Correct option is A
The primary memory of a computer is RAM (Random Access Memory).
RAM is a volatile memory component that is used by the computer's central processing unit (CPU) to store data and programs that are actively being used or processed.
It allows for quick and random access to data, which is essential for the efficient operation of a computer.
RAM is temporary and loses its data when the computer is powered off.
The primary memory of a personal computer consists of Both ROM and RAM.