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Understanding Feedback Control Systems in Technology

Learn about input/output processing, feedback loops, and analogue to digital conversion. See how computers interact with sensors for data processing. Applications include control systems in greenhouses, central heating, alarms, doors, traffic, parking, and robotics.

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Understanding Feedback Control Systems in Technology

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  1. Control GCSE ICT

  2. Input / Output, Processing

  3. Control Feedback Loop Feedback Control Program Input Process Output Analogue to digital conversion Data such as pressure, light and temperature is analoguedata. Computers can only work with digital data. An interface box or analogue to digital converter (ADC) is needed to convert the analogue data from the sensors into digital data the computer can process. Feedback - Where input from sensors is used to change output in a control program, then the output is fed back to modify the input.

  4. Input / Output, Processing - Greenhouse

  5. Control System Applications • Central Heating Systems • Burglar Alarms • Automatic doors • Traffic Control Systems • Car Parking Systems • Robotics

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