SlideShare ist ein Scribd-Unternehmen logo
1 von 27
Downloaden Sie, um offline zu lesen
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
Chapter 05: System SoftwareChapter 05: System SoftwareChapter 05: System SoftwareChapter 05: System Software
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-2McGraw-Hill
CompetenciesCompetencies (Page 1 of 2)(Page 1 of 2)
• Describe the differences betweenDescribe the differences between system softwaresystem software
and application softwareand application software
• Discuss the four types of system softwareDiscuss the four types of system software
• Discuss the basic functions, features, andDiscuss the basic functions, features, and
categories ofcategories of operating systemsoperating systems
• DescribeDescribe WindowsWindows,,
Mac OSMac OS,, UNIXUNIX,, LinuxLinux,,
andand virtualizationvirtualization
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-3McGraw-Hill
CompetenciesCompetencies (Page 2 of 2)(Page 2 of 2)
• Describe the purpose ofDescribe the purpose of utilitiesutilities andand utility suitesutility suites
• Identify the five most essential utilitiesIdentify the five most essential utilities
• Discuss Windows utility programsDiscuss Windows utility programs
• DescribeDescribe device driversdevice drivers, including Windows’, including Windows’
Add a Device WizardAdd a Device Wizard andand UpdateUpdate
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-4McGraw-Hill
IntroductionIntroduction
• Computers are ubiquitous in our lives andComputers are ubiquitous in our lives and
we expect them to “be there when wewe expect them to “be there when we
need them”.need them”.
• We give little thought to the processesWe give little thought to the processes
and programs running behind the scenesand programs running behind the scenes
to keep them functioning effectively.to keep them functioning effectively.
• Such programs (i.e. operating systems,Such programs (i.e. operating systems,
utility programs, and device drivers) areutility programs, and device drivers) are
the system software you learn about here.the system software you learn about here.
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-5McGraw-Hill
System SoftwareSystem Software
• Handles the technical detailsHandles the technical details
– Includes the operating system, utilities,Includes the operating system, utilities,
device drivers, anddevice drivers, and language translatorslanguage translators
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-6McGraw-Hill
Operating SystemsOperating Systems
• A collection of programs that handle technicalA collection of programs that handle technical
tasks, including managing computertasks, including managing computer resourcesresources
• Every computer has an operating system (OS),Every computer has an operating system (OS),
such as Windows 7 or Mac OS Xsuch as Windows 7 or Mac OS X
• The OS provides the interface between the userThe OS provides the interface between the user
and computer, and is required to run applicationsand computer, and is required to run applications
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-7McGraw-Hill
Functions of an Operating SystemFunctions of an Operating System
• Manages computer resourcesManages computer resources
– Coordinate memory, processing storage, and printersCoordinate memory, processing storage, and printers
– Monitor system performanceMonitor system performance
– Provide securityProvide security
– Start-up the computerStart-up the computer
• Provides user interfaceProvides user interface
– Character-based interfaceCharacter-based interface
– Graphical user interface (GUI)Graphical user interface (GUI)
• Runs applicationsRuns applications
– MultitaskingMultitasking
– Foreground and background applicationsForeground and background applications
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-8McGraw-Hill
Features of an Operating SystemFeatures of an Operating System
• BootingBooting
• Features in common with application softwareFeatures in common with application software
– IconsIcons
– PointersPointers
– WindowsWindows
– MenusMenus
– Dialog boxesDialog boxes
– HelpHelp
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-9McGraw-Hill
Categories of Operating SystemsCategories of Operating Systems
• Hundreds of operating systemsHundreds of operating systems
• Three basic categoriesThree basic categories
– Embedded operating systemsEmbedded operating systems (handheld)(handheld)
– Network operating systemsNetwork operating systems (linked computers)(linked computers)
– Stand-alone operating systemsStand-alone operating systems (desktop)(desktop)
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-10McGraw-Hill
More on Operating SystemsMore on Operating Systems
• An OS is often called the software environment orAn OS is often called the software environment or
platformplatform
• Operating systems commonly used by individualsOperating systems commonly used by individuals
– Windows – most widely usedWindows – most widely used
– Mac OS – powerful and easy to useMac OS – powerful and easy to use
– UNIX – network; originally designed for WebUNIX – network; originally designed for Web
– LINUX – non proprietary; free from the WebLINUX – non proprietary; free from the Web
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-11McGraw-Hill
WindowsWindows
• The most popular microcomputer operatingThe most popular microcomputer operating
system – over 90 percent of the marketsystem – over 90 percent of the market
• Comes in a variety of different versionsComes in a variety of different versions
• Windows 7 provides several improvements overWindows 7 provides several improvements over
Windows VistaWindows Vista
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-12McGraw-Hill
Mac OSMac OS
• Mac OS XMac OS X is designed to run on Apple computersis designed to run on Apple computers
• One of the most innovative operating systems, but notOne of the most innovative operating systems, but not
used as widely as Windowsused as widely as Windows
• Mac OS (Boot Camp) allows you to run bothMac OS (Boot Camp) allows you to run both
the Mac OS andthe Mac OS and
WindowsWindows
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-13McGraw-Hill
UNIX and LINUXUNIX and LINUX
• UNIX operating systemUNIX operating system
– Originally designed to run on networkedOriginally designed to run on networked
minicomputersminicomputers
• LINUX is a version of UNIXLINUX is a version of UNIX
– Open sourceOpen source
– Not proprietaryNot proprietary
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-14McGraw-Hill
VirtualizationVirtualization
• Ability to support multiple operating systems on aAbility to support multiple operating systems on a
single physical machinesingle physical machine
