2. Computers: Information Technology in Perspective By Long and Long Copyright 2002 Prentice Hall, Inc. Software Chapter 2

3. Quit Software Categories SystemSoftware ApplicationSoftware

4. Quit The Operating System OperatingSystem GUI Operating Systems

5. Quit Operating System Objectives  Facilitate communication  Maximize throughput  Minimize processing time  Optimize computer resources  Organize files  Provide security  Monitor system/alert user

6. Quit 10.5 Operating System Features MultitaskingMultitasking ForegroundForeground KernelKernel BackgroundBackground

7. Quit 10.6 Operating System Interfaces MS-DOSSyntax Text-Based, Command-Driven Software Windows 9x/Me/2000/XP Graphical User Interface (GUI) Icons Graphics-Based Software

8. Quit 10.7Platforms  90% use Wintel  Backward compatibility  Plug-and-play Platform is defined by the Processor and Operating System Platform is defined by the Processor and Operating System

9. Quit 10.8 PC-Compatible Platforms  MS-DOS  MS-DOS with Windows  Windows 95 & 98  Windows ME  Windows 2000  Windows XP  Windows CE Registered trademark of Microsoft Corp.

10. Quit 10.9 Platform Problems Long-term commitment Multiplatform environment Cross-platform technologies InteroperabilityInteroperability

11. Quit 10.10 The Window  Menu bar Pull-down Pull-down Pop-up Pop-up Floating Floating Mnemonic Mnemonic Shortcut keys Shortcut keys Hotkey Hotkey  Dialog box  Toolbar & Ruler bar

12. Quit 10.11Icons  Windows Explorer  Application icons  Shortcut icons  Document icons  Disk-drive icons  Windows Explorer  Application icons  Shortcut icons  Document icons  Disk-drive icons

13. Quit 10.12 Viewing Windows  Run in a window vs. full-screen  Cascading & tiled windows  Switching between windows Foreground vs. Background Foreground vs. Background  Terminating session File/Save File/Save Close all windows Close all windows Start button, then shut down Start button, then shut down

14. Computers: Information Technology in Perspective By Long and Long Copyright 2002 Prentice Hall, Inc. Personal Computing Chapter 10

15. Quit 10.14 Software Portfolios  Operating systems Utility software Utility software  Popular application software  Sharing information among applications Monthly Technology Update

16. Quit 10.15 PC Operating Systems & Platforms  Multiplatform computer Runs its native platform Runs its native platform Emulates other platforms Emulates other platforms  Consider Availability of software Availability of software Compatibility of platform Compatibility of platform Platform = processor + operating system

17. Quit 10.16 PC/Windows Platforms   Windows 9x and Windows Me Bridge gap between Windows & Windows NT/2000 Windows Me mainly for home user   Windows XP: The Best of Windows Me and 2000 Windows XP (client-side) Windows 2000 Server (server-side) Supports LAN-based workgroup computing   Windows CE Handheld and pocket PCs 32-bit programs Registered trademark of Microsoft Corp.

18. Quit 10.17 Other Platforms  Macintosh/Mac OS Apple family Apple family Motorola microprocessor Motorola microprocessor Can be adjusted for user’s expertise level Can be adjusted for user’s expertise level  UNIX Multi-user operating system Multi-user operating system  Linux Spin off of UNIX Spin off of UNIX Open source software Open source software Free over Internet Free over Internet Used by web and e-mail servers Used by web and e-mail servers

19. Quit 10.18 Utility Software  Data-to-day chores  Disk and file maintenance  System recovery  Security  Backup  Virus protection