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Operating Systems Laurie Ganz Klye Leahy Tommy Mendoza Heather Shriner Katie Wagner
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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.
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Operating System Functions Translation Monitoring the computers overall performance Provides functions
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The Evolution of Operating Systems No Operating Systems Monitors Simple Batch Systems Multiprogrammed Batch Systems Time Sharing Systems
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When Operating Systems didn’t Exist technological capabilities Individual Programs One person used the computer at a time “Job Scheduling” Libraries 1 st procedure
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Monitors RAM device drivers jumping back to the monitor.
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Simple Batch Systems Punched Cards Input process Operating system process Output Process
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Job Control Language JCL was used? Identified as JCL or data. What program needs to be run or what data file will be used.
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Multi -Programmed Batch Systems Several programs Switch from one user environment to another. Relied on hardware
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Time Sharing Multiprogramming Time Shared Multiple users A new control language
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UNIX…………1960’s. Widely Accepted and available specifications Assurance that products meet agreed specifications Three parts to its operating system Kernel Shell Other Programs
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What businesses consider Cost Available Applications Ease-of-use Reliability
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Department of Child Support Services County of San Diego – Operating System: Windows XP Professional – Factors COST Reliability
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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
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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
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CSUSM California State University – Operating System: Windows Vista – Factors: Cost Ease-of-Use Reliability – CSUSM stresses the importance of up-to-date technology
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Porter’s Five Forces
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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
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Historical Trends -Manufacturing companies - Multiprogramming -1970’s Unix - Universities/Research Labs -Microprocessors -Graphical User interface
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User Needs Language Types of Users needs: -Programmer, business, personal, hacker. – Visual aids – Virus Protection – Malfunctions
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Macintosh & Windows Personal vs. Business -Market share Visual appeal Popularity Function/ Ease of use
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What does the Future hold? -New improvements -New Age in OS http://www.youtube.com/watch?v=yBqDpVqu IbI
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