Introduction to Computers
Computer Basics – Beginner Level Note 1. What is a Computer? A computer is an electronic device that processes data and performs tasks. Two main parts: Hardware: Physical parts like keyboard, mouse, monitor, CPU (computer box) Software: Programs and operating systems that tell the hardware what to do 2. How to Turn On and Off a Computer Safely To turn on : Press the power button (usually on the CPU or laptop) To turn off : Use the operating system’s shutdown option (Start menu → Shutdown) Avoid unplugging directly to prevent data loss or damage 3. Basic Computer Components Monitor: Displays what the computer is doing Keyboard: Used to type and input commands Mouse: Pointing device to interact with the screen CPU: The “brain” of the computer, processes all instructions 4. Understanding the Desktop and Operating System (OS) Operating System: Software that manages hardware and software (e.g.,...