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Embedded Systems
What is an Embedded System?
Embedded systems are computers built into other devices for a dedicated purpose.
Characteristics:
Low cost
Small and lightweight
Perform a single or limited range of tasks
Real-time performance
Often difficult or impossible to upgrade
Examples include:
Washing machines
Thermostats
Microwave ovens
Fitness trackers

Practise exam question
A car has a ‘Follow Me’ system that uses a cruise control feature to allow the car to follow the car in front of it. It will keep the same speed and distance without the driver’s intervention. The cruise control system is an example of an embedded system.
Explain the reasons why the ‘Follow Me’ system is an example of an embedded system.
[3 marks]
Answer
1 mark each to max 3 (click to view answer)
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