An autonomous deep-sea research probe is programmed to descend to the ocean floor, measure water salinity and temperature, and transmit the collected data back to a research vessel via acoustic telemetry.
The probe's embedded microcontroller contains both RAM and ROM.
State one key difference between RAM and ROM.
Practise OCR GCSE Computer Science Primary storage (memory) with exam-style questions for GCSE Computer Science. 15 questions, matched to the OCR GCSE Computer Science (J277) specification and written in Component 01 and Component 02 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.