Computer Virus Quiz: Test Your Knowledge of Viruses

Questions and Answers

A rootkit is a type of malicious software that gains administrator access to a computer system.

Ransomware is a type of malicious software that encrypts the host system's files and demands payment for decryption.

Spyware is a type of malware that secretly gathers information about a user or organization.

A worm is a type of malware that can replicate itself and spread to other computers over a network. Signup and view all the answers

The main goal of spyware is to gather information covertly from a user's system. Signup and view all the answers

Ransomware typically demands a sum of money to be paid in order to regain access to the system. Signup and view all the answers

A rootkit focuses on gaining administrator access to a system, unlike other malware that may have different goals. Signup and view all the answers

A computer infected with ransomware may have its files encrypted and be held hostage until a ransom is paid. Signup and view all the answers

Computer users can prevent malware infections by installing and regularly updating antivirus software. Signup and view all the answers

Signs of a malware infection include slow performance, unexpected pop-ups, and unexplained data loss. Signup and view all the answers

Study Notes

A virus can cause harm to a computer, slowing down its speed, crashing it, or even destroying data.
Viruses can spread through different means, including email attachments, infected software, and infected external devices such as CDs and pen drives.
There are different types of viruses, including file-infecting viruses, boot sector viruses, macro viruses, and malware.
A file-infecting virus can attach itself to an executable file (e.g., file.exe) and remain in the computer even after the original file is deleted.
A boot sector virus can infect the boot sector of a hard drive, making it difficult to recover the computer.
Macro viruses can infect software applications, such as Microsoft Office, and spread through infected documents.
Malware is a broader term that includes viruses, spyware, and other malicious software.

To prevent viruses, it is essential to download software only from legal sources and avoid opening unknown email attachments.
Installing an antivirus program can help detect and remove malware from a computer.
It is crucial to regularly update antivirus software to ensure protection against new viruses.
A firewall can help prevent unauthorized access to a computer and block malicious network traffic.

Antivirus software: a set of programs that identify and remove malware.
Firewall: a system that prevents unauthorized access to a computer and blocks malicious network traffic.