Storage devices (Unit one)

Question 0

Common storage devices

Answer 0

Hard disk
External hard disk
Floppy disk
Magnetic tape
Optical storage devices (CDS)
Flash memory (USB)

Question 1

Why is data stored?

Answer 1

Data is likely to be used again in the future and entering it every time it is needed would be very time consuming

Question 2

What is magnetic tape?

Answer 2

Magnetic tape cartridges are used for backing up entire networks due to their high capacity e.g. 120 GB

Question 3

What does CD-ROMs stand for ?

Answer 3

Compact disk- read only memory

Question 4

What does CD-Rs stand for?

Answer 4

Compact disk- recordable

Question 5

What does CD-RWs stand for?

Answer 5

Compact disk- rewritable

Question 6

What does DVD stand for?

Answer 6

Digital versatile disk

Question 7

What does DVD-R stand for?

Answer 7

Digital versatile disk recordable

Question 8

What does DVD-RW stand for?

Answer 8

Digital versatile disk rewritable