Internet and Computer Networks for JSS 3 Students
Introduction to the Internet and Computer Networks
Lesson Details
- Subject: Computer Studies
- Class: JSS 3
- Term: Second Term
- Week: 2
- Age: 12–15 years
- Topic: The Internet and Types of Computer Networks
- Sub-topic: Definition of Internet, Types of Computer Networks, and Introduction to Database and Software
- Duration: 40 minutes
Behavioral Objectives
By the end of this lesson, students should be able to:
- Define the internet and explain its importance.
- Identify and describe the types of computer networks.
- Define key database terms such as file, record, and field.
- Explain the meaning of computer software and its importance.
- Differentiate between system software and application software.
Keywords
- Internet
- Computer Network
- Database
- File
- Record
- Field
- Software
- System Software
- Application Software
Set Induction
The teacher asks students:
- “How do we connect with people in different countries instantly?”
- “How does a computer store information?”
- “What makes a computer useful for different tasks?”
These questions will introduce students to the concept of the internet, networks, databases, and software.
Entry Behavior
Students are expected to have basic knowledge of computers and how they function in daily life.
Learning Resources and Materials
- Flashcards with computer network types
- Charts showing database structure
- Projector or whiteboard
- Internet-enabled computer or smartphone
Building Background/Connection to Prior Knowledge
Students have previously learned about computer hardware and its components. This lesson connects to how computers communicate, store data, and run software.
Embedded Core Skills
- Communication
- Critical Thinking
- Digital Literacy
Reference Books
- Lagos State Scheme of Work
- Computer Studies for Junior Secondary Schools
Instructional Materials
- Textbooks
- Charts on networks and databases
- A live demonstration using the internet
Lesson Content
1. Definition of the Internet
- The Internet is a global network that connects millions of computers.
- It allows communication, data sharing, and access to information worldwide.
- Example: Sending an email or browsing a website.
2. Types of Computer Networks
Computer networks allow devices to connect and share data. There are three main types:
a) Local Area Network (LAN)
- A network within a small area like a school or office.
- Example: Computers in a school’s computer lab.
b) Wide Area Network (WAN)
- Covers a large area, such as cities or countries.
- Example: The internet.
c) Metropolitan Area Network (MAN)
- Covers a city or a large campus.
- Example: Bank networks connecting multiple branches.
3. Database Terms
a) Database
- A collection of organized data that can be accessed and managed.
- Example: A school database storing student names and scores.
b) File
- A collection of related records.
- Example: A student’s report card file.
c) Record
- A collection of related fields in a database.
- Example: A single student’s details in a school record.
d) Field
- A single piece of data within a record.
- Example: A student’s name in the database.
4. Computer Software
- Software is a set of instructions that tell a computer what to do.
Types of Software
- System Software – Runs the computer (e.g., Windows, macOS).
- Application Software – Used for tasks (e.g., Microsoft Word, games).
Evaluation Questions
15 Fill-in-the-Blank Questions (Choose a, b, c, or d)
- The internet is a _____ of computers worldwide.
a) network
b) hardware
c) software
d) server - A LAN is used in ____.
a) a single room or building
b) across cities
c) across the world
d) none of the above - A WAN covers ____.
a) a single room
b) a small office
c) multiple countries
d) a school lab - A MAN is mostly used in ____.
a) villages
b) cities
c) schools
d) rooms - A database stores ____.
a) people
b) data
c) cars
d) roads - A file contains ____.
a) records
b) hardware
c) software
d) wires - A record is a collection of ____.
a) fields
b) software
c) databases
d) folders - A field stores ____.
a) multiple records
b) one type of data
c) files
d) software - Software is a set of ____.
a) tables
b) instructions
c) machines
d) computers - Microsoft Word is an example of ____.
a) system software
b) application software
c) hardware
d) internet
15 Frequently Asked Questions (FAQs) with Answers
- What is the internet?
- A global network of connected computers.
- What is a LAN?
- A local network within a small area.
- What is a WAN?
- A wide network that connects cities or countries.
- What is a MAN?
- A network for a city or large area.
- What is a database?
- A collection of organized data.
- What is a file in a database?
- A collection of records.
- What is a record in a database?
- A set of related fields.
- What is a field in a database?
- A single piece of data.
- What is software?
- Programs that control a computer.
- What are the two types of software?
- System software and application software.
10 Evaluation Questions (Short Answer Questions)
- What is the internet?
- List two types of computer networks.
- Define a database.
- What is a LAN?
- What is a record in a database?
- Define software.
- Give an example of system software.
- Give an example of application software.
- What is a field in a database?
- What is a WAN?
Conclusion
The teacher summarizes the key points and asks students questions to confirm understanding. Students are given exercises for further practice, and feedback is provided through corrections and grading.