1. Operating Systems Concepts 1/e Ruth Watson Chapter 1 Chapter 1 Introduction to Operating Systems Ruth Watson

2. Operating Systems Concepts 1/e Ruth Watson Chapter 1 2 Objectives (1 of 2) Explain what an operating system does List the three main components of any operating system Differentiate between using the left and right mouse buttons Explain the role of the Start Button

3. Operating Systems Concepts 1/e Ruth Watson Chapter 1 3 Objectives (2 of 2) Explain the role of the Quick Launch Toolbar Demonstrate how to create shortcuts in the Quick Launch Toolbar Explain the role of the Taskbar Demonstrate how to use Task Manager to terminate a process

4. Operating Systems Concepts 1/e Ruth Watson Chapter 1 4 Introduction The Operating System is a computer program Programs are lines of code Code responds to actions, such as a click of the mouse The OS has three components:  The Kernel  The File  The Shell Examples of Operating Systems:  DOS  Windows  UNIX  LINUX Computers have two parts:  Hardware  Software OS is the interface between the two parts and the user

5. Operating Systems Concepts 1/e Ruth Watson Chapter 1 5 Important Terms to Understand Binary math Code DOS File system GUI Kernel Object oriented Operating system Shell Source code

6. Operating Systems Concepts 1/e Ruth Watson Chapter 1 6 GUI vs. Command Line Interface Windows: Graphical User Interface: Point & Click Drag & Drop DOS: Command Line User Interface: Type & Hit Enter Key Exact Syntax

7. Operating Systems Concepts 1/e Ruth Watson Chapter 1 7 Microsoft Windows Desktop Quick Launch Toolbar Minimized Applications Additional Toolbar System Tray Desktop Start Menu

8. Operating Systems Concepts 1/e Ruth Watson Chapter 1 8 Start Menu Open Programs Help and Support File Management Open Recent Documents My Documents Start Menu

9. Operating Systems Concepts 1/e Ruth Watson Chapter 1 9 Quick Launch Toolbar Can be Customized Most Used Programs Shortcut to Programs

10. Operating Systems Concepts 1/e Ruth Watson Chapter 1 10 Taskbar TAB KEY ALT+TAB Move to Open Apps

11. Operating Systems Concepts 1/e Ruth Watson Chapter 1 11 System Tray Use System Tray Set Time Set Clock

12. Operating Systems Concepts 1/e Ruth Watson Chapter 1 12 Task Manager Choose Process CTRL+ALT+ DEL Computer Locks Choose Application End

13. Operating Systems Concepts 1/e Ruth Watson Chapter 1 13 Summary Computers would be nothing without the Operating System Many different types of Operating Systems All Operating Systems have three main components:  File System  Kernel  User Interface

14. Operating Systems Concepts 1/e Ruth Watson Chapter 1 14 Questions?