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Operating Systems

Operating systems act as interfaces between computers and users, organizing and controlling hardware and software for predictable behavior. Explore the historical evolution, functions, and future trends of operating systems.

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Operating Systems

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

  2. “ an interface between your computer and the outside world. ” Operating System 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 1st 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=FxOIebkmrqs

  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=yBqDpVquIbI

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