An automated flood defense barrier is controlled by an embedded system designed to protect a coastal town from rising river water levels.
Explain how this embedded system operates to automatically raise the flood barrier when the river level becomes dangerously high.
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.