Input, Output and Storage

Q1. Which type of storage is used in a solid-state drive (SSD)?

Multiple Choice · 1 point

• · Magnetic storage
• · Optical storage
• · Flash storage
• · ROM

Q2. Which statement about ROM is correct?

Multiple Choice · 1 point

• · ROM is volatile and loses data when power is removed
• · ROM is non-volatile and used to store the BIOS
• · ROM can be freely written to by the CPU during normal operation
• · ROM is a type of flash storage used in SSDs

Q3. Which storage medium would be most appropriate for backing up large volumes of archival data that is rarely accessed?

Multiple Choice · 1 point

• · Optical disc (Blu-ray)
• · Solid-state drive (SSD)
• · Magnetic tape
• · USB flash drive

Q4. Order the following storage types from fastest average data access speed to slowest.

Ordering · 2 points

• 1. CPU cache (SRAM)
• 2. RAM (DRAM)
• 3. Solid-state drive (flash)
• 4. Hard disk drive (magnetic)
• 5. Optical disc (CD/DVD)

Q5. State two differences between RAM and ROM.

Short Answer · 4 points

Q6. Explain what virtual storage is.

Short Answer · 2 points

Q7. Explain what virtual memory is.

Short Answer · 3 points

Q8. Give two characteristics of flash storage that make it suitable for use in portable devices such as smartphones.

Short Answer · 2 points

Q9. Compare magnetic, flash and optical storage in terms of capacity, speed, cost and durability. For each type, give an example of where it would be the most appropriate choice.

Long Answer · 6 points

Q10. Explain how magnetic hard disk drives store data, referring to the physical components involved.

Long Answer · 4 points