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The Systems Approach

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This presentation is an introduction to the Systems Approach

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The Systems Approach

  1. 1. The Systems Approach<br />9/15/2009<br />1<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  2. 2. Transportation System<br />9/15/2009<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus - Picture Creative Commons Public Use w/ attribution<br />2<br />
  3. 3. Tree Diagram<br />9/15/2009<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />3<br />
  4. 4. Information systems from 2 perspectives<br />Parts and Pieces Perspective<br />How-it-works perspective<br />9/15/2009<br />4<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  5. 5. Critical Thinking about SYSTEMS<br />9/15/2009<br />5<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  6. 6. Thinking About a System<br />Everything with more than 1 part can be thought of as a SYSTEM<br />Think of a person riding a<br /> bicycle as a System <br />Parts and Pieces Perspectives<br />How it works perspective<br />S<br />Y<br />S<br />T<br />E<br />M<br />Parts and Pieces<br />Perspective<br />How it Works<br />Perspective<br />9/15/2009<br />6<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus - Picture Creative Commons Public Use w/ attribution<br />
  7. 7. Parts and Pieces Perspective<br />How it Works<br />Perspective<br />S<br />Y<br />S<br />T<br />E<br />M<br />Parts and Pieces<br />Perspective<br />9/15/2009<br />7<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  8. 8. Thinking About the Parts and Pieces Perspective<br />Transportation System can be broken into 2 parts (subsystems)<br />Propulsion subsystem<br />Vehicle subsystem<br />Parts and Pieces<br />Perspective<br />9/15/2009<br />8<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus - Picture Creative Commons Public Use w/ attribution<br />
  9. 9. Transportation Systems Diagram<br />9/15/2009<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus - Picture Creative Commons Public Use w/ attribution<br />9<br />Level 1<br />Level 2<br />
  10. 10. Thinking About the Parts and Pieces Perspective<br />Vehicle Sub-System can be broken into 3 parts (sub-sub-systems)<br />Frame<br />Wheels<br />Power train<br />Parts and Pieces<br />Perspective<br />9/15/2009<br />10<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus - Picture Creative Commons Public Use w/ attribution<br />
  11. 11. Transportation Systems Diagram<br />9/15/2009<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />11<br />Level 1<br />Level 2<br />Level 3<br />
  12. 12. Transportation Systems Diagram<br />9/15/2009<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />12<br />Level 1<br />Level 2<br />Level 3<br />
  13. 13. Thinking About the Parts and Pieces Perspective<br />The Part as a Sub-System of the Vehicle System<br />Think about the wheel as it’s own System of parts and pieces<br />Tire<br />Spokes<br />Hub<br />Think of the <br />Sub System <br />as it’s own<br />System<br />Parts and Pieces<br />Perspective<br />9/15/2009<br />13<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  14. 14. Systems Approach at a different level<br />9/15/2009<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />14<br />Level 1<br />Level 2<br />
  15. 15. 9/15/2009<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />15<br />So What !!!<br />
  16. 16. Systems Approachto<br />Organizing Your Thinking<br />9/15/2009<br />16<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  17. 17. How it Works Perspective<br />Parts and Pieces<br />Perspective<br />S<br />Y<br />S<br />T<br />E<br />M<br />How it Works<br />Perspective<br />9/15/2009<br />17<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  18. 18. Thinking About the How it Works Perspective<br />Transportation System can be broken into 3 parts (subsystems)<br />Input (pedal power)<br />Process (convert pedal power to rotary power)<br />Output (forward motion)<br />How it works <br />Perspective<br />9/15/2009<br />18<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  19. 19. Transportation Systems Diagram (How it Works)<br />9/15/2009<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />19<br />Level 1<br />Level 2<br />Level 2<br />
