Optical Storage

Optical drives use lasers to write and read data.

• True

• False

CDs, DVDs and Blu-Rays are all types of...

• Magnetic storage devices

• Optical storage devices

• Solid State memory

• Primary memory

Which optical storage device has an average memory size of around 4.7GB?

• CD

• DVD

• Blu-Ray

• USB flash drive

A CD has one long track on it full of ...

• Grooves and pot holes

• Pits and Lands

• Bumps and Dots

• Dots and Grooves

Typically stores 650mb of data on it - usually music.

• DVD
• Blu-ray
• CD
• Floppy disk

This storage device needs a computer with a specific  drive in order to read the disk. Cannot be read by a CD drive or DVD drive.  Used for high definition films.

• Blu-ray
• CD
• DVD
• Bluetooth

A single layer ___ can store about 4.7Gb of data.A double layer ___ can hold over 9Gb of data.

• DVD
• Flash memory
• Internal hard disk
• External hard disk

What is this a microscopic picture of?

• Memory Stick 
• CD
• Magnetic Tape
• SD Card 

Which of these storage devices make use of optics (laser light) to store data? (Tick All)

• CD

• Fibre Optic Cable

• DVD

• Blue-Ray

• LED

Select all optical storage devices

• DVD

• HDD

• SSD

• Blue-ray

• CD