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Technological Systems Unit 1 ~ How They Work Lesson 3 ~ Systems Thinking

Technological Systems Unit 1 ~ How They Work Lesson 3 ~ Systems Thinking. Explanation. Technological systems include input , process , output , and at times, feedback . An open-loop system has no feedback path and requires human intervention, while a closed-loop system uses feedback.

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Technological Systems Unit 1 ~ How They Work Lesson 3 ~ Systems Thinking

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  1. Technological SystemsUnit 1 ~ How They WorkLesson 3 ~ Systems Thinking Explanation

  2. Technological systems include input, process, output, and at times, feedback. • An open-loop system has no feedback path and requires human intervention, while a closed-loop system uses feedback. • Systems thinking involves considering how every part relates to others.

  3. A system can include processes as well as things. • Technological systems can be connected to one another. • The output from one part of a system (which can include material, energy, or information) can become the input to other parts. Such feedback can serve to control what goes on in the system as a whole.

  4. Almost all control systems have inputs, outputs, and feedback. The essence of control is comparing information about what is happening to what people want to happen and then making appropriate adjustments. This procedure requires sensing information, processing it, and making changes. In almost all modern machines, microprocessors serve as centers of performance control.

  5. 2. Concept mapping can be used to graphicallydisplay information and relationships among components of a system. Video Cassette Recorder Consists of Consists of Consists of Inputs Processes Outputs Power Blank cassette FF/RW Display of tape progress AV signal AV from recorded tape Programmable controls Subsystems Playback Subsystems Display of time and channel Records to tape Power cord Mylar tape Standard AC Plug Plastic shell Spring-loadedDoor

  6. Dutch White Horse Beard Saint celebrated by has Spain Birthday is rides celebrated by has lives in Poles Saint Nicholas gives don’t live at Presents has is not the same as North Pole to Book Santa Claus Good Kids Bad Kids lives at contains of of Classified Intelligence on Kids’ Behavior

  7. Cell Phone Communication INPUT PROCESS Network OUTPUT Voice Message Physical Phone Towers Transmit Signal to Tower Text Message Transmit Signal to Phone Internet Data Transmitter Signal to Wireless Access Point Power System Wireless Access Point Receiver 1. Battery 2. Charger

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