• Virtualization softwareVirtualization software
– Physical machine can be logically separated intoPhysical machine can be logically separated into
separate and independent virtual computers calledseparate and independent virtual computers called
virtual machinesvirtual machines
• Host operating systemHost operating system
• Guest operating systemGuest operating system
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-15McGraw-Hill
Mobile Phone Operating SystemsMobile Phone Operating Systems
• Type of embedded operating system that isType of embedded operating system that is
present in every smartphonepresent in every smartphone
• Some of the best known (with release dates):Some of the best known (with release dates):
– Symbian (2009)Symbian (2009)
– BlackBerry OS or RIM OS (1999)BlackBerry OS or RIM OS (1999)
– iPhone OS (2007)iPhone OS (2007)
– Android (2007)Android (2007)
– Windows Phone 7 (2010)Windows Phone 7 (2010)
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-16McGraw-Hill
UtilitiesUtilities
• Specialized programs to make computing easierSpecialized programs to make computing easier
• Most essential utilitiesMost essential utilities
– TroubleshootingTroubleshooting oror diagnostic programsdiagnostic programs
– Antivirus programsAntivirus programs
– Uninstall programsUninstall programs
– Backup programsBackup programs
– File compression programsFile compression programs
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-17McGraw-Hill
Windows UtilitiesWindows Utilities
• Backup and RestoreBackup and Restore
• Disk CleanupDisk Cleanup
• Disk DefragmenterDisk Defragmenter
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-18McGraw-Hill
Backup and RestoreBackup and Restore
• Utility program included withUtility program included with
many Windows versionsmany Windows versions
• Makes a copy of all files or selectedMakes a copy of all files or selected
files that have been saved on a diskfiles that have been saved on a disk
• Helps prevent against disk failureHelps prevent against disk failure
Return
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-19McGraw-Hill
Disk CleanupDisk Cleanup
• Identifies and eliminatesIdentifies and eliminates
nonessential filesnonessential files
• Frees up valuable space andFrees up valuable space and
improves system performanceimproves system performance
Return
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-20McGraw-Hill
Disk DefragmenterDisk Defragmenter
• Identifies and eliminates unnecessary fragmentsIdentifies and eliminates unnecessary fragments
• Rearranges files and unused disk space toRearranges files and unused disk space to
optimize operationsoptimize operations
• Speeds up file accessSpeeds up file access
Return
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-21McGraw-Hill
Utility SuitesUtility Suites
• A group of utility programs bundled for saleA group of utility programs bundled for sale
• Buying the package is more affordableBuying the package is more affordable
• Popular suitesPopular suites
– Norton System WorksNorton System Works
– McAfee OfficeMcAfee Office
– V CommunicationsV Communications
SystemSuiteSystemSuite
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-22McGraw-Hill
Device DriversDevice Drivers
• Specialized programs that allow communication betweenSpecialized programs that allow communication between
a device and the computera device and the computer
• Loaded into memory each time a computer is startedLoaded into memory each time a computer is started
• When a new device is added, new deviceWhen a new device is added, new device driversdrivers must bemust be
installedinstalled
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-23McGraw-Hill
Virus Protection and Internet SecurityVirus Protection and Internet Security
• Internet Security SuiteInternet Security Suite
– Continually monitors your computerContinually monitors your computer
• VirusScanVirusScan
– Controls the frequency of searches forControls the frequency of searches for virusesviruses
– Quarantines or deletes infected filesQuarantines or deletes infected files
• Privacy ServicePrivacy Service
– Helps protect yourHelps protect your
privacy onlineprivacy online
– Block websites, cookies,Block websites, cookies,
and adsand ads
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-24McGraw-Hill
Careers In ITCareers In IT
• Computer support specialist provideComputer support specialist provide
technical support to customers andtechnical support to customers and
other usersother users
• Resolve common networkingResolve common networking
problems and use troubleshootingproblems and use troubleshooting
programs to diagnose problemsprograms to diagnose problems
• Employers look for a bachelorsEmployers look for a bachelors
degree, good analytical anddegree, good analytical and
communication skillscommunication skills
• Computer support specialist canComputer support specialist can
expect to earn $32K - $53K annuallyexpect to earn $32K - $53K annually
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-25McGraw-Hill
A Look to the FutureA Look to the Future
IBM's Aware SupercomputerIBM's Aware Supercomputer
• IBM’s Automatic Computing Initiative (ACI)IBM’s Automatic Computing Initiative (ACI)
– Handles time-consuming maintenanceHandles time-consuming maintenance
– Self-regulating and virtually invisibleSelf-regulating and virtually invisible
• Self-maintaining serversSelf-maintaining servers
– Self-repairingSelf-repairing
– Self-updatingSelf-updating
– Self-protectingSelf-protecting
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-26McGraw-Hill
Open-Ended Questions(Page 1 of 2)Open-Ended Questions(Page 1 of 2)
• Describe system software. What are the fourDescribe system software. What are the four
types of system programs?types of system programs?
• What are the basic functions of every operatingWhat are the basic functions of every operating
system? What are the three basic operatingsystem? What are the three basic operating
system categories?system categories?
• Explain the differences and similarities betweenExplain the differences and similarities between
Windows, Mac OS, and Linux. DiscussWindows, Mac OS, and Linux. Discuss
virtualization.virtualization.
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.
ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou
5-27McGraw-Hill
Open-Ended Questions(Page 2 of 2)Open-Ended Questions(Page 2 of 2)
• Discuss utilities. What are the five most essentialDiscuss utilities. What are the five most essential
utilities? What is a utility suite?utilities? What is a utility suite?
• Explain the role of device drivers. Discuss theExplain the role of device drivers. Discuss the AddAdd
a Device Wizarda Device Wizard andand Windows UpdateWindows Update..

