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Software (Modes of processing (Real time processing (Data is processed…
Software
Modes of processing
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Multi-user systems
Known as time sharing, many different computers sharing the processor of a powerful computer
Utility Software uses
Disk defragmentation
A computer stores its memory in fragments of the hard drive. New files may not be stored next to each other, thus the need to defragment. Defragmentation results in a better speed of the computer.
Backup
Incremental or full
Incremental is when data that has been changed is backed up whereas a full backup is when a full hard drive is backed up.
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Anti Virus
A virus is a malicious software program designed to copy itself onto a computer in order to obtain, alter or delete stored data. (CCEA)
To stop this we install an anti-virus, it is important to keep the anti virus up to date as anti viruses update their register lists which prevent any new viruses from breaching the anti viruses protection