A smart robotic lawnmower's control unit contains both RAM and ROM.
Tick (✓) one box in each row to show whether each statement is true for the RAM or the ROM in the lawnmower's control unit.
| Statement | RAM | ROM |
|---|---|---|
| Stores the hard-coded bootloader instructions used to initialize the lawnmower's hardware components when powered on. | ||
| Its contents are volatile, meaning all active runtime parameters and system variables are lost when the unit is completely switched off. | ||
| Temporarily holds the coordinate map and real-time sensor readings currently being processed by the CPU during a mowing operation. |
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.