Weitere ähnliche Inhalte

Ähnlich wie O leary2012 comp_ppt_ch05

Management information system
Management information systemManagement information system
Management information systemMuhammad Almas
 
zEnterpise integration of Linux and traditional workload
zEnterpise integration of Linux and traditional workloadzEnterpise integration of Linux and traditional workload
zEnterpise integration of Linux and traditional workloadIBM India Smarter Computing
 
IBM Edge2015 Las Vegas
IBM Edge2015 Las VegasIBM Edge2015 Las Vegas
IBM Edge2015 Las VegasFilipe Miranda
 
Linux And Windows Comparison Essay
Linux And Windows Comparison EssayLinux And Windows Comparison Essay
Linux And Windows Comparison EssayTasha Holloway
 
Connect 2013 - Infrastructure Fitness and Design Simplicity for IBM Mobile Co...
Connect 2013 - Infrastructure Fitness and Design Simplicity for IBM Mobile Co...Connect 2013 - Infrastructure Fitness and Design Simplicity for IBM Mobile Co...
Connect 2013 - Infrastructure Fitness and Design Simplicity for IBM Mobile Co...René Winkelmeyer
 
News to Development Environments and for RDz for z/VSE
News to Development Environments and for RDz for z/VSENews to Development Environments and for RDz for z/VSE
News to Development Environments and for RDz for z/VSEIBM
 
Infrastructure Fitness and Design Simplicity for IBM Mobile Connect
Infrastructure Fitness and Design Simplicity for IBM Mobile ConnectInfrastructure Fitness and Design Simplicity for IBM Mobile Connect
Infrastructure Fitness and Design Simplicity for IBM Mobile ConnectBill Malchisky Jr.
 
Red Hat for IBM System z IBM Enterprise2014 Las Vegas
Red Hat for IBM System z IBM Enterprise2014 Las Vegas Red Hat for IBM System z IBM Enterprise2014 Las Vegas
Red Hat for IBM System z IBM Enterprise2014 Las Vegas Filipe Miranda
 
Software Factories in the Real World: How an IBM WebSphere Integration Factor...
Software Factories in the Real World: How an IBM WebSphere Integration Factor...Software Factories in the Real World: How an IBM WebSphere Integration Factor...
Software Factories in the Real World: How an IBM WebSphere Integration Factor...ghodgkinson
 
Discover the Linux on z Systems Effect
Discover the Linux on z Systems EffectDiscover the Linux on z Systems Effect
Discover the Linux on z Systems EffectIBM
 
Mobileuidevchallengesinnovate2012a 120607124912-phpapp02
Mobileuidevchallengesinnovate2012a 120607124912-phpapp02Mobileuidevchallengesinnovate2012a 120607124912-phpapp02
Mobileuidevchallengesinnovate2012a 120607124912-phpapp02Alexander Muse
 
Introduction to Embedded Systems
Introduction to Embedded SystemsIntroduction to Embedded Systems
Introduction to Embedded SystemsAnil Kumar Pugalia
 
Microsoft Hyper-V Virtualization System Essay
Microsoft Hyper-V Virtualization System EssayMicrosoft Hyper-V Virtualization System Essay
Microsoft Hyper-V Virtualization System EssayJackie Ramirez
 
MongoDB Linux Porting, Performance Measurements and and Scaling Advantage usi...
MongoDB Linux Porting, Performance Measurements and and Scaling Advantage usi...MongoDB Linux Porting, Performance Measurements and and Scaling Advantage usi...
MongoDB Linux Porting, Performance Measurements and and Scaling Advantage usi...MongoDB
 
Recover 30% of your day with IBM Development Tools (Smarter Mainframe Develop...
Recover 30% of your day with IBM Development Tools (Smarter Mainframe Develop...Recover 30% of your day with IBM Development Tools (Smarter Mainframe Develop...
Recover 30% of your day with IBM Development Tools (Smarter Mainframe Develop...Susan Yoskin
 
worklight_development_environment
worklight_development_environmentworklight_development_environment
worklight_development_environmentAravindharamanan S
 
Red Hat for Power Systems IBM Enterprise2014 Las Vegas
Red Hat for Power Systems IBM Enterprise2014 Las VegasRed Hat for Power Systems IBM Enterprise2014 Las Vegas
Red Hat for Power Systems IBM Enterprise2014 Las VegasFilipe Miranda
 

Ähnlich wie O leary2012 comp_ppt_ch05 (20)

Management information system
Management information systemManagement information system
Management information system
 
zEnterpise integration of Linux and traditional workload
zEnterpise integration of Linux and traditional workloadzEnterpise integration of Linux and traditional workload
zEnterpise integration of Linux and traditional workload
 
IBM Edge2015 Las Vegas
IBM Edge2015 Las VegasIBM Edge2015 Las Vegas
IBM Edge2015 Las Vegas
 
Linux And Windows Comparison Essay
Linux And Windows Comparison EssayLinux And Windows Comparison Essay
Linux And Windows Comparison Essay
 
Connect 2013 - Infrastructure Fitness and Design Simplicity for IBM Mobile Co...
Connect 2013 - Infrastructure Fitness and Design Simplicity for IBM Mobile Co...Connect 2013 - Infrastructure Fitness and Design Simplicity for IBM Mobile Co...
Connect 2013 - Infrastructure Fitness and Design Simplicity for IBM Mobile Co...
 
News to Development Environments and for RDz for z/VSE
News to Development Environments and for RDz for z/VSENews to Development Environments and for RDz for z/VSE
News to Development Environments and for RDz for z/VSE
 
Infrastructure Fitness and Design Simplicity for IBM Mobile Connect
Infrastructure Fitness and Design Simplicity for IBM Mobile ConnectInfrastructure Fitness and Design Simplicity for IBM Mobile Connect
Infrastructure Fitness and Design Simplicity for IBM Mobile Connect
 
Red Hat for IBM System z IBM Enterprise2014 Las Vegas
Red Hat for IBM System z IBM Enterprise2014 Las Vegas Red Hat for IBM System z IBM Enterprise2014 Las Vegas
Red Hat for IBM System z IBM Enterprise2014 Las Vegas
 
Software Factories in the Real World: How an IBM WebSphere Integration Factor...
Software Factories in the Real World: How an IBM WebSphere Integration Factor...Software Factories in the Real World: How an IBM WebSphere Integration Factor...
Software Factories in the Real World: How an IBM WebSphere Integration Factor...
 
