Upload
nicolette-slay
View
219
Download
3
Tags:
Embed Size (px)
Citation preview
Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
McGraw-Hill Technology Education
Chapter 6A
Operating System Basics
Operating System Basics
PART II
Device-dependentDevice-dependentRuns only on specific Runs only on specific
type of computertype of computer
Types of Operating SystemsWhat are some characteristics of operating systems?
NextNext
Downward compatibleDownward compatibleWorks with application Works with application
software written for software written for earlier version of earlier version of operating systemoperating system
Upward compatibleUpward compatibleRuns on new versions of Runs on new versions of
operating systemoperating system
Proprietary softwareProprietary softwarePrivately owned and Privately owned and
limited to specific vendor limited to specific vendor or computer modelor computer model
Device-independentDevice-independentRuns on many Runs on many
manufacturers’ manufacturers’ computerscomputers
Stand-aloneStand-alone
Types of Operating SystemsWhat are three categories of operating systems?
NextNext
EmbeddedEmbedded NetworkNetwork
Stand-Alone Operating Systems
How do Windowsversions compare?
NextNext
Windows VersionWindows Version Year ReleasedYear Released
Windows 3.xWindows 3.x 19901990
Windows NT 3.1Windows NT 3.1 19931993
Windows 95Windows 95 19951995
Windows NT Workstation 4.0Windows NT Workstation 4.0 19961996
Windows 98Windows 98 19981998
Windows Millennium EditionWindows Millennium Edition 20002000
Windows 2000 ProfessionalWindows 2000 Professional 20002000
Windows XPWindows XP 20012001
Windows XP SP2Windows XP SP2 20042004
Windows VistaWindows Vista 20062006
Fast, reliable Windows operating systemFast, reliable Windows operating system
Stand-Alone Operating SystemsWhat is Windows XP?
NextNext
Available in five Available in five editions: editions: Home Edition, Home Edition, Professional Professional Edition, Edition, Tablet PC Edition,Tablet PC Edition,Media Center Media Center Edition,Edition,and 64-bit Editionand 64-bit Edition
Successor to Windows XP, containing a new Successor to Windows XP, containing a new interface and new / enhanced featuresinterface and new / enhanced features
Stand-Alone Operating SystemsWhat is Windows Vista?
NextNext
Available in several Available in several editions, grouped into editions, grouped into Home and Business Home and Business categoriescategories
Windows Vista FeaturesWindows Vista Features
Reliability and PerformanceReliability and Performance
SecuritySecurity
Information ManagementInformation Management
Appearance and NavigationAppearance and Navigation
Communications and the InternetCommunications and the Internet
Stand-Alone Operating Systems
What are some features of Windows Vista?
NextNext
Stand-Alone Operating SystemsWhat is Mac OS X?
NextNext
Available only for computers manufactured Available only for computers manufactured by Appleby Apple
Macintosh operating Macintosh operating system has been system has been model for most GUIsmodel for most GUIs
Stand-Alone Operating SystemsWhat is UNIX?
NextNext
Used by power users because of its flexibility Used by power users because of its flexibility and powerand power
Most versions Most versions offer GUIoffer GUI
Available forAvailable forcomputers of allcomputers of allsizessizes
Stand-Alone Operating SystemsWhat is Linux?
NextNext
Popular, free, multitasking UNIX-type Popular, free, multitasking UNIX-type operating systemoperating system
Open-source software—Open-source software—code is available to code is available to publicpublic
Both a stand-alone Both a stand-alone and a network and a network operating systemoperating system
Linux Desktop
Network Operating Systems
What are examples of network operating systems?
NextNext
NetWareNetWare
Designed for Designed for client/server client/server
networksnetworks
Windows Windows Server 2008Server 2008
Upgrade to Windows Upgrade to Windows 2003 Server2003 Server
UNIX / LinuxUNIX / Linux
Multi-purposeMulti-purposeoperating systemoperating system
SolarisSolaris Version of UNIX Version of UNIX developed by Sun developed by Sun
MicrosystemsMicrosystems
Specifically for Specifically for e-commerce e-commerce applicationsapplications
Embedded Operating SystemsWhat is an embedded operating system?
NextNext
Found on most smart Found on most smart phones and small devicesphones and small devices
Windows Embedded CEWindows Embedded CE is is scaled-down version of scaled-down version of WindowsWindows
Embedded Operating SystemsWhat are three operating systems for PDAs?
