## Subject: Computer Science

## Grade level: Year/Grade 8 (12-13 years old)

## Length: 30 minutes

### Objectives

By the end of this lesson, students will be able to:

- Define what a computer is and what it can be used for
- Identify the basic components of a computer system
- Differentiate between hardware and software
- Understand the importance of computer security

### Materials Needed

- Computer with internet access and projector
- PowerPoint presentation
- Handouts with definitions and key concepts
- Whiteboard and markers
- Assessment worksheet

### Introduction (5 minutes)

- Greet students and introduce the topic of computer basics.
- Facilitate a brief class discussion about what computers are and what they are used for.
- Present the goals and objectives of the lesson.

### Basic components of a computer system (10 minutes)

- Use PowerPoint presentation to describe the key components of a computer system, including the central processing unit (CPU), memory, storage devices, input and output devices, and communication ports.
- Show real-life examples of each component to illustrate how they work together in a computer.

### Software and hardware (10 minutes)

- Present the definition of software and hardware and the difference between them.
- Describe types of software, including operating systems, applications, and utilities.
- Show examples of hardware, including internal and external components.

### Computer security (5 minutes)

- Introduce the basic concepts of computer security, including passwords, firewalls, and antivirus software.
- Explain the importance of protecting personal and sensitive information.

### Conclusion (5 minutes)

- Recap the main points of the lesson.
- Distribute an assessment worksheet to the students to evaluate their comprehension of the material.
- Answer any questions before concluding the lesson.

### Assessment

- The assessment worksheet will be used to evaluate each student's understanding of the basic concepts presented in the lesson.