Computer Viruses MCQs
Computer Viruses MCQs
Answer these Computer Viruses MCQs and see how sharp is your knowledge of Computer Viruses. Scroll down and let's start!
1: ________ are viruses that masquerade as useful programs or files.
A. Adware programs
B. Spyware programs
C. Trojan horses
D. Worms
E. Hydras
2: Malware is short for ______ software.
A. Malicious
B. Algorithm
C. Zombie
D. False
3: One of the first software security applications is ____ software
A. Keylogger
B. Antivirus
C. Data backups
D. Signature
4: What is a computer virus?
A. A physical device that can harm computer hardware
B. A program or code designed to replicate itself and infect computer systems
C. A type of computer keyboard with unique features
D. A protective software that prevents malware infections
5: How do computer viruses typically spread?
A. Through physical contact with infected computers
B. Through emails and instant messages
C. Through infected software or files, and over the internet
D. Through social media posts and comments
6: What is a Trojan horse in the context of computer viruses?
A. A virus that spreads through emails and attachments
B. A type of computer virus that disguises itself as a legitimate program to deceive users
C. A virus that primarily targets web browsers
D. A virus that spreads through infected hardware devices
7: What is the primary purpose of a worm in computer viruses?
A. To encrypt files and demand ransom from the user
B. To display annoying pop-up messages on the screen
C. To self-replicate and spread across networks without any user intervention
D. To erase data and corrupt the operating system
8: How can users protect their computers from viruses?
A. By avoiding the use of antivirus software
B. By regularly updating the operating system and antivirus software
C. By disabling firewalls and security settings
D. By opening email attachments from unknown sources
9: What is the most common way for a computer to get infected by a virus?
A. Through direct exposure to infected hardware devices
B. Through software downloads from trusted sources
C. Through downloading and executing files from unknown or untrusted sources
D. Through using encrypted internet connections
10: What is the difference between a virus and malware?
A. A virus is a type of malware that specifically targets computer hardware
B. Malware is a type of virus that primarily spreads through emails
C. A virus is a specific type of malware that self-replicates and infects files or programs
D. Malware is a broader term that includes all types of computer threats except viruses
11: How can antivirus software help protect against computer viruses?
A. By encrypting all files and data on the computer
B. By detecting and removing viruses from the computer
C. By preventing the computer from connecting to the internet
D. By automatically backing up all files and data
12: What is the purpose of a firewall in computer security?
A. To block access to websites with harmful content
B. To protect computer hardware from physical damage
C. To monitor and control network traffic and prevent unauthorized access
D. To encrypt files and data stored on the computer
13: Which of the following actions is NOT recommended to prevent computer viruses?
A. Regularly updating the antivirus software
B. Downloading files from unknown and untrusted sources
C. Avoiding clicking on suspicious links and pop-up ads
D. Using strong and unique passwords for online accounts
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Computer Viruses MCQs
