MEMORY :RAM and ROM
CHAPTER-5 MEMORY Memory is the place of storage for the instructions and data. There are two types of memory used in a computer, depending upon their method of storage and performance of data stored. They are - 1- Main memory/ primary memory 2- Mass memory/ secondary memory Main/primary memory- These memory units are the storage locations that the CPU always looks in, for instructions and data. They are made up of electronic components and are accessible at speeds similar to that of the CPU. Thus they are a must for every computer system and so are also called as primary memory. Main memory is of two types: 1- ROM-READ ONLY MEMORY 2- RAM-RANDOM ACCESS MEMORY ROM The ROM chips preprogramed. As the suggest of information only can be read b...