Primary 4 Basic Digital Literacy – First Term: Full Scheme of Work & Lesson Notes
A complete, week-by-week classroom guide for Nigerian primary schools | First Term | All 13 Weeks Covered
📚 What you’ll find here: The complete Primary 4 Basic Digital Literacy Scheme of Work for First Term, followed by detailed lesson notes (Weeks 1–10) covering objectives, content, evaluations, and assignments — all fully aligned with the Nigerian primary school curriculum.
📋 First Term Scheme of Work at a Glance
| Week | Topic | Key Content |
|---|---|---|
| 1 | Introduction to Digital Devices | Types of devices, basic parts, lab safety rules |
| 2 | History of Digital Devices | Abacus to AI; five generations; Babbage & Lovelace |
| 3 | Parts of Digital Devices I | Hardware vs Software; Input & Output devices |
| 4 | Parts of Digital Devices II | CPU, RAM, Hard Drive, Motherboard |
| 5 | Midterm Examination | Assessment covering Weeks 1–4 |
| 6 | Midterm Break | Holiday |
| 7 | Peripheral Devices | USB, external drives, webcam; USB & Bluetooth connections |
| 8 | Input Devices (Detailed) | Keyboard layout, mouse operations, scanner, webcam |
| 9 | Output Devices (Detailed) | Monitor, printer types, speakers, projector |
| 10 | Computer Care and Safety | Handling, cleaning, virus protection, ergonomics |
| 11 | Revision | Review of all First Term topics; practical identification |
| 12 | Examination | End of First Term (Theory & Practical) |
| 13 | Closing | Report distribution and vacation |
Week 1
Introduction to Digital Devices
🎯 Learning Objectives — By the end of the lesson, pupils should be able to:
- Define the term “Digital Device.”
- List three examples of digital devices used at home or school.
- Identify the basic parts of a computer system.
- State three safety rules to follow in the computer lab.
Understanding Digital Devices
A digital device is an electronic machine that works with information. It can receive information, store it, change it, and send it to another place. Just like you need food for energy, digital devices need electricity from a wall plug or batteries to work. They make jobs like writing, calculating, and communicating much quicker and easier.
Types of Digital Devices We See Every Day
- Computers: Used for typing classwork, learning, and exploring the internet.
- Smartphones: Telephones that can also take photos, play games, and make calls.
- Tablets: Flat, portable devices for reading, drawing, and watching video lessons.
- Smartwatches: Worn on the wrist; can count steps, show messages, and tell time.
- Digital Cameras: Used to take clear pictures and record videos.
Types of Computers
- Desktop Computer: Stays in one place; has separate parts connected by wires.
- Laptop: Portable, folds like a book, has a battery for use away from a power socket.
- Tablet: Flat, slate-like; uses a touchscreen instead of a physical keyboard.
Basic Parts of a Computer
- Monitor: The screen that shows everything you are doing.
- Keyboard: Has keys to type letters, numbers, and symbols.
- Mouse: Controls the pointer on the monitor for selecting and clicking.
- System Unit (CPU Case): The box that holds the brain and heart of the computer.
Computer Lab Safety Rules
- No Food or Drink: Crumbs and spills damage keyboards and cause electric shocks.
- No Running: You could trip over wires or knock computers off desks.
- Hands Off Wires: Damaged wires can cause serious electric shocks; report to teacher.
- Clean Hands: Wash and dry hands before using any device.
✅ Evaluation Questions
- What is a digital device?
- Give two differences between a desktop computer and a laptop.
- Which part of the computer displays pictures and words like a television?
- Why is it dangerous to drink water near a computer?
- Name three digital devices you can find at home.
📝 Assignment
- Drawing: Draw and colour a simple picture of a computer monitor.
- Oral/Written: Tell your parent two ways your family uses digital devices. Write them down.
- Written: Write one important safety rule and explain why it is important.
Week 2
History of Digital Devices
🎯 Learning Objectives
- Identify the Abacus as an early counting device.
- Mention the “Father of Computers.”
- List the five generations of computers.
- Describe how computers have changed in size and speed over time.
Early Counting Devices
Before computers, people used the Abacus — a wooden frame with beads on rods — to count and calculate. By sliding the beads, people could perform addition and subtraction quickly.
Key Inventors
- Charles Babbage — “Father of the Computer.” He designed the Analytical Engine about 200 years ago.
- Ada Lovelace — The world’s first computer programmer. She wrote the first set of instructions for Babbage’s machine.
The Five Generations of Computers
- 1st Generation – Vacuum Tubes (1940s): Room-sized, very slow, used a lot of electricity.
- 2nd Generation – Transistors (1950s): Car-sized, faster, cooler, and more reliable.
- 3rd Generation – Integrated Circuits (1960s): Fridge-sized, even faster and cheaper.
- 4th Generation – Microprocessors (1970s–now): Today’s laptops and smartphones — small, powerful, and affordable.
- 5th Generation – Artificial Intelligence: Machines that learn and decide like humans — robots, voice assistants, smart apps.
