Backing+storage+(N4&N5)

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1. Write a short blog post highlighting the changes and improvements in digital storage over the past 60 years. [|This infographic] may help you.

2. What process does a disk drive have to go through before it can be used as a storage medium?

3. What are the sections called that the disk is divided into during this process?

4. What type of access does a hard disk use?

5. Currently what is the average capacity of a hard disk drive?

6. What type of access does tape use and generally speaking for what purpose is tape used?

7. Describe Random or Direct access?

8. What is meant by the term ‘solid state’?

Task
Find the cost and capacity for each of the following storage media
 * Flash drive
 * Hard disk drive
 * DVD-ROM
 * Magnetic tape
 * Memory card

Can you work out the cost per Gigabyte of each? Which is the cheapest?

Investigation

 * Find out what is meant by a computer interface
 * What is meant by an interface for backing storage?
 * What are the 2 most common types of interface for backing storage?
 * Why is an interface's data transfer