[1.1.3] | 2: Storage

Question 1

What are the factors of choice (5) that should be considered when purchasing secondary storage devices?

Answer 1

• Durability
• Cost
• Speed
• Reliability
• Capacity

Question 2

• What are the common characteristics of magnetic storage?

Answer 2

• Large capacity
• Low cost
• Reliable
• Not durable (moving parts)

Question 3

What are the common characteristics of optical storage?

Answer 3

• Low cost
• High durability
• Slow

Question 4

What are the common characteristics of solid state storage?

Answer 4

• Durable (no moving parts)
• Good capacity
• Fast read/write speeds
• Power-efficient
• Portable
• More expensive than magnetic

• (Limited number of read/writes)

Question 5

What is virtual storage?

Answer 5

• Storing data on the internet as opposed to locally.

Question 6

What are the advantages (5) of virtual storage?

Answer 6

• Data can be accessed anywhere with an internet connection

• Easy data-sharing

• Limitless storage (user perspective)

• Scalable capacity

• External handling of security & back-ups

Question 7

What are the disadvantages (3) of virtual storage?

Answer 7

• Requires a reliable internet connection

• Can become expensive to store large quantities of data

• Must trust companies with your data