CS2 Memory and secondary storage personal learning checklist
OCR GCSE Computer Science J277 · Paper 1 · Specification 1.2.1–1.2.2
Support your confidence with explanations, workings, diagrams and tested code. Quick checks do not assess a complete program or evaluation.
Name ____________________ Class __________ Date __________
Tick one box per statement. Red: need help. Amber: partly confident. Green: can do independently.
| I can | Red | Amber | Green |
|---|---|---|---|
| Primary storage | |||
| Explain the need for primary storage and compare RAM with ROM. | |||
| Explain volatility and the role of retained startup instructions. | |||
| Compare cache, RAM and secondary storage using speed and purpose. | |||
| Explain virtual-memory transfers and their effect on performance. | |||
| Evaluate how additional RAM can help a memory-heavy workload. | |||
| Secondary storage | |||
| Explain persistent storage and distinguish a medium from its reader. | |||
| Compare magnetic, optical and solid-state storage mechanisms and uses. | |||
| Evaluate capacity and speed for a specified storage requirement. | |||
| Evaluate portability, durability and loss risk for portable storage. | |||
| Evaluate reliability and cost and justify a complete storage choice. | |||
Next revision priority: __________________________________________________