Which of the following is a tool for preventing viruses from infecting computers?

The correct answer is Antivirus software.

Key Points

• Antivirus software is a program designed to detect, prevent, and remove malicious software (malware) from computers and networks.
  • It scans files and programs for known viruses and other types of malware, such as worms, trojans, and ransomware.
  • The software uses a database of known virus definitions and heuristic analysis to identify new or unknown threats.
  • Regular updates are essential to keep the antivirus software effective against the latest threats.
  • Common antivirus software programs include Norton, McAfee, Avast, and Bitdefender.
  • It can also provide real-time protection by monitoring system activity and blocking suspicious behavior.

Additional Information

• Antivirus software can be installed on various operating systems, including Windows, macOS, and Linux.
• Many antivirus programs offer additional features like firewalls, email protection, and web browsing protection.
• Some antivirus solutions are available as free versions with limited features, while others require a subscription for full protection.
• It is crucial to keep both the antivirus software and the operating system up to date to ensure maximum security.