Know and understand differences between input and output devices

1 Types and Components of Computer Systems

Input Devices – The Brain’s Ears 🎧

Input devices are the tools that let you tell the computer what you want it to do. Think of them as the computer’s ears and hands.

• Keyboard – type like a writer 📝
• Mouse – point and click like a remote control 🖱️
• Microphone – speak to the computer 🎤
• Scanner – turn paper into digital images 📄➡️💻
• Webcam – capture video and images 🎥

Output Devices – The Brain’s Eyes 👀

Output devices show you what the computer has done. They are the computer’s eyes, ears, and hands.

• Monitor – display pictures and text on a screen 📺
• Printer – print paper copies of documents 🖨️
• Speakers – play audio and music 🔊
• Projector – enlarge images onto a wall 🎬

Comparison Table: Input vs Output Devices

Key Takeaways

1. Input devices bring information into the computer.
2. Output devices display or deliver the computer’s results.
3. Both types of devices work together like a conversation between you and the computer.
4. Remember the analogies: input = ears/hands, output = eyes/ears.

Quick Quiz

Which device would you use to print a photo?

• Keyboard
• Microphone
• Printer
• Monitor

Answer: Printer – it outputs a physical copy.