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Northern IrelandTechnology and DesignQuick questions
Electronic and control systems
Quick questions on The systems approach: input, process, output - CCEA GCSE Technology and Design
6short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are block (systems) diagrams?Show answer
Block diagrams are quick to draw, easy to read and ideal for planning a system before choosing components. Each block can later be filled with a real subsystem.
What is q1?Show answer
Name the three stages of a system in order. [3 marks]
What is q2?Show answer
Give one example of an input device and one example of an output device. [2 marks]
What is q3?Show answer
What do the arrows on a block diagram show? [1 mark]
What is q4?Show answer
What is feedback in a control system? [2 marks]
What is q5?Show answer
Is a thermostat-controlled heater open-loop or closed-loop, and why? [2 marks]
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