FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Always update software and apps as soon as possible becasuse updates are released to fix weaknesses that might otherwise be exploited by cyber criminals. Antivirus software is essential to protect your computer from viruses and other types of malware, such as ransomware and spyware.

Detailed explanation-2: -Users must update their software regularly to patch security vulnerabilities ("holes"). Antivirus software also needs to be regularly updated to recognize the latest threats. This is because malicious hackers and other individuals are always creating new viruses.

Detailed explanation-3: -Antivirus software needs regular updating and improvements because viruses and other malware are created every day. As such, it is vital to keep your antivirus software updated to help ensure that you have protected your device from the latest threats.

Detailed explanation-4: -What happens if the antivirus is not updated? Nothing, until the computer is infected by malware for which it has not received the updated signature file. At that point, the antivirus will not recognise the associated malware and will not form an effective defence against it.

Detailed explanation-5: -Most antivirus suites use signatures left by malware to detect, and enable quarantining of the affected files. Without a current signature file, which is updated multiple times a week, antivirus software would be unable to respond to new threats.