Discover the Linux on z Systems Effect
Discover the Linux on z Systems EffectDiscover the Linux on z Systems Effect
Discover the Linux on z Systems Effect
 
Mobileuidevchallengesinnovate2012a 120607124912-phpapp02
Mobileuidevchallengesinnovate2012a 120607124912-phpapp02Mobileuidevchallengesinnovate2012a 120607124912-phpapp02
Mobileuidevchallengesinnovate2012a 120607124912-phpapp02
 
L01 Introduction to Enterprise Software
L01 Introduction to Enterprise SoftwareL01 Introduction to Enterprise Software
L01 Introduction to Enterprise Software
 
Introduction to Embedded Systems
Introduction to Embedded SystemsIntroduction to Embedded Systems
Introduction to Embedded Systems
 
Microsoft Hyper-V Virtualization System Essay
Microsoft Hyper-V Virtualization System EssayMicrosoft Hyper-V Virtualization System Essay
Microsoft Hyper-V Virtualization System Essay
 
MongoDB Linux Porting, Performance Measurements and and Scaling Advantage usi...
MongoDB Linux Porting, Performance Measurements and and Scaling Advantage usi...MongoDB Linux Porting, Performance Measurements and and Scaling Advantage usi...
MongoDB Linux Porting, Performance Measurements and and Scaling Advantage usi...
 
Mis chapter 6
Mis chapter 6Mis chapter 6
Mis chapter 6
 
Recover 30% of your day with IBM Development Tools (Smarter Mainframe Develop...
Recover 30% of your day with IBM Development Tools (Smarter Mainframe Develop...Recover 30% of your day with IBM Development Tools (Smarter Mainframe Develop...
Recover 30% of your day with IBM Development Tools (Smarter Mainframe Develop...
 
worklight_development_environment
worklight_development_environmentworklight_development_environment
worklight_development_environment
 
L01 Enterprise Application Architecture
L01 Enterprise Application ArchitectureL01 Enterprise Application Architecture
L01 Enterprise Application Architecture
 
Red Hat for Power Systems IBM Enterprise2014 Las Vegas
Red Hat for Power Systems IBM Enterprise2014 Las VegasRed Hat for Power Systems IBM Enterprise2014 Las Vegas
Red Hat for Power Systems IBM Enterprise2014 Las Vegas
 

Mehr von Dalia Saeed

Concepts of information technology
Concepts of information technologyConcepts of information technology
Concepts of information technologyDalia Saeed
 
O leary2012 comp_ppt_ch08
O leary2012 comp_ppt_ch08O leary2012 comp_ppt_ch08
O leary2012 comp_ppt_ch08Dalia Saeed
 
O leary2012 comp_ppt_ch07
O leary2012 comp_ppt_ch07O leary2012 comp_ppt_ch07
O leary2012 comp_ppt_ch07Dalia Saeed
 
Triad 2010 word_chapter_5
Triad 2010 word_chapter_5Triad 2010 word_chapter_5
Triad 2010 word_chapter_5Dalia Saeed
 
Triad 2010 word_chapter_4
Triad 2010 word_chapter_4Triad 2010 word_chapter_4
Triad 2010 word_chapter_4Dalia Saeed
 
Triad 2010 power_point_chapter_4
Triad 2010 power_point_chapter_4Triad 2010 power_point_chapter_4
Triad 2010 power_point_chapter_4Dalia Saeed
 
Triad 2010 power_point_chapter_3
Triad 2010 power_point_chapter_3Triad 2010 power_point_chapter_3
Triad 2010 power_point_chapter_3Dalia Saeed
 
Triad 2010 power_point_chapter_2
Triad 2010 power_point_chapter_2Triad 2010 power_point_chapter_2
Triad 2010 power_point_chapter_2Dalia Saeed
 
Triad 2010 power_point_chapter_1
Triad 2010 power_point_chapter_1Triad 2010 power_point_chapter_1
Triad 2010 power_point_chapter_1Dalia Saeed
 
Triad 2010 office
Triad 2010 officeTriad 2010 office
Triad 2010 officeDalia Saeed
 
Triad 2010 excel_chapter_4
Triad 2010 excel_chapter_4Triad 2010 excel_chapter_4
Triad 2010 excel_chapter_4Dalia Saeed
 
Triad 2010 excel_chapter_3
Triad 2010 excel_chapter_3Triad 2010 excel_chapter_3
Triad 2010 excel_chapter_3Dalia Saeed
 
Triad 2010 excel_chapter_2
Triad 2010 excel_chapter_2Triad 2010 excel_chapter_2
Triad 2010 excel_chapter_2Dalia Saeed
 
Triad 2010 excel_chapter_1
Triad 2010 excel_chapter_1Triad 2010 excel_chapter_1
Triad 2010 excel_chapter_1Dalia Saeed
 
Triad 2010 word_chapter_3
Triad 2010 word_chapter_3Triad 2010 word_chapter_3
Triad 2010 word_chapter_3Dalia Saeed
 

Mehr von Dalia Saeed (20)

Power point1
Power point1Power point1
Power point1
 
Concepts of information technology
Concepts of information technologyConcepts of information technology
Concepts of information technology
 
Windows vista
Windows vistaWindows vista
Windows vista
 
Windows 7
Windows 7Windows 7
Windows 7
 
Excel1
Excel1Excel1
Excel1
 
Word1
Word1Word1
Word1
 
O leary2012 comp_ppt_ch08
O leary2012 comp_ppt_ch08O leary2012 comp_ppt_ch08
O leary2012 comp_ppt_ch08
 
O leary2012 comp_ppt_ch07
O leary2012 comp_ppt_ch07O leary2012 comp_ppt_ch07
O leary2012 comp_ppt_ch07
 
Triad 2010 word_chapter_5
Triad 2010 word_chapter_5Triad 2010 word_chapter_5
Triad 2010 word_chapter_5
 
Triad 2010 word_chapter_4
Triad 2010 word_chapter_4Triad 2010 word_chapter_4
Triad 2010 word_chapter_4
 
