Lesson Plan for Senior Secondary 3 - Data Processing - Computer Virus I

**Lesson Plan: Data Processing for Senior Secondary 3** **Topic: Computer Virus** --- **Objective:** By the end of this lesson, students will be able to: 1. Understand the definition and general knowledge of computer viruses. 2. Identify various types of computer viruses and their characteristics. 3. Recognize the symptoms of a virus-infected computer. 4. Discuss methods of preventing and removing computer viruses. --- **Materials Needed:** - Whiteboard and markers - Projector and computer for presentations - Handouts with key information - Computer systems for practical demonstration - Internet access for research activities --- **Lesson Duration:** - Total time: 80 minutes --- **Lesson Structure:** ### Introduction (10 minutes) 1. **Greeting and Attendance** (2 minutes) - Briefly greet the students and take attendance. 2. **Lesson Introduction** (8 minutes) - Start with a short discussion on the importance of computer security in daily life. - Pose an intriguing question to the class: "How many of you or someone you know have experienced a virus on their computer or smartphone?" - Introduce today’s topic: Computer Virus. --- ### Main Content (50 minutes) **1. Definition and Importance of Computer Virus** (10 minutes) - Define what a computer virus is. - A computer virus is a malicious program designed to replicate itself and spread to other computers usually with the aim of causing harm. - Explain the significance of understanding and preventing viruses in the modern digital age. **2. Types of Computer Viruses and Their Characteristics** (15 minutes) - Discuss different types of viruses: - Boot Sector Virus - File Infector Virus - Macro Virus - Polymorphic Virus - Resident Virus - Provide examples and characteristics of each type using a PowerPoint presentation. - Distribute the handout listing these types and their characteristics for students to keep. **3. Symptoms of a Virus-Infected Computer** (10 minutes) - Highlight common symptoms: - Slow computer performance - Frequent crashes and errors - Unexpected pop-up messages - Files being deleted or corrupted - Applications behaving abnormally - Show a short video clip demonstrating these symptoms. **4. Prevention and Removal of Viruses** (15 minutes) - Discuss preventive measures: - Regularly updating software and operating systems. - Installing reputable antivirus software. - Avoiding suspicious email attachments and downloads. - Using strong and unique passwords. - Teach basic virus removal techniques: - Running a system scan with antivirus software. - Booting the system in safe mode. - Restoring the system to a previous restore point. - Conduct a practical demonstration on a computer system. --- ### Activity (15 minutes) - **Group Activity: Research and Presentation** - Divide students into small groups. - Each group will be assigned a specific type of virus to research. - Each group will prepare a short presentation (5 minutes) on their assigned virus, including real-world examples, symptoms, and preventive measures. - Allow groups to present their findings to the class. --- ### Conclusion (5 minutes) 1. **Recap and Q&A** (3 minutes) - Summarize the key points discussed during the lesson. - Encourage students to ask questions and provide answers or clarifications. 2. **Homework Assignment** (2 minutes) - Ask students to write a brief essay on how they can protect their personal devices from computer viruses and submit it in the next class. - Provide clear instructions and due date for the homework. --- **Evaluation:** - Assess the students’ presentations for understanding and clarity. - Review and provide feedback on the homework assignment. - Observe students' participation during the lesson to gauge understanding and engagement. **Additional Notes:** - Ensure that all multimedia tools are prepared and tested before the lesson begins. - Be attentive to students' participation and encourage shy students to actively engage in the discussions and activities. - Support students having difficulty understanding the concepts by providing additional examples or one-on-one assistance if necessary. --- With this lesson plan, students should leave with a well-rounded understanding of computer viruses, their impact, and how to effectively combat them.