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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

04/21/23 CIS 102 - Chapter 4 3

404/21/23 CIS 102 - Chapter 4 4

Hard Drive/Fixed Disk

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Connector types

PATA connector SATA connector

04/21/23 CIS 102 - Chapter 4 5

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Hard Disk Drive

04/21/23 CIS 102 - Chapter 4 6

704/21/23 CIS 102 - Chapter 4 7

Platters

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Actuator

904/21/23 CIS 102 - Chapter 4 9

Read/Write Head

1004/21/23 CIS 102 - Chapter 4 10

Tracks

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Structure of a Master Boot RecordAddress

DescriptionSizeinbytesHex Dec

0000 0 Code Areamax.446

01B8 440Optional Disk signature

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01BC 444 Usually Nulls; 0x0000 2

01BE 446

Table of primary partitions(Four 16-byte entries, IBM Partition Table scheme)

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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

04/21/23 CIS 102 - Chapter 4 47

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

04/21/23 CIS 102 - Chapter 4

Blu-Ray

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Memory Card Reader

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What is a Memory Card?

04/21/23 CIS 102 - Chapter 4

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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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