Year 10 ICT Optical Storage Media

Optical drives use lasers to write and read data.

• True

• False

A DVD typically holds 6 GB of data.

• True

• False

What type of memory is CD-R?

• re-writable

• transferable

• read only

• download capable

What type of storage device is the following a description of? Data is recorded by making marks in a pattern that can be read back with the aid of light, usually a beam of laser light precisely focused on a spinning disk.

• Paper
• Optical
• Magnetic
• Solid State

What type of storage device would be most suitable for the distribution of movies?

• Hard drive
• USB
• DVD-ROM
• DVD

What does ROM stand for

• Read Once Memory
• Read Only Memory 
• Remove Open Memory
• Read Open Memory

It is an example of optical storage:

• Magnetic tape
• USB memory stick
• Blu-ray disks
• HDD

The disadvantage of this type of storage is that it is easily scratched.

• Magnetic storage
• Optical storage
• Solid state storage

Amount of time it takes to a storage device to begin reading data

• access time
• write time
• random time
• wait time

These are the discs that can be recorded several times

• CDR
• DVD
• CD RW
• Blue Ray