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Unit 2 · Information & Communication Technology

Computer Virus Presentation

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Unit 2 · Information and Communication Technology

Computer Virus

Science & Technology · Grade 7

Learning Objectives

🦠

Say what a virus is and why it has that name

🚪

Describe how a virus gets in and spreads

🔎

Tell a real warning sign from an ordinary fault

🛡️

Explain what antivirus does, and what it cannot do

Why That Name?

🧬 A real virus
Cannot live alone. It needs a living cell
Uses that cell to make copies of itself
The copies travel on and reach other cells
=
💾 A computer virus
Cannot run alone. It hides inside a file
Runs when that file is opened, and copies itself
The copies reach other files, drives, and computers

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Presenter notes: Open with a show of hands. Who has heard someone say a computer has a virus? Almost every hand goes up. Then ask a harder one, who can say what a virus actually IS. Hands drop. Sit in that silence for a moment, because the gap between the word everyone uses and the thing nobody can define is exactly what this lesson closes.