magnetic disks (1)
DESCRIPTION
Magnetic Disks (1). A portion of a disk track. Two sectors are illustrated. Magnetic Disks (2). A disk with four platters. Magnetic Disks (3). A disk with five zones. Each zone has many tracks. SCSI Disks. Some of the possible SCSI parameters. - PowerPoint PPT PresentationTRANSCRIPT
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Magnetic Disks (1)
A portion of a disk track. Two sectors are illustrated.
![Page 2: Magnetic Disks (1)](https://reader036.vdocuments.us/reader036/viewer/2022081519/56813931550346895da0da14/html5/thumbnails/2.jpg)
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Magnetic Disks (2)
A disk with four platters.
![Page 3: Magnetic Disks (1)](https://reader036.vdocuments.us/reader036/viewer/2022081519/56813931550346895da0da14/html5/thumbnails/3.jpg)
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Magnetic Disks (3)
A disk with five zones. Each zone has many tracks.
![Page 4: Magnetic Disks (1)](https://reader036.vdocuments.us/reader036/viewer/2022081519/56813931550346895da0da14/html5/thumbnails/4.jpg)
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SCSI Disks
Some of the possible SCSI parameters.
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RAID (1) Redundant Array of Inexpensive Disks
RAID levels 0 through 2. Backup and parity disks are shown shaded.
![Page 6: Magnetic Disks (1)](https://reader036.vdocuments.us/reader036/viewer/2022081519/56813931550346895da0da14/html5/thumbnails/6.jpg)
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RAID (1) Redundant Array of Inexpensive Disks
RAID levels 3 through 5. Backup and parity disks are shown shaded.
![Page 7: Magnetic Disks (1)](https://reader036.vdocuments.us/reader036/viewer/2022081519/56813931550346895da0da14/html5/thumbnails/7.jpg)
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CD-ROMs (1)
Recording structure of a Compact Disk or CD-ROM.
![Page 8: Magnetic Disks (1)](https://reader036.vdocuments.us/reader036/viewer/2022081519/56813931550346895da0da14/html5/thumbnails/8.jpg)
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CD-ROMs (2)
Logical data layout on a CD-ROM.
![Page 9: Magnetic Disks (1)](https://reader036.vdocuments.us/reader036/viewer/2022081519/56813931550346895da0da14/html5/thumbnails/9.jpg)
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CD-Recordables
Cross section of a CD-R disk and laser (not to scale). A CD-ROM has a similar structure, except without the dye layer and with a pitted aluminum layer instead of a reflective layer.
![Page 10: Magnetic Disks (1)](https://reader036.vdocuments.us/reader036/viewer/2022081519/56813931550346895da0da14/html5/thumbnails/10.jpg)
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DVD
A double-sided, dual layer DVD disk.