An automated smart greenhouse uses an embedded system to control its irrigation. Describe how this embedded system is used to automatically activate a water pump when the soil moisture level drops below a pre-set threshold.
[3]
Markscheme
Hardware Questions
76 exam-style questions on Edexcel GCSE Computer Science Hardware, covering Von Neumann architecture and FDE cycle, Secondary storage devices, and Embedded systems. Each one has a worked solution and a mark scheme showing where the marks go.