Click here Chapter no 1 Introduction to Computer ๐ง What is a Computer? A computer is an electronic machine that takes input, processes it, and gives the desired output. It works very fast and can store a large amount of information. --- ๐ Basic Function of a Computer A computer performs 4 main functions: 1. Input – Taking data (e.g., through keyboard, mouse) 2. Processing – Working on the data (CPU does this) 3. Storage – Saving data (in hard disk, pen drive) 4. Output – Giving results (on monitor, printer) --- ๐งฉ Main Parts of a Computer 1. Monitor – Displays output 2. CPU (Central Processing Unit) – Brain of the computer 3. Keyboard – Used to type text and numbers 4. Mouse – Helps to point and click 5. Printer – Prints documents 6. Speakers – Output sound --- ๐งฐ Types of Computers 1. Desktop – Used in offices, homes 2. Laptop – Portable computer 3. Tablet – Touchscreen device 4. Smartphone – Mini computer in your hand 5. Server – Powerful system used in networks --- ๐ ...