Unit Test - Storage Devices & Media

Explain why a laptop needs a storage device

State which is the storage medium of a Blu-ray disk:

• flash

• magnetic

• optical

• SSD.

Describe how data is stored on an optical disk such as a CD ROM.

Describe the difference between a DVD-R and DVD-RW disk.

Explain the difference between direct access and serial access to your data

State which of the following types of storage would access data the fastest.

• Magnetic.

• Solid-state (SSD).

• Optical.

• They all take the same amount of time to access the data.

State what type of storage medium is used by memory sticks and memory cards ......

Name two devices that store data magnetically ......

List three devices which store data using lasers

Computers can store data in the cloud rather than using storage devices in the computer. Describe three benefits of storing data in the cloud.