1. Copyright © 2006 Prentice-Hall. All rights reserved.1 Computer Literacy for IC 3 Unit 1: Computing Fundamentals Project 5: Identifying Operating System Functions

2. Copyright © 2006 Prentice-Hall. All rights reserved.2 Identify the purpose and functions of an operating system Identify the capabilities, limitations, and common problems Identify functions of the control panel Use the control panel Install software Identify common installation problems Objectives

3. Copyright © 2006 Prentice-Hall. All rights reserved.3 Identifying Differences Operating system  Environment  Works with processor and other hardware Application program  Makes use of the environment  Performs specific tasks Write a document Draw a picture

4. Copyright © 2006 Prentice-Hall. All rights reserved.4 Types of Operating Systems Mainframe OS – UNIX Personal computer OS  DOS Microsoft (MS-DOS) & IBM (PC-DOS)  Graphical user interface (GUI) Windows, Apple, and Linux Tablet portable OS Personal digital assistant OS  Palm OS, Windows CE, etc. Cell phone OS  SmartPhone and Symbian

5. Copyright © 2006 Prentice-Hall. All rights reserved.5 Filenames  DOS – 8.3 convention  Windows 95 & newer – 255 characters and 3- letter file extension  Mac (Apple) – Long filenames without extensions Application software  Usually platform specific  Extensible Markup Language (XML) – Allows document transfer between platforms Limitations Imposed

6. Copyright © 2006 Prentice-Hall. All rights reserved.6 Common Problems Corrupted Files  Noticeable slowdown  System restore or recovery disks  See if you can figure out why Got a virus? – Restore will help Hard drive failing? – Restore will not help  Back up data soon! Security Unusual hardware combinations Improper logon procedures Use of username and password Forgot the password

7. Copyright © 2006 Prentice-Hall. All rights reserved.7 Functions of the Control Panel Part of the Windows OS  Book uses XP Home edition Category vs. Classic View Changes system settings  Appearance  Add and remove software  Set up printers  Add users  Activate automatic updates

8. Copyright © 2006 Prentice-Hall. All rights reserved.8 Before Using the Control Panel Experimentation has been known to get people in trouble Back up important data Create a restore point  Start  All Programs  Accessories  System Tools  System Restore  Create restore points when things are working

9. Copyright © 2006 Prentice-Hall. All rights reserved.9 Using the Control Panel Category view Date, Time, Language, and Regional Options  Change the date and time – Set computer clock Time zone Current date Current time Auto synchronize clock; requires Web access

10. Copyright © 2006 Prentice-Hall. All rights reserved.10 Changing Display Settings Category view Appearances & Themes  Change the screen resolution – Video options (Vary depending on video card) Color quality Pixels displayed - Resolution Extra monitors  Specific video cards can be run in tandem to create a multimonitor display

11. Copyright © 2006 Prentice-Hall. All rights reserved.11 Additional Display Options In Display Properties dialog box Appearances tab  Color scheme  Font size Useful for laptops Screen Saver tab  Prevents damage to monitor Ever seen an ATM machine with a faint image that never goes away?  Power management Shut off monitor and hard drive options

12. Copyright © 2006 Prentice-Hall. All rights reserved.12 Desktop and Themes What’s the difference?  Desktop tab Change background image Customize desktop  Add missing icons  My Computer, My Documents, Internet Explorer, and My Network Places  Desktop Cleanup Wizard  Removes unused shortcuts from the desktop  Theme tab Select a team of sounds, icons, and a background image

13. Copyright © 2006 Prentice-Hall. All rights reserved.13 Changing Audio Volume, Mouse, and Keyboard Settings Printers and other hardware Often overlooked available options: Mute the sound Adjust microphone sensitivity Reverse mouse buttons Change mouse arrow appearance Key repeat rate Set up special keyboard-specific function buttons

14. Copyright © 2006 Prentice-Hall. All rights reserved.14 Printers Printers and other hardware  View installed printers  Add a printer Local printer  USB or parallel Network printer  Requires knowledge about networking

15. Copyright © 2006 Prentice-Hall. All rights reserved.15 Prior to Installing Software Need administrative privileges Need install files  Compact disc – Retail/burned  Downloaded – Trial/shareware/freeware Are you legal?  Copyright infringement is a serious problem  Fines of up to $150,000 per incident have been awarded for willful copyright infringement  Read software licensing agreements

16. Copyright © 2006 Prentice-Hall. All rights reserved.16 Installing Software From the Control Panel Add or Remove Programs Add New Programs  CD or floppy  Insert CD and/or click Next  From a File – Press Browse  Follow the on-screen instructions

17. Copyright © 2006 Prentice-Hall. All rights reserved.17 Common Installation Problems Lack of permission Security settings Partially uninstalled programs Damages or lost installation discs Reinstalling registered software Installation program does not start automatically Installation stops Conflicts with other programs

18. Copyright © 2006 Prentice-Hall. All rights reserved.18 End-of-Project Exercises Multiple Choice Discussion Skill Drill  Using a Character-Based Operating System  Checking System Restore Points  Viewing File Dates and Times in Detail View Challenge  Synchronizing System Clock with Internet Server  Checking for Updates  Using an Icon on the Start Menu to Start a Program Discovery Zone  Learning about the Microsoft/Apple and Linux/UNIX Lawsuits  Controlling Programs that Run Automatically at Startup  Using Windows Task Manager to Stop Stalled Programs

19. Copyright © 2006 Prentice-Hall. All rights reserved.19 Summary Learned about the capability of operating systems and how to perform common operations in Windows XP, such as installing software and printers using the Control Panel. Learned about the differences between character- based and graphic-based operating systems and how to solve problems related to operating systems and software installation.

20. Copyright © 2006 Prentice-Hall. All rights reserved.20 Questions?