Learn what primary memory is, why it is important, and how it differs from secondary memory. Explore the two main types of primary memory: RAM and ROM, and their characteristics, functions, and examples. What is primary memory - Primary memory is working memory in computer also known as the main memory. Examples of primary memory of computer are RAM and ROM.. Primary memory is computer memory that is accessed directly by the CPU. This includes several types of memory, such as the processor cache and system ROM. However, in most cases, primary memory refers to system RAM. RAM, or random access memory, consists of one or more memory modules that temporarily store data while a computer is running. Primary memory is the main memory of the computer which is attached to the CPU in the motherboard. All the data required for CPU processing is stored in the primary memory.
