Final answer:
Antivirus software is designed to search for viruses, notify users when they're found, and remove them from infected files or disks.
Step-by-step explanation:
The correct answer is b) Antivirus software.
Antivirus software is specifically designed to search for viruses, notify users when they are found, and remove them from infected files or disks. It is an essential tool for protecting computers from viruses and other malware.
For example, antivirus software can scan files, emails, and websites for potential threats. When a virus is detected, the software will alert the user and take action to remove or quarantine the infected file. This helps to prevent the virus from spreading and causing harm to the computer or network.