Triad 2010 power_point_chapter_4
Triad 2010 power_point_chapter_4Triad 2010 power_point_chapter_4
Triad 2010 power_point_chapter_4
 
Triad 2010 power_point_chapter_3
Triad 2010 power_point_chapter_3Triad 2010 power_point_chapter_3
Triad 2010 power_point_chapter_3
 
Triad 2010 power_point_chapter_2
Triad 2010 power_point_chapter_2Triad 2010 power_point_chapter_2
Triad 2010 power_point_chapter_2
 
Triad 2010 power_point_chapter_1
Triad 2010 power_point_chapter_1Triad 2010 power_point_chapter_1
Triad 2010 power_point_chapter_1
 
Triad 2010 office
Triad 2010 officeTriad 2010 office
Triad 2010 office
 
Triad 2010 excel_chapter_4
Triad 2010 excel_chapter_4Triad 2010 excel_chapter_4
Triad 2010 excel_chapter_4
 
Triad 2010 excel_chapter_3
Triad 2010 excel_chapter_3Triad 2010 excel_chapter_3
Triad 2010 excel_chapter_3
 
Triad 2010 excel_chapter_2
Triad 2010 excel_chapter_2Triad 2010 excel_chapter_2
Triad 2010 excel_chapter_2
 
Triad 2010 excel_chapter_1
Triad 2010 excel_chapter_1Triad 2010 excel_chapter_1
Triad 2010 excel_chapter_1
 
Triad 2010 word_chapter_3
Triad 2010 word_chapter_3Triad 2010 word_chapter_3
Triad 2010 word_chapter_3
 

Kürzlich hochgeladen

Diploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfDiploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfMohonDas
 
Ultra structure and life cycle of Plasmodium.pptx
Ultra structure and life cycle of Plasmodium.pptxUltra structure and life cycle of Plasmodium.pptx
Ultra structure and life cycle of Plasmodium.pptxDr. Asif Anas
 
5 charts on South Africa as a source country for international student recrui...
5 charts on South Africa as a source country for international student recrui...5 charts on South Africa as a source country for international student recrui...
5 charts on South Africa as a source country for international student recrui...CaraSkikne1
 
How to Add a many2many Relational Field in Odoo 17
How to Add a many2many Relational Field in Odoo 17How to Add a many2many Relational Field in Odoo 17
How to Add a many2many Relational Field in Odoo 17Celine George
 
The Singapore Teaching Practice document
The Singapore Teaching Practice documentThe Singapore Teaching Practice document
The Singapore Teaching Practice documentXsasf Sfdfasd
 
Philosophy of Education and Educational Philosophy
Philosophy of Education  and Educational PhilosophyPhilosophy of Education  and Educational Philosophy
Philosophy of Education and Educational PhilosophyShuvankar Madhu
 
Human-AI Co-Creation of Worked Examples for Programming Classes
Human-AI Co-Creation of Worked Examples for Programming ClassesHuman-AI Co-Creation of Worked Examples for Programming Classes
Human-AI Co-Creation of Worked Examples for Programming ClassesMohammad Hassany
 
Prescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptxPrescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptxraviapr7
 
How to Manage Cross-Selling in Odoo 17 Sales
How to Manage Cross-Selling in Odoo 17 SalesHow to Manage Cross-Selling in Odoo 17 Sales
How to Manage Cross-Selling in Odoo 17 SalesCeline George
 
CAULIFLOWER BREEDING 1 Parmar pptx
CAULIFLOWER BREEDING 1 Parmar pptxCAULIFLOWER BREEDING 1 Parmar pptx
CAULIFLOWER BREEDING 1 Parmar pptxSaurabhParmar42
 
CapTechU Doctoral Presentation -March 2024 slides.pptx
CapTechU Doctoral Presentation -March 2024 slides.pptxCapTechU Doctoral Presentation -March 2024 slides.pptx
CapTechU Doctoral Presentation -March 2024 slides.pptxCapitolTechU
 
General views of Histopathology and step
General views of Histopathology and stepGeneral views of Histopathology and step
General views of Histopathology and stepobaje godwin sunday
 
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptxSandy Millin
 
How to Add a New Field in Existing Kanban View in Odoo 17
How to Add a New Field in Existing Kanban View in Odoo 17How to Add a New Field in Existing Kanban View in Odoo 17
How to Add a New Field in Existing Kanban View in Odoo 17Celine George
 
Quality Assurance_GOOD LABORATORY PRACTICE
Quality Assurance_GOOD LABORATORY PRACTICEQuality Assurance_GOOD LABORATORY PRACTICE
Quality Assurance_GOOD LABORATORY PRACTICESayali Powar
 
How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17Celine George
 
Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.raviapr7
 
What is the Future of QuickBooks DeskTop?
What is the Future of QuickBooks DeskTop?What is the Future of QuickBooks DeskTop?
What is the Future of QuickBooks DeskTop?TechSoup
 
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...Nguyen Thanh Tu Collection
 
The Stolen Bacillus by Herbert George Wells
The Stolen Bacillus by Herbert George WellsThe Stolen Bacillus by Herbert George Wells
The Stolen Bacillus by Herbert George WellsEugene Lysak
 

Kürzlich hochgeladen (20)

Diploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfDiploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdf
 
Ultra structure and life cycle of Plasmodium.pptx
Ultra structure and life cycle of Plasmodium.pptxUltra structure and life cycle of Plasmodium.pptx
Ultra structure and life cycle of Plasmodium.pptx
 
5 charts on South Africa as a source country for international student recrui...
5 charts on South Africa as a source country for international student recrui...5 charts on South Africa as a source country for international student recrui...
5 charts on South Africa as a source country for international student recrui...
 
