💻 What is a Computer? A computer is an electronic machine that processes data and performs tasks according to instructions (called programs). ✅ Basic Definition: A computer is a device that takes input, processes it, and gives output. 🧠 Main Functions of a Computer: Input – Taking data (via keyboard, mouse, etc.) Processing – Working on data (using CPU) Storage – Saving data (in hard disk, SSD, etc.) Output – Showing results (on screen, printer, etc.) 🔧 Basic Parts of a Computer: Part Function CPU Brain of the computer (processes data) Monitor Displays output Keyboard Enters text/instructions Mouse Controls pointer on screen Storage Saves files and data 🏷️ Types of Computers: Desktop – For personal or office use. Laptop – Portable computer. Tablet/Smartphone – Mini-computers with touchscreens. Server – Powerful systems for handling data for networks.