Secondary Storage (GCSE CS)

Which kind of secondary storage is a hard drive?

• Magnetic

• Optical

• Flash

Which kind of secondary storage are CDs and DVDs?

• Magnetic

• Optical

• Flash

Which kind of secondary storage is a USB memory stick?

• Magnetic

• Optical

• Flash

To store data on a CD a laser is used to...

• Change the colour of dye on the disc

• Create bumps and ridges

• Move magnetic particles

Which kind of CD can you not save additional data onto?

• CD-RW

• CD-ROM

How much data can a CD store?

• Around 700MB

• Around 7GB

• Around 4.7GB

Which of these is a disadvantage of CDs?

• Slow transfer times for data

• Difficult to transport

• Expensive to purchase

How much data can a single layer DVD store?

• Around 700MB

• Around 7GB

• Around 4.7GB

What kind of disc is capable of storing 128GB of data on quad layer formats?

• CD

• DVD

• Blu-ray

What is another term for 'solid-state memory'?

• Flash memory

• Magnetic storage

• Hard drives

• Cloud storage