RAM, ROM and Virtual Memory Flashcards
1
Q
What is main memory?
A
Main memory is any memory directly accessed by the CPU
2
Q
What is Volatile Memory
A
This is a type of memory that loses its data when the electrical current is cut off.
3
Q
What is the use of RAM
A
RAM acts as a temporary storage for instructions and data
4
Q
What is DRAM?
A
Dynamic Random Access Memory
5
Q
What is DRAMs main use?
A
DRAM is used in RAM modules
6
Q
What are the downsides of DRAM?
A
Slower to access
Requires a refresh signal to retain data
7
Q
What is SRAM?
A
Static Random Access Memory
8
Q
What is SRAM commonly used for?
A
SRAM is used for the cahce
9
Q
What are the downsides of SRAM?
A
More Expensive
10
Q
What is ROM
A
ROM is a type of main memory that is non volatile and stores hardware settings
