Storage Devices You will be able to: Explain the need for secondary storage Describe common storage technologies Know what storage devices should be used for given purposes

What is secondary storage? When the computer is switched off what happens? What does it store?

Why secondary storage? Why use this over other types?

Common Storage Technologies What are the 3 main categories of storage?

2° Storage - Magnetic What does it store? How does it store it? Why Magnetic? An example would be?

2° Storage - HDD What is it? How big is it (capacity)? What does it store?

2° Storage - HDD Advantages of HDD Disadvantages of HDD

2° Storage - Optical What it stores? What is it stored on? How does it work? What do the different areas represent? Example

2° Storage – CD-ROM What do they store? Advantages (at least 3) Disadvantages (at least 3)

2° Storage – Solid State What do they store? What do they store it on? Different areas act as? How? Example

2° Storage – Solid State Advantages Disadvantages