MEMORY OF COMPUTER: DETAILED EXPLANATION INTRODUCTION MEMORY IN A COMPUTER IS THE MOST ESSENTIAL COMPONENT THAT STORES DATA, INSTRUCTIONS, AND INFORMATION TEMPORARILY OR PERMANENTLY. IT ACTS AS A BRIDGE BETWEEN THE CENTRAL PROCESSING UNIT (CPU) AND THE STORAGE DEVICES, ENSURING SMOOTH DATA PROCESSING AND RETRIEVAL. WITHOUT MEMORY, A COMPUTER CANNOT PERFORM ANY OPERATION. COMPUTER MEMORY IS BROADLY CATEGORIZED BASED ON ACCESS TIME, CAPACITY, COST, AND VOLATILITY . IT DETERMINES THE PERFORMANCE AND EFFICIENCY OF THE ENTIRE SYSTEM. TYPES OF COMPUTER MEMORY COMPUTER MEMORY IS MAINLY DIVIDED INTO PRIMARY MEMORY AND SECONDARY MEMORY , AND ALSO INCLUDES CACHE MEMORY AND VIRTUAL MEMORY AS SPECIAL TYPES. 1. PRIMARY MEMORY (MAIN MEMORY) PRIMARY MEMORY IS DIRECTLY ACCESSIBLE BY THE CPU. IT IS FAST BUT LIMITED IN SIZE AND VOLATILE IN NATURE, MEANING DATA IS LOST WHEN POWER IS TURNED OFF. CHARACTERISTICS: HIGH SPEED LIMITED STORAGE CAPACITY VOLATILE (T...
FILE SYSTEM AND FORMATTING IN THIS POST I AM GOING TO TEACH YOU ABOUT VARIOUS TYPES OF FILE SYSTEM AND FORMATTING USED IN COMPUTERS. SO LETS START. THE FILE SYSTEM DICTATES HOW INFORMATION IS ORGANIZED ON THE DISK. FOR EXAMPLE, THE FILE SYSTEM DETERMINES HOW LARGE THE ALLOCATION UNIT, OR STORAGE UNIT, THE FILE IS. THE FOLLOWING SECTIONS INTRODUCE THE DIFFERENT FILE SYSTEMS AVAILABLE AND THE OS’ S THAT SUPPORT THEM. THE FAT FILE SYSTEM – THE FILE ALLOCATION TABLE (FAT) FILE SYSTEM HAS BEEN THE MOST POPULAR FILE SYSTEM UP UNTI L THE LAST FEW YEARS. THE FILE SYSTEM IS DESIGNED FOR THE SMALL DISK AND SIMPLE FOLDER STRUCTURES. IT RESIDES IN THE BEGINNING OF THE SYSTEM. IT KEEPS TWO COPIES OF THE DATA IN ITS TABLE AS BACK UP SO THAT IF ANY COPIES BECOME CORRUPTED IT CAN CURE THAT CORRUPTION. THE FILE ALLOCATION TABLE ALONG WITH THE ROOT FOLDER SHOULD BE KEPT ON FIXED POSITION SO THAT B...