Operating Systems Laurie Ganz Klye Leahy Tommy Mendoza Heather Shriner Katie Wagner
Dec 27, 2015
Operating Systems
Laurie Ganz Klye Leahy
Tommy MendozaHeather Shriner
Katie Wagner
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.
Operating System Functions
• Translation
• Monitoring the computers overall performance
• Provides functions
The Evolution of Operating Systems
• No Operating Systems
• Monitors
• Simple Batch Systems
• Multiprogrammed Batch Systems
• Time Sharing Systems
When Operating Systems didn’t Exist
• technological capabilities
• Individual Programs
• One person used the computer at a time
• “Job Scheduling”
• Libraries 1st procedure
Monitors• RAM
• device drivers
•jumping back to the monitor.
Simple Batch Systems
• Punched Cards
• Input process
• Operating system process
• Output Process
Job Control Language
•JCL was used?
• Identified as JCL or data.
• What program needs to be run or what data file will be
used.
Multi -Programmed Batch Systems• Several programs
• Switch from oneuser environment to
another.
• Relied on hardware
Time Sharing
• Multiprogramming
• Time Shared
• Multiple users
• A new control language
UNIX…………1960’s.•Widely Accepted and available
specifications
•Assurance that products meet agreed specifications
•Three parts to its operating system•Kernel•Shell
•Other Programs
What businesses consider
• Cost• Available Applications• Ease-of-use• Reliability
Department of Child Support Services
• County of San Diego – Operating System:• Windows XP Professional
– Factors• COST• Reliability
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
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
CSUSM
• California State University– Operating System: • Windows Vista
– Factors:• Cost• Ease-of-Use• Reliability
– CSUSM stresses the importance of up-to-date technology
Porter’s Five Forces
Trends in OS
• Historical trends• User’s Needs• Competition (Macintosh vs. Windows)• http://www.youtube.com/watch?v=FxOIebkm
rqs
Historical Trends
-Manufacturing companies- Multiprogramming
-1970’s Unix- Universities/Research Labs
-Microprocessors-Graphical User interface
User Needs
• Language• Types of Users needs:
-Programmer, business, personal, hacker.– Visual aids– Virus Protection– Malfunctions
Macintosh & Windows
• Personal vs. Business-Market share
• Visual appeal• Popularity• Function/ Ease of use
What does the Future hold?
-New improvements-New Age in OS
http://www.youtube.com/watch?v=yBqDpVquIbI