Computer Memory :
COMPUTER MEMORY Memory is the most essential part of the computer. Memory is the storage part of the computer. We need to store the data. This storage enables us to use stored data in the future. Computer memory is mainly divided into Primary memory, Secondary memory, and Cache memory . The memory and storage devices are measured in terms of bits and bytes. The measurements used are 0, 1 binary digit. 1. Primary Memory : Memory units are the storage areas in the computer. The term "memory" usually refers to the main memory of the computer, whereas the word "storage" is used for the memory that exists on the desks, CDs, etc. The main memory is usually called a physical memory which refers to the 'chip' ( Integrated Circuit) capable of holding data and instructions. There are different types of memories as follows : a. Read-Only Memory ( ROM ) : ROM chip In ROM, the information is burnt or pre-recorded into the ROM chips at the manufacturing