WJEC 1.1.4 Secondary Storage

It is a disadvantage of using a hard disk as storage.

• Huge capacity, offers up to several terabytes per device.
• Not as portable as other technologies.

It is an example of optical storage:

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

Solid State Drives are silent unlike hard disks.

• True
• False

A single layer DVD should hold approximately:

• About a 135 hours movie
• About 200 MP3 songs
• About 200 MP4 songs
• About a 135 minute movie 

A typical mp3 encoded music file takes up 4MB. You have a smart phone with 6GB of storage. How many tracks can be stored on the phone?

• 1 million music files
• 1,500 music files
• 100 music files
• 10 thousand music files

Why durability is important when choosing an appropriate storage media?

• Because it is important to take in consideration how resistant the media is to damage. 
• Because it is important to consider how cheap the media cost.

What type of memory is accessed the quickest?

• Solid State Memory
• Magnetic Storage
• Blu-Ray
• CD/DVD

What type of memory is inside an iPhone?

• Magnetic Tape
• Solid State
• Optical

Question 2: What type of storage is a DVD ROM?

• Optical
• Magnetic
• Solid State 
• It is not a storage device 

Question 5: What type of storage is a HDD?

• Optical
• Magnetic
• Solid State 
• It is not a storage device