Summary
Summary Utillity Software Notes
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Detailed Notes on Utillity Software, including Examples.
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Utility Software – is on every device and is designed to perform a very specific task, usuallyrelated to managing system resources. This is done to increase the efficiency of the
organization.
o Pre-loaded software that is already on the device
o Differs from application software as it is simpler
o Used to maintain the computer, analyse the system and configure it
Purpose of utility software
o Disk cleaner
Frees up disk space on the computer’s hard drive
o Antivirus software
How it works
Works all the time
Scans the device for viruses and corrupt files
Updates itself for new viruses
Detection rates – how quickly and effectively an antivirus program
can detect malicious files
Virus definitions
o Antivirus relies on these to find viruses
With these they delete the potential file
Quarantining file
Taking apart the file
Heuristics
o Used in most computer virus protection software
o False positives can sometimes harm the computer
o Heuristics increases the rate of detecting ‘good files’ as
viruses
o They look for
Erratic behaviour
Copying files randomly
Stop device being infected by viruses and malware
Should be on every device
User error caused by clicking on links from unchecked emails
Inserting infected devices
Online downloading files
o Usability software
Help users read and operate the device (visual impairment)
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