A robot vacuum cleaner uses sensors to navigate around obstacles in a room.
- (a)Tick (✔) one box to show which sensor would be the most suitable for this purpose. A proximity B flow C pressure D level[1]
- (b)An expert system can be used to diagnose an error with a robot vacuum cleaner. Circle three components that are part of an expert system. knowledge base operating system firewall server printer actuator inference engine rule base encryption[3]
- (c)Explain how the robot vacuum cleaner can make use of machine learning.[3]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2024). The mark or mark type is shown in brackets.
- [1] 8(a) A
- [3] 8(b) • Knowledge base • Rule base • Inference engine
- [3] 8(c) Any three from: For example: • It could gather data during vacuuming • ... and adapt its own processes • such as where obstacles are placed in the room • such as where dirtier areas are • such as a path through a room • such as the shape of a room • such as the most efficient route to vacuum a room • so, it knows areas to avoid/concentrate on/use different cleaning tools
Write your answer and get it marked
On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.
Sign up free →