Primary memory: What is primary memory - Primary memory

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.. Introduction to Primary Memory The primary memory of a computer can be categorized into three major types. viz., a. Main memory that holds instructions and data of the current program, b. Cache memory enhances the performance of the CPU by holding a copy of instructions/data stored in the main memory to save unwanted retrieval, c. Register memory that holds information required by arithmetic and logical unit of the CPU to execute the instructions. Primary memory Secondary memory Cache memory Now we discuss each type of memory one by one in detail: 1. Primary Memory It is also known as the main memory of the computer system. It is used to store data and programs, or instructions during computer operations. It uses semiconductor technology and hence is commonly called semiconductor memory. Primary memory is of two types: RAM (Random Access Memory): It is a volatile memory. Volatile memory stores information based on the power supply. If ... Guide to Primary Memory. Here we discuss Introduction, What is Primary Memory? its Types of memory respectively.