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...
IN COMPUTING, AN INTERFACE IS A SHARED BOUNDARY ACROSS WHICH TWO SEPARATE COMPONENTS OF A COMPUTER SYSTEM EXCHANGE INFORMATION. THERE ARE SEVERAL DIFFERENT TYPES OF INTERFACES, CATEGORIZED BASED ON THEIR PURPOSE AND WHERE THEY ARE USED. HERE'S A BREAKDOWN OF THE MAIN TYPES: 1. USER INTERFACES (UI) THESE ALLOW HUMANS TO INTERACT WITH COMPUTERS. GRAPHICAL USER INTERFACE (GUI): USES WINDOWS, ICONS, MENUS, AND POINTERS (E.G., WINDOWS, MACOS, GNOME). COMMAND-LINE INTERFACE (CLI): USERS TYPE COMMANDS INTO A CONSOLE OR TERMINAL (E.G., LINUX TERMINAL, COMMAND PROMPT). TOUCH USER INTERFACE: USES TOUCHSCREENS (E.G., SMARTPHONES, TABLETS). VOICE USER INTERFACE (VUI): INTERACTS VIA SPOKEN COMMANDS (E.G., SIRI, ALEXA). NATURAL USER INTERFACE (NUI): USES GESTURES, GAZE, OR BIOMETRICS (E.G., KINECT, EYE-TRACKING). 2. HARDWARE INTERFACES ENABLE COMMUNICATION BETWEEN PHYSICAL DEVICES. PERIPHERAL INTERFACES: CON...