FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Antivirus software is an example of a security utility program. It is a program or set of programs that are designed to prevent, search for, detect and remove software viruses and other malicious software like worms, Trojans, adware, etc.

Detailed explanation-2: -Yes. Its true that antivirus is a utility program. Antivirus software is a software that is used to detect and delete malware in a computer system. Some examples of Antivirus software are Kaspersky Antivirus, AVG Antivirus, Panda Antivirus etc..

Detailed explanation-3: -Utility Software performs certain tasks like virus detection, installation, and un-installation, data backup, deletion of unwanted files, etc. Some examples are antivirus software, file management tools, compression tools, disk management tools, etc.

Detailed explanation-4: -Lotus 123 is not an example of utility software. The main use of utility software is to maintain, manage and control the computer resources. The operating system of computer has some necessary tools for this but separate utility programs can improve functionally.