An autonomous deep-sea research submersible utilizes an onboard microcontroller to manage its buoyancy and navigation systems.
State one reason why the submersible's primary initialization instructions (the bootstrap loader) must be stored in Read-Only Memory (ROM) rather than Random Access Memory (RAM).
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.