How to Add a many2many Relational Field in Odoo 17
How to Add a many2many Relational Field in Odoo 17How to Add a many2many Relational Field in Odoo 17
How to Add a many2many Relational Field in Odoo 17
 
The Singapore Teaching Practice document
The Singapore Teaching Practice documentThe Singapore Teaching Practice document
The Singapore Teaching Practice document
 
Philosophy of Education and Educational Philosophy
Philosophy of Education  and Educational PhilosophyPhilosophy of Education  and Educational Philosophy
Philosophy of Education and Educational Philosophy
 
Human-AI Co-Creation of Worked Examples for Programming Classes
Human-AI Co-Creation of Worked Examples for Programming ClassesHuman-AI Co-Creation of Worked Examples for Programming Classes
Human-AI Co-Creation of Worked Examples for Programming Classes
 
Prescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptxPrescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptx
 
How to Manage Cross-Selling in Odoo 17 Sales
How to Manage Cross-Selling in Odoo 17 SalesHow to Manage Cross-Selling in Odoo 17 Sales
How to Manage Cross-Selling in Odoo 17 Sales
 
CAULIFLOWER BREEDING 1 Parmar pptx
CAULIFLOWER BREEDING 1 Parmar pptxCAULIFLOWER BREEDING 1 Parmar pptx
CAULIFLOWER BREEDING 1 Parmar pptx
 
CapTechU Doctoral Presentation -March 2024 slides.pptx
CapTechU Doctoral Presentation -March 2024 slides.pptxCapTechU Doctoral Presentation -March 2024 slides.pptx
CapTechU Doctoral Presentation -March 2024 slides.pptx
 
General views of Histopathology and step
General views of Histopathology and stepGeneral views of Histopathology and step
General views of Histopathology and step
 
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
 
How to Add a New Field in Existing Kanban View in Odoo 17
How to Add a New Field in Existing Kanban View in Odoo 17How to Add a New Field in Existing Kanban View in Odoo 17
How to Add a New Field in Existing Kanban View in Odoo 17
 
Quality Assurance_GOOD LABORATORY PRACTICE
Quality Assurance_GOOD LABORATORY PRACTICEQuality Assurance_GOOD LABORATORY PRACTICE
Quality Assurance_GOOD LABORATORY PRACTICE
 
How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17
 
Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.
 
What is the Future of QuickBooks DeskTop?
What is the Future of QuickBooks DeskTop?What is the Future of QuickBooks DeskTop?
What is the Future of QuickBooks DeskTop?
 
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
 
The Stolen Bacillus by Herbert George Wells
The Stolen Bacillus by Herbert George WellsThe Stolen Bacillus by Herbert George Wells
The Stolen Bacillus by Herbert George Wells
 

