Transcript Document

5
SYSTEM
SOFTWARE
5-2
Competencies
Describe the differences between system
software and application software
Discuss the four types of system software
Discuss operating systems
Describe Windows, Mac, OS, UNIX, & Linux
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5-3
Competencies cont.
Describe the purpose of utilities and utility suites
Identify the five most essential utilities
Discuss Windows utility programs
Describe the device drivers including printer
drivers
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5-4
System Software
Handles technical details
Works with end users, application software, and
computer hardware
Four types of programs
Operating system
Utilities
Device drivers
Language translators
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5-5
Operating Systems
A collection of programs that handles technical
tasks
Every computer has an operating system
Performs three types of functions
Manages computer resources
Provides user interface
Runs applications
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5-6
Features of an Operating System
Booting
Features in common with application software
Icons
Pointers
Windows
Menus
Dialog boxes
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5-7
Categories of Operating Systems
Hundreds of operating systems
Three basic categories
Embedded – hand-held
Network OS – linked computers
Stand-alone OS – desktop
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5-8
More on Operating Systems
OS often called software environment or
platform
Operating systems commonly used by
individuals
Mac OS – powerful and easy to use
UNIX – network; originally designed for Web
LINUX – non proprietary; free off Web
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5-9
Windows
The most popular microcomputer operating
system
Comes in a variety of different versions
Windows XP
is the latest version
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5-10
Mac OS
An operating system designed to run on Apple
computers
Not used as widely as Windows
Mac OS X is the latest version
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5-11
UNIX and Linux
Unix operating system
Originally designed to run on minicomputers on a
network
Used by powerful microcomputers
Linux is a version of UNIX
Not proprietary
Open source
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5-12
Utilities
Specialized programs to make computing easier
Most essential utilities
Troubleshooting
Antivirus
Uninstall
Backup
File compression
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5-13
Windows Utilities
Backup
Disk Cleanup
Disk Defragmenter
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5-14
Backup
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5-15
Disk Cleanup
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5-16
Disk Defragmenter
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5-17
Utility Suites
A group of several utility programs bundled for
sale
Buying the package is economical
Popular suites
eSafe Desktop
McAfee Office
Norton System Works
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5-18
Device Drivers
Specialized programs that allow communication
between a device and the computer
Loaded into memory each time
When a new device is added, new device drive
must be installed
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5-19
A Look to the Future
IBM's Aware Computer
IBM concentrating research efforts on eLiza
Handles time-consuming maintenance
Autonomic computer
Self-maintaining servers
Self-repairing
Self-protecting
Self-updating
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5-20
Key Terms
antivirus utility (128)
application (128)
background (123)
backup (129)
backup program (128)
booting ( 123)
character based interface
(123)
client operating system
(125)
cold boot (123)
computer virus (132)
desktop (123)
desktop operating system
(125)
device driver (122)
diagnostic utility (128)
dialog box (124)
Disk cleanup (130)
Disk defragmenter (131)
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5-21
Key Terms
Dock (127)
driver (133)
embedded operating
system (124)
file (124)
file compression utility
(128)
folder (124)
foreground (123)
fragmented (131)
graphical user interface
(GUI) (123)
Help (124)
icon (123)
language translator (122)
Linux (127)
Mac OS (127)
Mac OS X (127)
menu (123)
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5-22
Key Terms
multitasking (123)
network operating
system (NOS) (124)
One Button Checkup
(125)
open source (132)
operating system (125)
platform (122)
pointer (125)
proprietary operating
system (123)
resource (123)
sector (131)
service program (122)
Sherlock (127)
software environment
(125)
software platform (125)
stand-alone operating
system (125)
Start menu (126)
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5-23
Key Terms
system software (122)
track (131)
troubleshooting utility
(128)
uninstall utility (128)
UNIX (127)
user interface (123)
utility (122)
utility suite (132)
warm boot (123)
Window (123)
Windows (125)
Windows Add Printer
Wizard (133)
Windows Update (133)
Windows XP (136)
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5-24
FAQs
What is an operating system?
What is the difference between a warm boot and
a cold boot?
What kinds of devices use embedded operating
systems?
I need to remove a program that I no longer use.
How can I do this?
What software is needed to install a new device
on my desktop computer?
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5-25
Discussion Questions
Describe how files are stored and organized on a
disk.
Describe some of the programs in the Norton
SystemWorks utility suite.
Explain the purpose of an operating system.
List the different versions of the Windows
operating system.
Explain how multitasking works.
© 2005 The McGraw-Hill Companies, Inc. All Rights Reserved.