Click here Chapter no 1 Introduction to Computer 🧠 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. --- 🔁 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) --- 🧩 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 --- 🧰 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 --- 🌐 ...
💻 What is a Computer? A computer is an electronic device that can store, retrieve, and process data . It follows instructions (called programs ) to perform a wide variety of tasks, such as calculations, word processing, internet browsing, playing music, and much more. 🔧 Basic Parts of a Computer Hardware – The physical parts of the computer. CPU (Central Processing Unit) : The brain of the computer that processes data. Monitor : Displays the output (like a screen). Keyboard : Used to input text and commands. Mouse : Used to point and click on items. RAM (Memory) : Temporary storage the computer uses while working. Hard Drive / SSD : Permanent storage for data and programs. Software – The programs and operating systems that run on the computer. Operating System (OS) : Manages hardware and software (e.g., Windows, macOS, Linux). Applications : Programs like MS Word, browsers, games, etc. 🖥️ Types of Computers Desktop : A personal co...