Ch 8: Understanding & Preventing Computer Viruses

About This Chapter

If you need to review the basics of computer viruses and learn how to prevent them, check out this useful online study guide chapter. The chapter offers short lessons and quizzes that can help you improve your computer virus knowledge for school, work or personal use.

Understanding & Preventing Computer Viruses - Chapter Summary

In this computer science chapter, you'll study the basic components of computer viruses. Our short and simple lessons examine the history of computer viruses, as well as prevention and protection methods agains malware, worm viruses and Trojan Horse viruses. When you're finished with a lesson, try its accompanying quiz to retain the information. The chapter is accessible at any time, and it also includes a comprehensive exam to help you make sure you fully understand these computer virus concepts. By the end of the chapter, you should be equipped to:

  • Compare different types of malware
  • Recognize methods for protecting computers against viruses
  • Explain the history of computer viruses
  • Describe removal options and tools for worm viruses and Trojan Horse viruses

5 Lessons in Chapter 8: Understanding & Preventing Computer Viruses
Test your knowledge with a 30-question chapter practice test
What is Malware? - Definition, Examples & Types

1. What is Malware? - Definition, Examples & Types

Viruses, worms, spyware, adware, hijackers, and Trojans. What do all of these things have in common? They're all forms of malware. In this lesson, we'll define malware and discuss some common types and examples.

What is a Computer Virus? - Definition, Types & Protection

2. What is a Computer Virus? - Definition, Types & Protection

In this lesson, we'll discover the nature of computer viruses and how they are commonly spread. We'll look at the types of viruses, protection schemes, and some real-life examples.

The History of Computer Viruses

3. The History of Computer Viruses

In this lesson, we will understand what viruses are. We will also examine their history from the time the idea was conceptualized and developed, to the menace it has evolved into today.

What is a Trojan Horse Virus? - Definition, Examples & Removal Options

4. What is a Trojan Horse Virus? - Definition, Examples & Removal Options

During this lesson, we will describe a Trojan horse and why it is used. We will also learn the identification of several potential targets. Finally, we will discuss some preventative actions to help avoid future Trojan horse attacks.

What is a Worm Virus? - Definition, Examples & Removal Tools

5. What is a Worm Virus? - Definition, Examples & Removal Tools

This lesson will explain what a worm virus is and how it differs from other computer attacks. You'll see some examples and learn about tools to remove a worm virus, then take a brief quiz to reinforce this new information.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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