An embedded system is a computer system built into another device to perform a specific function.
Give two examples of devices that contain an embedded system.
Mark scheme
Award one mark for any of the following up to a maximum of two marks:
- Microwave (oven) (1)
- Washing machine (1)
- Dishwasher (1)
- Digital camera (1)
- Satellite navigation/satnav system (1)
- Traffic light(s) (1)
- Central heating controller/thermostat (1)
- Digital watch/fitness tracker (1)
- Vending machine (1)
- Car (as it contains embedded systems) (1)
Allow any other device that contains an embedded system.
Do not accept general purpose devices such as a laptop, desktop computer, tablet or smartphone (these can run many different programs).
Example answers and how they were marked
A microwave oven and a washing machine.
Why: Two creditworthy devices, a microwave oven (1) and a washing machine (1).
A dishwasher and a laptop computer.
Why: Dishwasher credited (1); laptop is a general purpose device, so not accepted.
A desktop computer and a smartphone.
Why: Both are general purpose devices, so neither earns a mark.