O leary2012 comp_ppt_ch05

  • 1. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill Chapter 05: System SoftwareChapter 05: System SoftwareChapter 05: System SoftwareChapter 05: System Software
  • 2. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-2McGraw-Hill CompetenciesCompetencies (Page 1 of 2)(Page 1 of 2) • Describe the differences betweenDescribe the differences between system softwaresystem software and application softwareand application software • Discuss the four types of system softwareDiscuss the four types of system software • Discuss the basic functions, features, andDiscuss the basic functions, features, and categories ofcategories of operating systemsoperating systems • DescribeDescribe WindowsWindows,, Mac OSMac OS,, UNIXUNIX,, LinuxLinux,, andand virtualizationvirtualization
  • 3. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-3McGraw-Hill CompetenciesCompetencies (Page 2 of 2)(Page 2 of 2) • Describe the purpose ofDescribe the purpose of utilitiesutilities andand utility suitesutility suites • Identify the five most essential utilitiesIdentify the five most essential utilities • Discuss Windows utility programsDiscuss Windows utility programs • DescribeDescribe device driversdevice drivers, including Windows’, including Windows’ Add a Device WizardAdd a Device Wizard andand UpdateUpdate
  • 4. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-4McGraw-Hill IntroductionIntroduction • Computers are ubiquitous in our lives andComputers are ubiquitous in our lives and we expect them to “be there when wewe expect them to “be there when we need them”.need them”. • We give little thought to the processesWe give little thought to the processes and programs running behind the scenesand programs running behind the scenes to keep them functioning effectively.to keep them functioning effectively. • Such programs (i.e. operating systems,Such programs (i.e. operating systems, utility programs, and device drivers) areutility programs, and device drivers) are the system software you learn about here.the system software you learn about here.
  • 5. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-5McGraw-Hill System SoftwareSystem Software • Handles the technical detailsHandles the technical details – Includes the operating system, utilities,Includes the operating system, utilities, device drivers, anddevice drivers, and language translatorslanguage translators
  • 6. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-6McGraw-Hill Operating SystemsOperating Systems • A collection of programs that handle technicalA collection of programs that handle technical tasks, including managing computertasks, including managing computer resourcesresources • Every computer has an operating system (OS),Every computer has an operating system (OS), such as Windows 7 or Mac OS Xsuch as Windows 7 or Mac OS X • The OS provides the interface between the userThe OS provides the interface between the user and computer, and is required to run applicationsand computer, and is required to run applications
  • 7. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-7McGraw-Hill Functions of an Operating SystemFunctions of an Operating System • Manages computer resourcesManages computer resources – Coordinate memory, processing storage, and printersCoordinate memory, processing storage, and printers – Monitor system performanceMonitor system performance – Provide securityProvide security – Start-up the computerStart-up the computer • Provides user interfaceProvides user interface – Character-based interfaceCharacter-based interface – Graphical user interface (GUI)Graphical user interface (GUI) • Runs applicationsRuns applications – MultitaskingMultitasking – Foreground and background applicationsForeground and background applications
  • 8. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-8McGraw-Hill Features of an Operating SystemFeatures of an Operating System • BootingBooting • Features in common with application softwareFeatures in common with application software – IconsIcons – PointersPointers – WindowsWindows – MenusMenus – Dialog boxesDialog boxes – HelpHelp
  • 9. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-9McGraw-Hill Categories of Operating SystemsCategories of Operating Systems • Hundreds of operating systemsHundreds of operating systems • Three basic categoriesThree basic categories – Embedded operating systemsEmbedded operating systems (handheld)(handheld) – Network operating systemsNetwork operating systems (linked computers)(linked computers) – Stand-alone operating systemsStand-alone operating systems (desktop)(desktop)
  • 10. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-10McGraw-Hill More on Operating SystemsMore on Operating Systems • An OS is often called the software environment orAn OS is often called the software environment or platformplatform • Operating systems commonly used by individualsOperating systems commonly used by individuals – Windows – most widely usedWindows – most widely used – Mac OS – powerful and easy to useMac OS – powerful and easy to use – UNIX – network; originally designed for WebUNIX – network; originally designed for Web – LINUX – non proprietary; free from the WebLINUX – non proprietary; free from the Web
  • 11. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-11McGraw-Hill WindowsWindows • The most popular microcomputer operatingThe most popular microcomputer operating system – over 90 percent of the marketsystem – over 90 percent of the market • Comes in a variety of different versionsComes in a variety of different versions • Windows 7 provides several improvements overWindows 7 provides several improvements over Windows VistaWindows Vista
  • 12. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-12McGraw-Hill Mac OSMac OS • Mac OS XMac OS X is designed to run on Apple computersis designed to run on Apple computers • One of the most innovative operating systems, but notOne of the most innovative operating systems, but not used as widely as Windowsused as widely as Windows • Mac OS (Boot Camp) allows you to run bothMac OS (Boot Camp) allows you to run both the Mac OS andthe Mac OS and WindowsWindows
  • 13. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-13McGraw-Hill UNIX and LINUXUNIX and LINUX • UNIX operating systemUNIX operating system – Originally designed to run on networkedOriginally designed to run on networked minicomputersminicomputers • LINUX is a version of UNIXLINUX is a version of UNIX – Open sourceOpen source – Not proprietaryNot proprietary
  • 14. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-14McGraw-Hill VirtualizationVirtualization • Ability to support multiple operating systems on aAbility to support multiple operating systems on a single physical machinesingle physical machine • Virtualization softwareVirtualization software – Physical machine can be logically separated intoPhysical machine can be logically separated into separate and independent virtual computers calledseparate and independent virtual computers called virtual machinesvirtual machines • Host operating systemHost operating system • Guest operating systemGuest operating system
  • 15. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-15McGraw-Hill Mobile Phone Operating SystemsMobile Phone Operating Systems • Type of embedded operating system that isType of embedded operating system that is present in every smartphonepresent in every smartphone • Some of the best known (with release dates):Some of the best known (with release dates): – Symbian (2009)Symbian (2009) – BlackBerry OS or RIM OS (1999)BlackBerry OS or RIM OS (1999) – iPhone OS (2007)iPhone OS (2007) – Android (2007)Android (2007) – Windows Phone 7 (2010)Windows Phone 7 (2010)
  • 16. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-16McGraw-Hill UtilitiesUtilities • Specialized programs to make computing easierSpecialized programs to make computing easier • Most essential utilitiesMost essential utilities – TroubleshootingTroubleshooting oror diagnostic programsdiagnostic programs – Antivirus programsAntivirus programs – Uninstall programsUninstall programs – Backup programsBackup programs – File compression programsFile compression programs
  • 17. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-17McGraw-Hill Windows UtilitiesWindows Utilities • Backup and RestoreBackup and Restore • Disk CleanupDisk Cleanup • Disk DefragmenterDisk Defragmenter
  • 18. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-18McGraw-Hill Backup and RestoreBackup and Restore • Utility program included withUtility program included with many Windows versionsmany Windows versions • Makes a copy of all files or selectedMakes a copy of all files or selected files that have been saved on a diskfiles that have been saved on a disk • Helps prevent against disk failureHelps prevent against disk failure Return
  • 19. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-19McGraw-Hill Disk CleanupDisk Cleanup • Identifies and eliminatesIdentifies and eliminates nonessential filesnonessential files • Frees up valuable space andFrees up valuable space and improves system performanceimproves system performance Return
  • 20. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-20McGraw-Hill Disk DefragmenterDisk Defragmenter • Identifies and eliminates unnecessary fragmentsIdentifies and eliminates unnecessary fragments • Rearranges files and unused disk space toRearranges files and unused disk space to optimize operationsoptimize operations • Speeds up file accessSpeeds up file access Return
  • 21. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-21McGraw-Hill Utility SuitesUtility Suites • A group of utility programs bundled for saleA group of utility programs bundled for sale • Buying the package is more affordableBuying the package is more affordable • Popular suitesPopular suites – Norton System WorksNorton System Works – McAfee OfficeMcAfee Office – V CommunicationsV Communications SystemSuiteSystemSuite
  • 22. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-22McGraw-Hill Device DriversDevice Drivers • Specialized programs that allow communication betweenSpecialized programs that allow communication between a device and the computera device and the computer • Loaded into memory each time a computer is startedLoaded into memory each time a computer is started • When a new device is added, new deviceWhen a new device is added, new device driversdrivers must bemust be installedinstalled
  • 23. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-23McGraw-Hill Virus Protection and Internet SecurityVirus Protection and Internet Security • Internet Security SuiteInternet Security Suite – Continually monitors your computerContinually monitors your computer • VirusScanVirusScan – Controls the frequency of searches forControls the frequency of searches for virusesviruses – Quarantines or deletes infected filesQuarantines or deletes infected files • Privacy ServicePrivacy Service – Helps protect yourHelps protect your privacy onlineprivacy online – Block websites, cookies,Block websites, cookies, and adsand ads
  • 24. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-24McGraw-Hill Careers In ITCareers In IT • Computer support specialist provideComputer support specialist provide technical support to customers andtechnical support to customers and other usersother users • Resolve common networkingResolve common networking problems and use troubleshootingproblems and use troubleshooting programs to diagnose problemsprograms to diagnose problems • Employers look for a bachelorsEmployers look for a bachelors degree, good analytical anddegree, good analytical and communication skillscommunication skills • Computer support specialist canComputer support specialist can expect to earn $32K - $53K annuallyexpect to earn $32K - $53K annually
  • 25. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-25McGraw-Hill A Look to the FutureA Look to the Future IBM's Aware SupercomputerIBM's Aware Supercomputer • IBM’s Automatic Computing Initiative (ACI)IBM’s Automatic Computing Initiative (ACI) – Handles time-consuming maintenanceHandles time-consuming maintenance – Self-regulating and virtually invisibleSelf-regulating and virtually invisible • Self-maintaining serversSelf-maintaining servers – Self-repairingSelf-repairing – Self-updatingSelf-updating – Self-protectingSelf-protecting
  • 26. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-26McGraw-Hill Open-Ended Questions(Page 1 of 2)Open-Ended Questions(Page 1 of 2) • Describe system software. What are the fourDescribe system software. What are the four types of system programs?types of system programs? • What are the basic functions of every operatingWhat are the basic functions of every operating system? What are the three basic operatingsystem? What are the three basic operating system categories?system categories? • Explain the differences and similarities betweenExplain the differences and similarities between Windows, Mac OS, and Linux. DiscussWindows, Mac OS, and Linux. Discuss virtualization.virtualization.
  • 27. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. ComputingEssentials2012:ComputingEssentials2012:MakingITWorkforYouMakingITWorkforYou 5-27McGraw-Hill Open-Ended Questions(Page 2 of 2)Open-Ended Questions(Page 2 of 2) • Discuss utilities. What are the five most essentialDiscuss utilities. What are the five most essential utilities? What is a utility suite?utilities? What is a utility suite? • Explain the role of device drivers. Discuss theExplain the role of device drivers. Discuss the AddAdd a Device Wizarda Device Wizard andand Windows UpdateWindows Update..

