memory Flashcards
1
Q
what is RAM?
A
Random Access Memory
volatile
can be read and written to
2
Q
what is ROM?
A
Read Only Memory
non- volatile
cannot be written to ONLY read
3
Q
3 types of storage?
A
primary
secondary
tertiary
4
Q
primary storage?
A
memory the CPU can access quickly, eg:
RAM, ROM, cache
5
Q
secondary storage?
A
non volatile
where all data is stored when not in use
eg: hard disk, solid state drive, CD
6
Q
tertiary storage?
A
non-volatile
stores data long term (eg: backups)
7
Q
optical disc?
A
CD
pits and lands
write once, read only
cheap, portable
8
Q
hard drive?
A
internal storage
magnetic
long lasting and reliable
