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A+ Second Edition Copyright @ Genetic Computer School 2008 5-1 Lesson 5 Storage Devices
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A+ Second Edition Copyright @ Genetic Computer School 2008 5-2 Overview Integrated Drive Electronics (IDE) Solid-state Drives RAID Floppy Drivers CD-ROM DVD Tape Drives Some Interfaces
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A+ Second Edition Copyright @ Genetic Computer School 2008 5-3 Integrated Drive Electronics (IDE) It is also known as ATA It refers to any drive that has a built in controller
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A+ Second Edition Copyright @ Genetic Computer School 2008 5-4 ATA specifications The 40 PIN connector on the drive Timing of signals Allow for two devices to be connected to the same data cable that will interface with the system bus. The Master Slave concept when two drives are attached to one cable.
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A+ Second Edition Copyright @ Genetic Computer School 2008 5-5 Solid-state Drives Aim to Solve the problems associated with hard drive mechanism by replacing them with memory chips Offer low power consumption and heat production Get faster startup Get quick seek times without moving parts
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A+ Second Edition Copyright @ Genetic Computer School 2008 5-6 Redundant Array of Inexpensive Drives (RAID) Hard drives can be configured in a RAID configuration that is used for a variety of purposes including data recovery and increased read/write performance depending on the level of RAID employed.
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A+ Second Edition Copyright @ Genetic Computer School 2008 5-7 RAID Levels RAID Level 0 RAID Level 1 RAID Level 2 RAID Level 3 RAID Level 4 RAID Level 5
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A+ Second Edition Copyright @ Genetic Computer School 2008 5-8 Floppy Drivers The installation of a floppy drive Disk Types and Sizes (Data Storage)
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A+ Second Edition Copyright @ Genetic Computer School 2008 5-9 CD-ROM (Compact Disk Read Only Memory) It is a drive which reads aluminum- coated round plastic discs, however does not write to the discs. Newer CD-ROM drives have the capability to record data. CDFS (Compact Disk File System) is the type of filing system CD-ROMs use to store information.
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A+ Second Edition Copyright @ Genetic Computer School 2008 5-10 Types of CD Recorders There are two main types CD-R (Recordable) CD-R/RW (Recordable/Rewritable)
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A+ Second Edition Copyright @ Genetic Computer School 2008 5-11 DVDs Digital video disc or digital versatile disc (once) The next generation of optical disc storage technology (now) Physical formats DVD-ROM DVD-R Application formats DVD-Video DVD-Audio
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A+ Second Edition Copyright @ Genetic Computer School 2008 5-12 Tape Drives Quarter-Inch Cartridges (QIC) Digital Audio Tape (DAT) Digital Linear Tape (DLT)
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A+ Second Edition Copyright @ Genetic Computer School 2008 5-13 Some Interfaces Small Computer System Interface (SCSI) Communication Ports Para llel Port Serial Port PCMCIA
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