Hinweis der Redaktion

  1. System software is not a single program but is a collection of programs that handles hundreds of technical details End-users focus on application programs more than the system software, but it is important to understand how system software works
  2. Resources Coordinate input and outputs such as keyboard, microphones, printers, mouse, storage devices, and memory User interface (Key Term) Primarily graphical user interface (GUI) Use of icons (Key Term) Applications Word processing Spreadsheets Databases Supporting multitasking (Key Term) Windows most popular operating systems Windows 95, Windows 98, Windows 2000, Windows ME, Windows XP (Key Term), Windows Vista (Key Term) MAC OS – designed to run Apple computers Unix – used by powerful microcomputers, servers on the Web, and minicomputers in network environment Linux – nonproprietary operating systems that run cross platform (Key Term) New photo.
  3. Booting is the process of starting a computer Warm boot (Key Term) – computer is already on and you restart it without turning off the power Cold boot (Key Term) – starting a computer that has been turned off Files (Key Term) – used to store data and programs Folders (Key Term) – stores and organizes related files. May also house other folders
  4. Operating system is sometimes called the software environment (Key Term) or platform Most are proprietary operating systems– owned and licensed by a corporation Non-proprietary – source code is available to the public Called open source Linux is an open source program In certain situations, the desktop operating system (Key Term) may also be referred to as a client operating system (Key Term) Network server (Key Term) – coordinates all communication between the other computers
  5. Note that LINUX is easier to learn; easily transfer to UNIX UNIX originally designed as cross-platform to help “integrate” the Web
  6. Windows has over 90 percent of the market More application programs are designed to run under Windows than any other operating system
  7. First introduced in 1984 Provided one of the first GUIs Powerful and easy-to-use operating system Mac OS X, version 10.4 – also known as Tiger (Key Term), provides photo-quality icons and easy-to-use menus Spotlight (Key Term) – advanced search tool Dashboard widgets (Key Term) – collection of specialized programs that update and display information One version of Mac OS (called Leopard) will include Boot Camp (Key Term) which allows Apple computers to run both Mac OS and Windows operating systems
  8. UNIX Used by powerful microcomputers and by servers on the Web There are a large number of different versions of UNIX LINUX One of the most popular and powerful alternatives to the Windows operating system
  9. Utilities – specialized programs designed to make computing easier Hard disk crashes Antivirus programs Computer freeze-ups Decrease operation slow-downs
  10. These utilities can be accessed from the System Tools menu
  11. If you backup (Key Term) your files, you have a copy of your data in case of a disk failure
  12. When you search the Web, a variety of programs and files are saved to your hard drive Use disk cleanup (Key Term) to get rid of these unnecessary files Files are stored and organized on a disk according to tracks and sectors Tracks (Key Term) – concentric ring Sectors (Key Term) – wedge-shaped sections of a track OS tries to save a file on a single track across contiguous sectors. Often the file has to broken into small parts and stored wherever space is available and the disk over time becomes fragmented
  13. Disk Defragmenter (Key Term) should be run on your computer often Some end-users run this utility program daily, while some run it once a week Fragmented (Key Term) files - result of a file having to be broken apart into smaller parts so it can be stored wherever space is available
  14. Norton SystemWorks AntiVirus CleanSweep Web Cleanup GoBack Personal Edition Norton Utilities One button checkup (Key Term) - integrates several of the separate troubleshooting utilities McAfee Similar programs
  15. Device drivers - programs that work with the operating system to allow communication between device(s) and the rest of the physical system Device drivers are also referred to simply as “drivers” (Key Term) Step-by-step guidance is offered by Windows in the form of wizards that assist with installing drivers e.g. “Add Printer Wizard” (Key Term) Drivers can also be easily updated in Windows by utilizing the Windows Update (Key Term) functionality
  16. Computers may be able to fix themselves in the future Autonomic computing is a system that allows machines to run with little human intervention
  17. Have students turn to the end of Chapter 5 in their textbooks to view the same “Open-Ended” questions/statements
  18. Have students turn to the end of Chapter 5 in their textbooks to view the same “Open-Ended” questions/statements