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A. Its a program which acts as a gateway to your PC in which data to and from your computer flows. Rules can be added to only allow specific sites and software to have access to your computer. Rules can also be specified to allow your computer access out to 'trusted' web sites. Firewalls act as sentries guarding access to and from your PC.
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A. Firstly to work effectively it must use the most up to date software and pattern files for the antivirus software package on your PC. This can change on a daily basis!
Next, it compares your data and files with the pattern file (which contains all the latest virus information) and if any anomalies are found you are notified then an attempt is made to quarantine the virus on your computer and then delete it.
A. In the event of a PC 'disaster' whereby data is accidentally erased, or destroyed by a hard disk failure. Say for example that your hard disk is damaged then once it is repaired or replaced you can then proceed to restart your PC by means of your 'back-up' copy of system and personal data. Your backed-up data can be loaded onto your PC from the snapshot that you took at a particular point in time. The more frequently that you take a data snapshot then the more up to data your PC will be.
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A. This can be achieved by utilising a combination of search engine filter settings, firewall and spyware tuning. Also setting up administration functions on your system can allow a greater degree of content control.
A. You will be amazed at what you can understand with the judicious use of a few boxes and pictures on a personalised work-station course. This will arm you with tools to find out more about technology than your siblings until they address you with that coveted mantle 'techno geek'!
A. In very specialised areas of computer technology the answer is yes, but in today's PC world the technology moves along at a walking pace! There is however an occasional 10m sprint!
A. This can be any type of virus, spyware or adware. The effect can be from an annoying intrusion into your privacy (spyware and adware) to the total destruction of your PC via malicious viral attacks.