Technology Discovery Chapter 9
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Experience Technology – Chapter 9
Using Systems to Combine Resources
Mr. Bryant
SystemA group of parts working
together to achieve a goal
System
BicycleGoal is to get from point A to point B
System
CalculatorGoal is to find the solution to a problem
System
MP3 PlayerGoal is to provide music
Input Commands the system
accepts from people
Input
BicycleSteering
Gearshift
Pedals
Process SectionPart of the system that does
the actual work and achieves the desired result.
Process Section
Process Section
combines the
“Seven resources of technology”
Process Section
People
You
Capital
Purchase Bike
Energy
Mechanical
Energy
Information
Selecting Gears
Time
Speed of Travel
Materials
Metal
Vinyl
Rubber
Machines
Gears &
Sprockets
OutputResult produced by the
process section of a system
Diagramming Systems
Input“Goal”
Process“Combined Resources”
Output“Result”
FeedbackInformation about the output
of a system
SubsystemSmaller systems that make up
larger system
Subsystem
Handlebars & fork - Guidance system
Pedals & Gears - Power System
Tires & Rims - Suspension System
System OutputFour Families of Technology
• Communication• Transportation• Production• Biotechnology
Chapter Highlights
Systems are designed to produce desired outputs to help people meet their
wants and needs.
Chapter Highlights
All systems are similar in that they all have input,
process and output sections.
Chapter Highlights
The process section of a system combines the
seven resources of technology.
Chapter Highlights
A system diagram charts how a system works.
Chapter Highlights
Subsystems are smaller systems within a larger
system.
Chapter Highlights
Systems can have multiple outputs.
Review Your Knowledge
What is a system?
Review Your Knowledge
What is a system?
A group of parts working together to
achieve a goal.
Review Your Knowledge
When you use a calculator, what is you desired result?
Review Your Knowledge
When you use a calculator, what is you desired result?
Goal = to solve a numerical problem
Review Your Knowledge
What three parts do all systems have in
common?
Review Your Knowledge
What three parts do all systems have in common?
Input
Process
Output
Review Your Knowledge
What part of a system combines the seven
resources of technology?
Review Your Knowledge
What part of a system combines the seven resources of
technology?
The Process Section
Review Your Knowledge
What does the feedback loop do in
a system?
Review Your Knowledge
What does the feedback loop do in a system?
Monitors what the system is doing
Review Your Knowledge
Draw a system diagram to explain
how a washing machine works.
Review Your Knowledge
Review Your Knowledge
What is a subsystem?
Review Your Knowledge
What is a subsystem?
Smaller systems within a larger
system
Review Your Knowledge
List the subsystems found in a home stereo system.
Review Your Knowledge
List the subsystems found in a home stereo system.
Speakers
Tuner
CD Player
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