rp_05 ssd cd dvd
DESCRIPTION
Visoka Škola elektortehnike i računarstva u Beogradu, Prezentacija prof. dr. Zorana Banjca na predmetu Računari i PeriferijeTRANSCRIPT
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5. HDD +
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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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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
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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
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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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