How is main memory used?
Main memory refers to RAM. It stores instructions while a program is being executed, stores data while a program is being executed and data that has been stored in main memory can be found again later.
What is volatile memory?
All data is lost when power is turned off.
what is non-volatile memory?
Data isn’t lost when the power is turned off.
Explain the purposes of ROM.
Rom stores instructions and data that is never changed such as the computer’s startup instructions.