Types of Computer Viruses Quiz

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Questions and Answers

What is a common characteristic of a boot sector virus?

  • Transmitted primarily through email messages
  • Causes the computer to display unusual messages
  • Infects the Master Boot Record (MBR) (correct)
  • Attaches to specific file types

Which virus is known for infecting Word and Excel files?

  • Active virus
  • Email virus
  • Macro virus (correct)
  • Boot sector virus

What is a common way an email virus spreads?

  • Transmitting through floppy disks
  • Infecting the Master Boot Record (MBR)
  • Through infected email attachments (correct)
  • Attaching to specific file types

What makes a file-infecting virus different from a macro virus?

<p>Replicates by infecting executable files (C)</p>
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Which type of virus is designed to replicate and spread via email attachments?

<p>Macro virus (B)</p>
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How do you differentiate between an active virus and an email virus?

<p>Email viruses replicate and spread via email attachments. (C)</p>
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What was the name of the first widespread computer virus that was created in Pakistan in 1986?

<p>BRAIN (D)</p>
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Which type of virus infects the boot sector of a computer's storage device?

<p>BRAIN (A)</p>
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What type of virus is designed to activate and replicate itself when the infected file is opened or executed?

<p>Macro Virus (A)</p>
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Which of the following is an example of a macro virus?

<p>Melissa (C)</p>
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What precaution should you take to avoid email viruses?

<p>Opening email attachments from unknown sources (D)</p>
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Why is it essential to have antivirus software installed on your computer?

<p>To detect and remove malware and viruses (D)</p>
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Which type of virus infects files on a computer?

<p>Macro virus (B)</p>
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What type of virus is known to infect the boot sector of a computer's hard disk?

<p>File-infecting virus (B)</p>
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Which type of virus is often spread through malicious email attachments?

<p>Macro virus (B)</p>
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What type of virus is designed to execute when the infected file is accessed or opened?

<p>File-infecting virus (A)</p>
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Which type of virus is capable of damaging the boot sector of a computer?

<p>Macro virus (D)</p>
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Which category of viruses is known to infect executable files and spreads when those files are run?

<p>Active viruses (C)</p>
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Flashcards

Boot sector virus

A virus that infects the Master Boot Record (MBR) of a computer's storage device, which is responsible for loading the operating system.

Macro virus

A type of virus that infects Microsoft Office documents, such as Word and Excel files, and spreads when these files are opened.

Email virus

A virus that replicates and spreads through email attachments, often disguised as harmless files.

File-infecting virus

A virus that specifically targets and infects executable files, such as programs and system files, and replicates when these files are run.

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Active virus

A virus that is designed to activate and replicate itself when the infected file is opened or executed.

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BRAIN virus

A virus that infects the boot sector of a computer's storage device. It can cause problems launching the operating system.

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Macro virus

A virus that uses macros in applications like Microsoft Word or Excel to replicate and spread.

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Email virus

A virus that spreads through email attachments, often disguised as harmless files, leading to infection when the attachment is opened.

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File-infecting virus

A virus that infects executable files, like programs, and replicates when these files are opened.

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Boot sector virus

A virus that infects and can potentially harm the boot sector of a computer, which is crucial for the operating system.

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Email virus

A virus that spreads through email attachments and is designed to execute malicious code when the attachment is opened.

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Boot sector virus

A virus that is capable of damaging the boot sector of a computer, preventing the operating system from loading properly.

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File-infecting virus

A virus that infects files on a computer, such as executable programs, and spreads when those files are run.

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Macro virus

A virus that utilizes macros in software applications to execute malicious code and replicate.

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Email virus

A virus that spreads through email attachments and is designed to execute harmful code when the attachment is opened.

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File-infecting virus

A virus that infects executable files and spreads when those files are run.

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Active Virus

A virus that is designed to execute malicious code when the infected file is accessed or opened.

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Boot sector virus

A virus that is capable of infecting and damaging the boot sector of a computer, which is crucial for the operating system to load correctly.

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Study Notes

Virus Characteristics

  • A common characteristic of a boot sector virus is that it infects the boot sector of a computer's storage device.
  • A file-infecting virus is different from a macro virus in that it infects files on a computer, whereas a macro virus infects Word and Excel files.
  • A macro virus is designed to activate and replicate itself when the infected file is opened or executed.

Email Viruses

  • An email virus is designed to replicate and spread via email attachments.
  • To differentiate between an active virus and an email virus, note that an email virus spreads through email attachments.
  • A precaution to avoid email viruses is to be cautious when opening email attachments.

Types of Viruses

  • A boot sector virus is a type of virus that infects the boot sector of a computer's hard disk.
  • A macro virus is an example of a virus that infects Word and Excel files.
  • A file-infecting virus is a type of virus that infects files on a computer.
  • An email virus is a type of virus that is often spread through malicious email attachments.

History and Importance

  • The first widespread computer virus was created in Pakistan in 1986 and was called the Brain virus.
  • It is essential to have antivirus software installed on your computer to protect against viruses.

Capabilities and Risks

  • A file-infecting virus is capable of damaging the boot sector of a computer.
  • A macro virus is designed to execute when the infected file is accessed or opened.
  • The category of viruses that infects executable files and spreads when those files are run is known as file-infecting viruses.

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