RP_05 SSD CD DVD

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Visoka Škola elektortehnike i računarstva u Beogradu, Prezentacija prof. dr. Zorana Banjca na predmetu Računari i Periferije

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  • 5. HDD +

    -

    [email protected]

  • HDD SSD

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  • HD :

    o o

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  • HD

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  • HD .o Windows C:, D: ...o HD .

    o .

    HD

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  • HD .o

    Windows 7 Windows XP :o Basic Disk, :

    Master boot record MBR ( )o Dynamic Disk ( ).

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  • Basic Disk

    HD:o MBR -Master boot record o PT-Partition table

    HD : boot sector

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  • Basic Disk Master boot record (MBR)

    o BIOSa (boot).

    o BIOS MBR .o MBR PT (partition table)

    .o MBR , PT - boot HDD.

    MBR

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  • Basic Disks PT (artition table) 4 .

    o 4 o 3 1 extended

    .

    (on/off) . PT.o ,

    . MBR

    .

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  • :

    o (bootable) o 4

    o

    o

    Extended :o

    o

    extended

    o

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  • 05_hdd + 11

  • volume boot sector.

    :o o o ...

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  • Dynamic Disks

    Windows 2000 (Server, Workstation)o XP Home Edition

    Volumeo

    1 .

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  • Dynamic Disks

    (volume)?o .o (C: D:, ...)o

    .

    "" , !o HDD,

    .

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  • Dynamic Disks basic disk dynamic

    disk . dynamic disk basic disk ,

    . dynamic disk

    o HDD , .

    o .o ,

    USB ,Firewire .

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  • HD

    :o : file systemo : root directory

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  • File Systems

    Windows 3 :

    o FAT16 ( FAT)

    o FAT32

    o NTFS

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  • File Allocation Table (FAT)

    File allocation table (FAT) ( ).

    16-bit FAT (FAT 16) 4 .o 0000 FFFF

    FAT o 1. : o 2. Bad sectors = FFF7 Good sectors = 0000

    FAT (write, read)

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  • FAT

    16 64 K (216)

    512

    64 K x 512 = 32 MB o .

    ?o ( ),

    2 GB

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  • :

    file allocation unito ,

    o 2 GB

    DOS, Windows 3.1, Windows 95 FAT 16

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  • FAT:

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  • FAT: ?

    Windows 0000 ( )

    , FFFF .

    1 , Windows .o ,

    .o .o FFFF

    (end-of-file).

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  • FAT :

    1

    2

    3

    4

    0000 = Good FFF7 = Bad FFFF = End of File23

  • FAT32

    FAT32 Windows 95 OSR2 (OEM Service Release 2)

    2 32

    o

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  • FAT32:

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  • NTFS

    1. 2. 3. 4. 5. 6.

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  • NTFS

    NTFS o FAT:

    Master File Table (MFT) NTFS

    o o Access Control List

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  • NTFS

    o

    Encrypting file systemo

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  • NTFS

    o

    HD

    o o NTFS 2 TB

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  • Solid State Disk: SSD

    + HDD+ Ko ().+ + + + - -

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  • Solid State Disk: SSD

    SSD : NAND

    o

    R -

    o

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  • SSD:

    SSD:o o o

    :o (ECC);o ;o ;o

    ;o ;o ... 32

  • SSD:

    NAND flash

    o o o DRAM

    DRAM o ( 10s)o o

    backup

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  • SSD:

    SSD

    DRAM .

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  • SSD:

    o Serijski ATA;o Serijski SCSI ();o PCI Express;o Fibre Channel ;o USB;o Paralelni ATA (IDE) interfejs (

    SATA);o (Paralelni) SCSI ( SAS;).

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  • SSD HD

    HD:o o o o ...

    SSD:o o R/Wo (

    !)

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  • SSD HD

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  • SSD HD

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  • O CD-ROM, CD-R, CD-RW DVD, DVD-RAM, DVDR, DVD RW, DVD R

    DL. :

    HDD

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  • CD -

    :o CD ROM Drive

    CD-ROM (Compact Disk-Read Only Memory)

    o Drive CD .

    o CD (Compact Disk) (~600MB )

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  • CD

    ( )

    CD

    (single-sided)

    o o

    HDDo

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  • CD (buffer):

    CD-o CD (>500KB)

    . o

    .

    o

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  • CD- o

    ~0.5m

    ~ 1.6m.

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  • o ~300.000 o o

    o (constant linear velocity - CLV )

    o : CD

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  • CD ROM: 210 539 /min.o 150KB/s

    ( )o : 2x, 3x, 4x, .....o o 12x,

    (constant angular velocity - CAV ) CLV

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  • CD-ROM

    , ,

    CD- :o (flats, lands)o (it)

    CD-

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  • . .

    .

    . . "1" "0"

    , .

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  • CD-R

    CD-R compact disk recordable () CD-ROM-a

    o

    -

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  • CD-R (

    !) o

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  • CD-R

    o o o ~30nmo /o ,

    , ...

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  • CD-R

    CD-R

    :

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  • CD-RW e CD-R :

    .o 1

    o o 2

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  • CD

    44.1KHzo 16 (2 )o 2 o 1s . 44.100 x 2 x 2 = 176.400

    1 = 2.353

    o 75 o 74 2.353 x 75 x 60 x 74 = 747

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  • CD -

    CD (B/s)

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  • (Seek time):

    (Latency):

    (Access Time)

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  • CD

    CD (ms)

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  • DVD-R Digital Versatile Disc - Recordable

    o (Digital Video Disc) 640nm 4.7 GB 18 GB

    o ,o

    2418 o 2048

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  • 5 5 GB, 10 GB, 9 GB, 14 GB & 18 GB single/dual layer single/double-sided

    DVD 4.7GB.

    9.4GB .

    Single side Single Layer - SS SL

    Double side Single Layer - DS SL

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  • Mitsui Advanced Media, Inc America

    8.5GB

    17GB .

    Single side Dual Layer - SS DL

    Double side Dual Layer - DS DL

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  • DVD-RW

    o DVD-R,

    CD-RW

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  • HD - High Definition

    ?

    TV 480 , HD 1280

    5 HD .

    DVD

    :Blu-ray HD DVD .

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  • Blu-ray T

    blue-violet

    o Blu-ray Disc Association

    180 Dell Sony LG ...

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  • Blu-ray T

    o 405 nmo

    0.4m 0.15m

    0.74m

    0.32m

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  • Blu-ray 5 SS SL DVD. 25 GB

    DVD, Blu-ray Dual-Layer . 50 GB

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  • (~10min/disk)

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  • BD-ROM (read-only) BD-R (recordable) PC BD-RW (rewritable) - PC BD-RE (rewritable) - HDTV

    o Single layer 2 HD o Dual layer 4.5 HD o

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  • :o BD/CD/DVD

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  • , ...

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