Storage Flashcards
1
Q
What is secondary storage
A
A permanent storage for data and information in a computer system even without power
2
Q
Give some characteristics about secondary storage
A
Large storage capacity
Non-volatile
Cheap
3
Q
Name the 3 common secondary storage technologies
A
Optical
Magnetic
Solid state
4
Q
What is volatile and non volatile
A
Wether memory needs power to maintain the stored information.
Volatile- needs power
5
Q
What is optical storage
A
Is the storage of data on a optically readable medium. Data is recorded by making marks in a pattern that can be read back
6
Q
What is magnetic storage
A
It is the storage of data on a magnetised medium. It is a form of non-volatile memory as it uses different patterns of magnetisation in a magnetisable material
