alleryAn antivirus program and a disk defragmentation tool are both examples of:
ADevice drivers
BSystem utilities
CProgramming tools
DCustomised software
Answer & Solution
Correct answer: B. System utilities
1. Software used for maintenance and configuration of the computer system is called a system utility.
2. Some ship with the operating system, such as the disk defragmentation tool and the formatting utility.
3. Others are added later to improve performance, such as antivirus software and disk cleaners.
4. A device driver instead controls one particular attached device.
5. Programming tools are for writing code, and customised software is built for one organisation.
_Source: syllabus Computer Science Class 11, Ch 1 'Computer System', S1.7.2 System Software_
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