1.2.1 Primary Storage Flashcards
1
Q
State the need the Primary Storage.
A
To hold data/programs being used by the CPU so it has faster access.
2
Q
Features of the RAM.
A
- volatile
- able to write to and read
- examples are Dynamic RAM, Static RAM
- needed to hold data used by the CPU to minimise time
3
Q
Features of the ROM.
A
- non volatile
- read only
- example is Flash Memory
- used as a memory chip to store data without power, but data must be in the RAM to work.
4
Q
State the definition of Virtual Memory.
A
A hard-drive space which acts as the RAM when the RAM is overloaded
5
Q
State the need for Virtual Memory.
A
To extend the use of memory and allows us to have memory protection
6
Q
State a problem of using Virtual Memory.
A
Hard-disc data speeds are much slower than the RAM.
