Chapter 4 Storage Devices
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Transcript of Chapter 4 Storage Devices
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Chapter 4 Chapter 4 Storage DevicesStorage Devices
Chapter 4 Chapter 4 Storage DevicesStorage Devices
Maran Illustrated ComputersMaran Illustrated Computers
CIS 102CIS 102
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ContentsWhat is a hard drive? What is the difference between a CD-ROM drive and a CD-RW drive? Why would you use a flash drive? Learn about storage devices in this chapter.
• Hard Drive• Floppy Drive• CD-ROM Drive• CD-RW Drive
• DVD-ROM Drive• DVD+/-RW Drive• Memory Card
Reader• Flash Drive• Tape Drive
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Hard Drive Contents
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Hard Drive/Fixed Disk
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Connector types
PATA connector SATA connector
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Hard Disk Drive
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Platters
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Actuator
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Read/Write Head
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Tracks
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Structure of a Master Boot RecordAddress
DescriptionSizeinbytesHex Dec
0000 0 Code Areamax.446
01B8 440Optional Disk signature
4
01BC 444 Usually Nulls; 0x0000 2
01BE 446
Table of primary partitions(Four 16-byte entries, IBM Partition Table scheme)
64
01FE 510 55h MBR signature;0xAA55
201FF 511 AAh
MBR, total size: 446 + 64 + 2 = 51204/21/23 CIS 102 - Chapter 4 11
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More Storage
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Back Up Data
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Hard Disk Failure
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Archive Data
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Internal Hard drive
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External Hard Drive
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Storage Capacity
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Speed
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Cache
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Remove Files & Programs
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Archive Files
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Tips for Backing Up
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Protect Against Viruses
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Defragment a Hard Drive
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Repair Hard Drive Errors
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Efficiently Store Data
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CD-ROM Drive
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CD-ROM Drive Application Install Program
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Play Music CDs
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Play Reference CD-ROM Discs
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CD-ROM Drive Speed
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Storage Capacity
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Handle and Protect a Disc
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CD-RW Drive
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CD-RW Applications – Store & Transfer Files
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Internal CD-RW Drive
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External CD-RW Drive
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Drive Speed & Recordable CD
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Combo Drive
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DVD-ROM Drive
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Play DVDs and CDs
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DVD-ROM Drive Speed
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Recordable DVDs – Disc Speeds
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Types of Recordable Disc
• DVD+/-RW records several types of recordable DVDs.
• Can record: – DVD+R (recordable)– DVD-R records only once– DVD+RW (ReWritable) or DVD-RW can
erase and re-record hundreds of times• DVD+R and DVD-R less expensive
than DVD+RW or DVD-RW
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Disc Storage Capacity• DVD can be single or double-sided• All DVD+/-RW can play and record on
single and double-sided DVDs.• To record on double-sided you must flip
over.• Can store 1 or 2 layers of data on each
side• All DVD drive can play single and dual-
layer discs, but need special dual-layer drive to record on dual-layer
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Disc Storage (cont.)
• The capacity is determined by single, double, single-layer, or dual-layer
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Single-Layer (SL)
Dual-Layer (DL)
Single-sides (SS) 4.7 GB 8.5 GB
Double-sided (DS)
9.4 GB 17 GB
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Protect a Disc
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High-Definition Video
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Blu-Ray
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Memory Card Reader
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What is a Memory Card?
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Types of Memory Cards
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Sony Flash Memory Cards
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Lock
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Microdrive
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Hitachi Flash Drive
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Multimedia Card (MMC)
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Secure Digital Memory Card
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Lock
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Smart Media Card
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xD card
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Care and Handling
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Data Transfer
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Data Storage
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Memory Card Reader
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Flash Drive
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How does it work?
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Flash Memory
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File Storage
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MP3 capabilities
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Security
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File Transfer
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Tape Drive
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Compress Data
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Types of Tape Drives
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