0478/0984 iGCSE Computer Science - Unit 3 Lesson 4: Hardware - Input Devices Keyboard Mouse etc.
📌 0478/0984 iGCSE Computer Science — Unit 3 Lesson 4: Input Devices
Welcome to Unit 3, Lesson 4 of the iGCSE Computer Science (0478/0984) course! In this lesson, we’ll explore how different types of input devices allow users to communicate with a computer system, and how each device is suited to specific tasks — from barcode scanners in supermarkets to cameras in smartphones.
🎥 Lesson Breakdown:
0:00 — Introduction
0:40 — What is an Input Device?
2:14 — Keyboard and Mouse
3:08 — Microphone
4:25 — Touch Screens (Capacitive, Resistive and Infrared)
7:52 — 2D Scanner
8:36 — 3D Scanner
9:07 — Barcode Scanner
10:45 — QR Codes
12:32 — Cameras/Webcams
🔹 Topics Covered:
✅ Definition and purpose of input devices
✅ Different types of input devices: keyboards, mice, scanners, sensors, cameras, microphones, etc.
✅ Examples of input devices in everyday use
✅ Recap of key terms and exam-style questions
📚 Perfect for:
✔️ iGCSE Computer Science students
✔️ Anyone curious about how computers receive data from the real world
✔️ Teachers and educators looking for a clear, structured explanation of input devices
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📖 Download the lesson slides here: https://cswithmrg.gumroad.com/l/Input...
💬 Got a question? Drop it in the comments below!
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