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http://forums.egyup.com/showthread.php?t=375

  1. #1
    :: V . I . P ::
    Apr 2008
    498

    Red face




    : ROM

    . Read Only Memory . .
    . . .
    ROM :
    (1) PROM
    Programmable ROM . .
    (2) EPROM
    Erasable PROM . .
    (3) EEPROM
    Electrically Erasable PROM. ? . Flash BIOS .
    ------------------------
    : RAM

    . Random Access Memory. .
    .
    . . ? ɡ . .
    RAM .
    . .
    RAM ROM. RAM . .
    ROM RAM :

    (1) SRAM
    Static RAM. Static . . ? SRAM ɡ (Cache Memory) .

    (2) ASRAM
    Async SRAM SRAM. . .
    ߡ 66 33 .

    (3) SSRAM
    Sync SRAM .

    (4) PBSRAM
    Pipeline Burst SRAM . Pipeline.
    Pipeline . .
    ̡ . .
    . .
    Pipeline PBSRAM .
    ɡ 66 ҡ 400 .
    SRAM .

    (5) VRAM
    Video RAM . . RAMDAC ( ) ? VRAM .

    (6) WRAM
    Window RAM VRAM. Microsoft Windows ? ? 25% VRAM.

    (7) SGRAM
    Synchronous Graphics RAM . 100 .
    RAMDAC ʡ .
    ʡ .
    .

    (8) DRAM
    SRAM Dynamic RAM . . .
    SRAM .
    ɡ .

    (9) FPM DRAM
    Fast Page Mode DRAM . 286 386 .
    120 ɡ .
    60 .

    (10) EDO DRAM
    ̡ Extended Data Out DRAM. .
    FPM DRAM ݡ 30% .
    66 .

    (11) BEDO DRAM
    Burst EDO DRAM EDO RAM. Burst . ǡ .
    10 ɡ 66 .

    (12) SDRAM
    Synchronous DRAM Synchronous ɡ 150 7 . SDRAM ɡ 800 100 1050 133 .
    .
    PC66 66 PC100 100 .

    (13) DDR-DRAM
    SDRAM. ɡ 100 200 133 266 . Double Data Rate DRAM.
    ɡ 2100 .
    100% SDRAM. 10% .
    . PC1600 1600 PC2100 2100 .

    (14) RDRAM
    . Rambus 1990 . Nintendo Play Station Intel .
    Rambus RDRAM . 16 32 800 . ǡ 1600 16 .
    . . RDRAM DDR-DRAM.
    4 Intel. Intel .
    ɡ Rambus ɡ ڡ DDR-DRAM.

    lazez_rae2


    xxx


  2. #2

  3. #3
    :: V . I . P ::
    Apr 2008
    498

    :









    lazez_rae2



  4. #4


 
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