Introduction

1. About This Tutorial

This tutorial introduces the fundamentals of computers, covering hardware, software, the internet, safety, and troubleshooting. By the end, you will understand how to set up, use, and maintain a computer.

2. What is a Computer?

A computer is an electronic device that processes information. It takes input, processes it with instructions, and produces output. It also stores information for later use.

Hardware Basics

3. Basic Parts of a Computer

• Monitor – displays text, images, and videos.
• Computer Case – houses key components like the CPU and memory.
• Keyboard & Mouse – input devices.
• Speakers/Headphones – output sound.
• Printer/Scanner – optional external devices.

4. Buttons and Ports on a Computer

• Power Button – turns the system on or off.
• USB Ports – connect external devices.
• Audio Ports – for headphones and microphones.
• HDMI/VGA Ports – connect displays.
• Ethernet Port – for wired internet.

5. Inside a Computer