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

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