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System Software (data backup and restore (full backup and incremental…
System Software
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anti virus
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it is responsible for detecting, blocking and quarantining viruses
a virus is a malicious software designed tomes up your computer, i.e. delete files etc
Processing
batch processing
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used in payroll systems, billing systems etc
real time processing
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used in air traffic control rooms, concert booking etc.
defragmentation
defragmentation groups all the connected files together and put all the empty files together so the hard drive doesn't have to work as hard getting the files and so the computer goes faster
files being broken up and put in the nearest open space where a file as deleted from before, defragmentation fixes this
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