1. Differentiate a primary storage from a secondary storage 2. Differentiate a RAM from a ROM 3. Identify and explain the main units of a computer 4. What are the reasons why a secondary storage is needed? 5. Differentiate a magnetic disk from an optical disc 6. Give examples of cloud storage 7. Enumerate and explain what a processor contains. 8. What secondary storage do you normally use? 9. From what you remembered during the lesson on History of computers, how have memory and secondary storages evolved? 10. What I/O devices are used by magnetic tape and magnetic disk?