1. Operating Systems Laurie Ganz Klye Leahy Tommy Mendoza Heather Shriner Katie Wagner

2. Operating System “ an interface between your computer and the outside world. ” organize and control hardware and software so that the device it lives in behaves in a flexible but predictable way.

3. Operating System Functions Translation Monitoring the computers overall performance Provides functions

4. The Evolution of Operating Systems No Operating Systems Monitors Simple Batch Systems Multiprogrammed Batch Systems Time Sharing Systems

5. When Operating Systems didn’t Exist technological capabilities Individual Programs One person used the computer at a time “Job Scheduling” Libraries 1 st procedure

6. Monitors RAM device drivers jumping back to the monitor.

7. Simple Batch Systems Punched Cards Input process Operating system process Output Process

8. Job Control Language JCL was used? Identified as JCL or data. What program needs to be run or what data file will be used.

9. Multi -Programmed Batch Systems Several programs Switch from one user environment to another. Relied on hardware

10. Time Sharing Multiprogramming Time Shared Multiple users A new control language

11. UNIX…………1960’s. Widely Accepted and available specifications Assurance that products meet agreed specifications Three parts to its operating system Kernel Shell Other Programs

12. What businesses consider Cost Available Applications Ease-of-use Reliability

13. Department of Child Support Services County of San Diego – Operating System: Windows XP Professional – Factors COST Reliability

14. Cox Communications Large cable, phone, internet, etc. company – Operating system: Windows XP – Plan to upgrade to Windows 7 once it is proved to be a reliable Operating System – Factors: Store extremely large amounts of information Ease of use for employees Cost

15. Passage Productions Film, video, and broadcast production company – Uses a combination of Mac OS and Windows OS Offer different applications needed to run their business Mac uses 64-bit platform, as does many of their platforms Use Adobe – cross-compatible Find Mac to be easier to use

16. CSUSM California State University – Operating System: Windows Vista – Factors: Cost Ease-of-Use Reliability – CSUSM stresses the importance of up-to-date technology

17. Porter’s Five Forces

18. Trends in OS Historical trends User’s Needs Competition (Macintosh vs. Windows) http://www.youtube.com/watch?v=FxOIebkm rqs http://www.youtube.com/watch?v=FxOIebkm rqs

19. Historical Trends -Manufacturing companies - Multiprogramming -1970’s Unix - Universities/Research Labs -Microprocessors -Graphical User interface

20. User Needs Language Types of Users needs: -Programmer, business, personal, hacker. – Visual aids – Virus Protection – Malfunctions

21. Macintosh & Windows Personal vs. Business -Market share Visual appeal Popularity Function/ Ease of use

22. What does the Future hold? -New improvements -New Age in OS http://www.youtube.com/watch?v=yBqDpVqu IbI