Then vs Now
| Then (Past) | Now (Present) | |
|---|---|---|
| Size | Filled entire rooms | Fits in the palm of your hand |
| Speed | Slower than today’s calculators | Billions of calculations per second |
| Cost | Only governments could afford them | Many families own one |
✅ Evaluation Questions
- What was the Abacus used for?
- Why is Charles Babbage famous?
- Which generation do today’s laptops and smartphones belong to?
- Who was Ada Lovelace, and what did she do?
- True or False: The first computers were small enough to carry in a school bag.
📝 Assignment
- Write the full name of the “Father of Computers.”
- Drawing: Draw a simple picture of an Abacus.
- Complete: “Computers have changed from being as big as a ___ to as small as a ___.”
Week 3
Parts of Digital Devices I — Input & Output Devices
🎯 Learning Objectives
- Differentiate between Hardware and Software.
- Define Input Devices and give examples.
- Define Output Devices and give examples.
- Match devices to their functions.
Hardware vs. Software
| Feature | Hardware | Software |
|---|---|---|
| Can you touch it? | Yes — it is physical | No — it is a program |
| Examples | Mouse, keyboard, monitor | Microsoft Word, games, apps |
| Analogy | The body of the computer | The mind of the computer |
Input Devices — Sending Information IN
- Keyboard: Types letters and numbers into the computer.
- Mouse: Sends movement and click commands.
- Microphone: Sends voice and sound into the computer.
- Webcam: Captures images and video for video calls.
- Scanner: Creates a digital copy of paper documents.
Output Devices — Getting Information OUT
- Monitor/Screen: Displays text, images, and videos.
- Printer: Prints documents on paper.
- Speakers/Headphones: Produce sound and audio from the computer.
✅ Evaluation Questions
- Can you touch and hold computer software? Explain.
- Is a mouse an Input or Output device?
- You want to listen to a story without disturbing others. Which output device do you use?
- What is one main difference between hardware and software?
- Which input device do you use to type your name?
📝 Assignment
- List three Input devices you can find at home.
- List three Output devices.
- Drawing: Draw headphones and label it “Output Device.”
Week 4
Parts of Digital Devices II — Internal Parts
🎯 Learning Objectives
- Identify the internal parts of a computer.
- Explain the function of the CPU.
- Differentiate between RAM and Hard Drive memory.
- Describe the role of the Motherboard.
The CPU — The Brain
The CPU (Central Processing Unit) is a small chip inside the system unit. It processes every instruction and controls every other part — doing millions of calculations per second.
Memory: RAM vs. Hard Drive
| Feature | RAM (Workbench) | Hard Drive (Cupboard) |
|---|---|---|
| Purpose | Stores work you are doing NOW | Saves files FOREVER |
| Speed | Very fast | Slower than RAM |
| Power off | Forgets everything | Remembers everything |
| Analogy | A whiteboard you wipe clean | A cupboard where you store things |
The Motherboard — The Backbone
The Motherboard is a large, flat electronic board that connects the CPU, RAM, Hard Drive, and all other parts together — like the skeleton of the computer or a city’s road network.
Power Supply Unit
Takes electricity from the wall socket and converts it to the right voltage needed by each computer component.
✅ Evaluation Questions
- Which internal part acts as the computer’s brain?
- You are typing a story and haven’t saved. The lights go out. Why does the computer forget your work?
- Where does the computer keep your family photos for next week?
- What is the job of the Motherboard?
- What does “CPU” stand for?
📝 Assignment
- Drawing: Draw a square and label it “CPU — The Brain of the Computer.”
- Write one sentence explaining what the Hard Drive does.
- Fill in the blank: “The ___ connects all internal parts like a road network.”
Week 7
Peripheral Devices
🎯 Learning Objectives
- Define Peripheral Devices.
- List four examples of peripheral devices.
- Identify ways to connect peripherals (USB, Bluetooth).
- State the use of a flash drive.
What Are Peripheral Devices?
Peripheral devices are extra tools or accessories connected to the main computer from outside. They add new abilities to the computer — like adding a trailer to a truck or a new brush to a painter’s set.
Common Peripheral Devices
- USB Flash Drive: A small portable stick for saving and transferring files between computers.
- External Hard Drive: Stores far more data than a flash drive — thousands of movies or pictures.
- Webcam: A camera for video calls and online lessons added to desktop computers.
- Printer: Prints documents from the computer onto paper.
- Scanner: Converts paper documents into digital files on the computer.
- Speakers: External sound output connected via audio jack or USB.
Connection Methods
- USB: The most common — plug the device into a USB port.
- Bluetooth: Wireless connection for keyboards, mice, and headphones.
- HDMI: Connects monitors or projectors for video output.
✅ Evaluation Questions
- What is a peripheral device?
- Name two peripheral devices and state their uses.
- What is a flash drive used for?
- Name two ways to connect peripheral devices to a computer.
📌 Note to Teachers & Parents: Weeks 8–10 cover detailed Input/Output devices and Computer Care & Safety. The full downloadable package includes all weeks in complete detail, including evaluations and assignments.
📥 Complete Resource Available
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