Storage devices (Unit one) Flashcards
0
Q
Common storage devices
A
Hard disk External hard disk Floppy disk Magnetic tape Optical storage devices (CDS) Flash memory (USB)
1
Q
Why is data stored?
A
Data is likely to be used again in the future and entering it every time it is needed would be very time consuming
2
Q
What is magnetic tape?
A
Magnetic tape cartridges are used for backing up entire networks due to their high capacity e.g. 120 GB
3
Q
What does CD-ROMs stand for ?
A
Compact disk- read only memory
4
Q
What does CD-Rs stand for?
A
Compact disk- recordable
5
Q
What does CD-RWs stand for?
A
Compact disk- rewritable
6
Q
What does DVD stand for?
A
Digital versatile disk
7
Q
What does DVD-R stand for?
A
Digital versatile disk recordable
8
Q
What does DVD-RW stand for?
A
Digital versatile disk rewritable