NextNext
Windows MobileWindows Mobile for for Pocket PCPocket PC Palm OS for PalmPalm OS for Palm BlackberryBlackberry
Embedded Operating Systems
• Windows CE– Not based on a desktop OS– Customized for each device– PDA and cell phones– Microsoft Automotive will run in cars
Embedded Operating Systems
• Pocket PC– Developed to compete with Palm– Not customizable – Interacts securely with business networks– Can control PCs through PC
• Symbian– Found in smart cell phones– Games, Instant Messaging, Internet– Full color display
Embedded Operating Systems
• Palm OS– Standard on Palm PDA– First PDA OS for consumers– Can be found on cell phones
Embedded Operating SystemsWhat is Embedded Linux?
NextNext
Scaled-down Linux operating systemScaled-down Linux operating systemdesigned for smart phones, PDAs,designed for smart phones, PDAs,smart watches, set-top boxes,smart watches, set-top boxes,Internet telephones, and otherInternet telephones, and otherdevicesdevices
Offers many PIM functionsOffers many PIM functions
Embedded Operating SystemsWhat is Symbian OS?
NextNext
Open-source, multitasking operating system Open-source, multitasking operating system designed for smart phonesdesigned for smart phones
Make telephone calls, Make telephone calls, save appointments, save appointments, browse Web, send browse Web, send and receive text and picture and receive text and picture messages, e-mail messages, messages, e-mail messages, faxes, and morefaxes, and more
Stand-Alone Utility ProgramsWhat is a virus?
NextNext
Potentially damaging computer programPotentially damaging computer program Affects computer without user’s knowledgeAffects computer without user’s knowledge
SIGNS OF SIGNS OF VIRUS VIRUS
INFECTIONINFECTION
• An unusual message or image is displayed on the An unusual message or image is displayed on the computer screencomputer screen• An unusual sound or music plays randomlyAn unusual sound or music plays randomly• The available memory is less than what should be The available memory is less than what should be availableavailable• A program or file suddenly is missingA program or file suddenly is missing• An unknown program or file mysteriously appearsAn unknown program or file mysteriously appears• The size of a file changes without explanationThe size of a file changes without explanation• A file becomes corruptedA file becomes corrupted• A program or file does not work properlyA program or file does not work properly• System properties changeSystem properties change•The operating system runs much slower than usualThe operating system runs much slower than usual
Stand-Alone Utility ProgramsWhat is an antivirus program?
NextNext
Identifies and removes viruses in memory, storage Identifies and removes viruses in memory, storage media, and incoming filesmedia, and incoming files
Must be updated frequentlyMust be updated frequently
Stand-Alone Utility ProgramsWhat is a file compression utility?
NextNext
Shrinks size of files to free up room and improve Shrinks size of files to free up room and improve performanceperformance
Compressed files are sometimes called Compressed files are sometimes called zipped fileszipped files Two popular utilities: Two popular utilities:
PKZIP and WinZipPKZIP and WinZip
Stand-Alone Utility ProgramsWhat is a media player?
NextNext
Allows you to view Allows you to view images and animation, images and animation, listen to audio, and listen to audio, and watch video files on watch video files on your computeryour computer
Stand-Alone Utility ProgramsWhat is CD/DVD burning software?
NextNext
Writes text, graphics, Writes text, graphics, audio, and video files to audio, and video files to a recordable or a recordable or rewriteable CD or DVDrewriteable CD or DVD
Stand-Alone Utility ProgramsWhat is a personal computer maintenance utility?
NextNext
Identifies and fixes operating system problems and Identifies and fixes operating system problems and disk problemsdisk problems
Some continuously Some continuously monitor computer to monitor computer to identify problems identify problems before they occurbefore they occur
PC Operating Systems
• Macintosh operating systems– OS X– Based on FreeBSD Linux– Very stable and easy to configure– Only runs on Mac hardware
OS X Desktop
Summary of Operating Systems and Utility Programs
Chapter 6 CompleteChapter 6 Complete
Define an operating systemDefine an operating systemDefine an operating systemDefine an operating system
Discuss the functions common to Discuss the functions common to most operating systemsmost operating systems
Discuss the functions common to Discuss the functions common to most operating systemsmost operating systems
Introduce several utility programs commonly Introduce several utility programs commonly found in operating systemsfound in operating systems
Introduce several utility programs commonly Introduce several utility programs commonly found in operating systemsfound in operating systems
Discuss a variety of stand-alone Discuss a variety of stand-alone operating systems, network operating systems, operating systems, network operating systems,
and embedded operating systemsand embedded operating systems
Discuss a variety of stand-alone Discuss a variety of stand-alone operating systems, network operating systems, operating systems, network operating systems,
and embedded operating systemsand embedded operating systems
Describe several stand-alone Describe several stand-alone utility programsutility programs
Describe several stand-alone Describe several stand-alone utility programsutility programs