1. University of Management & Technology Operating Systems & Utility Programs

2. University of Management & Technology Objectives Summarize the features of several stand-alone operating systems Identify various network operating systems Explain the purpose of several stand-alone utility programs Identify devices that use several embedded operating systems

3. University of Management & Technology Stand-alone Types of Operating Systems What are three categories of operating systems? Embedded Network

4. University of Management & Technology Stand-Alone Operating Systems What is DOS (Disk Operating System)? D Developed in early 1980s for personal computers O Used command-line interface when first developed, later included menus S Hardly used today because it does not offer GUI

5. University of Management & Technology Stand-Alone Operating Systems How do Windows versions compare? Windows VersionYear Released Windows 3.x1990 Windows NT 3.11993 Windows 951995 Windows NT Workstation 4.01996 Windows 981998 Windows Millennium Edition 2000 Windows 2000 Professional2000 Windows XP2001 Windows XP SP22004

6. University of Management & Technology  Microsoft’s fastest, most reliable Windows operating system Stand-Alone Operating Systems What is Windows XP?  Available in five editions: Home Edition, Professional Edition, Tablet PC Edition, Media Center Edition, and 64-bit Edition

7. University of Management & Technology Windows XP Features Appearance and Performance Administration Help and Support Communications and the Web Digital Media Stand-Alone Operating Systems What are some features of Windows XP?

8. University of Management & Technology Stand-Alone Operating Systems What is Mac OS X?  Available only for computers manufactured by Apple  Macintosh operating system has been model for most GUIs

9. University of Management & Technology Stand-Alone Operating Systems What is UNIX?  Used by power users because of its flexibility and power  Most versions offer GUI  Both a stand-alone and a network operating system

10. University of Management & Technology Stand-Alone Operating Systems What is Linux? Red Hat provides a version of Linux called Red Hat Linux.  Popular, free, multitasking UNIX-type operating system  Open-source software e — code is available to public  Both a stand-alone and a network operating system

11. University of Management & Technology Network Operating Systems What are examples of network operating systems? NetWare Designed for client/server networks Windows Server 2003 Upgrade to Windows 2000 Server UNIX / Linux Multi-purpose operating system Solaris  Version of UNIX developed by Sun Microsystems  Specifically for e-commerce applications

12. University of Management & Technology Embedded Operating Systems What is an embedded operating system? p. 416 Fig. 8-30  Found on most mobile computers, PDAs, and other small devices  Windows CE is scaled-down version of Windows

13. University of Management & Technology Embedded Operating Systems What are two operating systems for PDAs?  Windows Mobile for Pocket PC  Palm OS for Palm, Visor, and CLIE

14. University of Management & Technology Embedded Operating Systems What is Symbian OS?  Open-source, multitasking operating system designed for smart phones  Make telephone calls, save appointments, browse Web, send and receive e-mail and faxes, and more

15. University of Management & Technology Stand-Alone Utility Programs What is a virus? SIGNS OF VIRUS INFECTION  Potentially damaging computer program  Affects computer without user’s knowledge

16. University of Management & Technology Stand-Alone Utility Programs What is an antivirus program?  Identifies and removes viruses in memory, storage media, and incoming files  Must be updated frequently

17. University of Management & Technology Stand-Alone Utility Programs What is spyware?  Program placed on a computer without the user’s knowledge that secretly collects information about the user  Often enters a computer as a result of a user installing a new program  A spyware remover is a program that detects and deletes spyware

18. University of Management & Technology Stand-Alone Utility Programs What is a file compression utility?  Shrinks size of files to free up room and improve performance  Compressed files are sometimes called zipped files  Two popular utilities: PKZIP and WinZip

19. University of Management & Technology Stand-Alone Utility Programs What is CD/DVD burning software?  Writes text, graphics, audio, and video files to a recordable or rewriteable CD or DVD

20. University of Management & Technology Summary of Operating Systems and Utility Programs Define an operating system Discuss the functions common to most operating systems Introduce several utility programs commonly found in operating systems Discuss a variety of stand-alone operating systems, network operating systems, and embedded operating systems Describe some stand-alone utility programs