Purpose Of RAM: The RAM doesn't keep the files and documents in the computer so
when you turn it off the computer your files you saved in the RAM are gone.
What Is Stored: Where programs, applications & Data.
Can You Change: Yes because it needs to change the programs and applications etc.
ROM: Read Only Memory
Purpose Of ROM: The ROM keeps the files and documents you
save into it. So it does the opposite of the RAM.
What Is Stored: ROM stores the instructions.
Can You Change: No because it is a read only memory. So the instructions have to stay the same.