MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -An antivirus is a utility software that helps to keep the computer virus-free. Moreover, it notifies when any malicious file is detected and removes such files. In addition, it scans any new device attached to the computer and discards any virus if there.

Detailed explanation-2: -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-3: -Utility software is software designed to help analyze, configure, optimize or maintain a computer. It is used to support the computer infrastructure-in contrast to application software, which is aimed at directly performing tasks that benefit ordinary users.

Detailed explanation-4: -Utility computing is a service provisioning model that offers computing resources such as hardware, software, and network bandwidth to clients as and when they require them on an on-demand basis. The service provider charges only as per the consumption of the services, rather than a fixed charge or a flat rate.

Detailed explanation-5: -What is utility software? These software analyzes and maintain a computer. These software are focused on how OS works on that basis it perform task to enable smooth functioning of computer.