    Synchronous Dynamic RAM (SDRAM) is more commonly used.

  • DRDRAM/PSRAM

    Direct Rambus DRAM (DRDRAM) is developed.
    Pseudostatic RAM (PSRAM) is used.

  • Flash drives/DDR SDRAM

    Double Data Rate (DDR SDRAM) 266 MHz is used.
    8 MB Flash drives are available.

  • 16 MB Flash drives/DDR SDRAM

    Double Data Rate DDR SDRAM 333 MHz is developed.
    16 MB Flash drives are available.

  • DDR SDRAM 434 MHz

    Double Data Rate DDR SDRAM 434 MHz is used.

  • DDR SDRAM 500 MHz/64 MB Flash drives

    Double Data Rate DDR SDRAM is improved to 500 MHz.
    64 MB Flash drives are available.

  • DDR SDRAM 533 MHz

  • DDR2 SDRAM 800 MHz/MicroSD/External Hard Drives

    DDR2 SDRAM reaches 800 MHz.
    MicroSD cards are now available in capacities of 32, 64, and 128 MB
    500GB External Hard Drives are introduced.

  • DDR3 SDRAM 1333 MHZ, 1TB External Hard Drive

    DDR3 SDRAM reaches up to 1333 MHZ.
    1TB External Hard Drive is introduced.

  • 32 GB SDHC/ 12 GB Micro SDHC

    The 32 GB SDHC and 12 GB Micro SDHC is in development by Sandisk.

  • 3TB External Hard Drive.

  • 128 GB USB flash drives

    128 GB USB flash drives are available.

  • DDR4 SDRAM