  20. 20. Thinking About the How it Works Perspective<br />The Part as a Sub-Sub-System<br />Think about the wheel as a System<br />Input (turning Hub)<br />Process (Transfer of energy <br />through spokes)<br />Output (Rotating Tire)<br />How it works <br />Perspective<br />9/15/2009<br />20<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  21. 21. Wheel Systems Diagram (How it Works)<br />9/15/2009<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />21<br />Level 1<br />Level 2<br />Level 2<br />
  22. 22. Systems Approachto<br />Reorganizing Your Thinking<br />9/15/2009<br />22<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  23. 23. The System view of How it Works (Input – Process – Output) Bicycle System<br />The System view of Parts and Pieces<br />Bicycle System<br />Output<br />Subsystem<br />(Forward<br /> Motion)<br />Vehicle<br />Subsystem<br />(Bicycle)<br />Process<br />Subsystem<br />(Rotary<br />Motion)<br />Propulsion<br />Subsystem<br />(Person Pedaling )<br />Input<br />Subsystem<br />(Human Pedal<br />Power)<br />Process<br />Subsystem<br />(Rotary<br />Motion)<br />Output<br />Subsystem<br />(Horizontal<br />Motion)<br />Input<br />Subsystem<br />(Vertical<br />Motion)<br />Wheel<br />Subsystem<br />Power Train<br />Subsystem<br />Frame<br />Subsystem<br />9/15/2009<br />23<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  24. 24. Systems Approach applied toComputer Systems<br />9/15/2009<br />24<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  25. 25. Understanding Computers<br />Organize your mind to think about computers in terms of:<br />Computer Devices (Parts & Pieces)<br />&<br />Computer Processes (How it works)<br />9/15/2009<br />25<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  26. 26. Viewing How the Computer System Works <br />(Input – Process – Output)<br />Viewing the Computer System as a group of<br /> Parts and Pieces<br />Input<br />Subsystem<br />(Keyboard & Mouse)<br />Process<br />Subsystem<br />(RAM & CPU)<br />Output<br />Subsystem<br />(Interface <br />Cards & <br />Peripherals)<br />Process<br />Subsystem<br />(CPU)<br />Input<br />Subsystem<br />(RAM & Bus)<br />Output<br />Subsystem<br />(High Speed<br /> and Low <br />Speed Bridges<br />& Cards<br />9/15/2009<br />26<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  27. 27. Viewing How the Computer System Works <br />(Input – Process – Output)<br />Viewing the Computer System as a group of<br /> Parts and Pieces<br />Input<br />Subsystem<br />(Keyboard & Mouse)<br />Process<br />Subsystem<br />(RAM & CPU)<br />Output<br />Subsystem<br />(Interface <br />Cards & <br />Peripherals)<br />Process<br />Subsystem<br />(CPU)<br />Input<br />Subsystem<br />(RAM & Bus)<br />Output<br />Subsystem<br />(High Speed<br /> and Low <br />Speed Bridges<br />& Cards<br />9/15/2009<br />27<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  28. 28. Keyboard Device<br />Parts & Pieces<br />How it works<br />Keyboard as a DEVICE is made up of<br />Numerical Keypad<br />Text keys<br />Function Keys<br />Special Keys<br />Connection to Computer<br />9/15/2009<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />28<br />
  29. 29. Viewing How the Computer System Works <br />(Input – Process – Output)<br />Viewing the Computer System as a group of<br /> Parts and Pieces<br />Input<br />Subsystem<br />(Keyboard & Mouse)<br />Process<br />Subsystem<br />(RAM & CPU)<br />Output<br />Subsystem<br />(Interface <br />Cards & <br />Peripherals)<br />Process<br />Subsystem<br />(CPU)<br />Input<br />Subsystem<br />(RAM & Bus)<br />Output<br />Subsystem<br />(High Speed<br /> and Low <br />Speed Bridges<br />& Cards<br />9/15/2009<br />29<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  30. 30. Summary<br />Critical Thinking<br />Different Perspective<br />Multiple Views<br />Systems Approach<br />Parts & Pieces<br />How it Works<br />Diagram the levels<br />9/15/2009<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />30<br />
  31. 31. Congratulations<br />You now have the <br />Skills and Tools<br />TO SUCCEED<br />9/15/2009<br />31<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />
  32. 32. 9/15/2009<br />© James T Shannon, Lord Fairfax Community College, Warrenton VA. Campus <br />32<br />THE END<br />

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