http://www.youtube.com/watch?v=NLMoBYeBUIE how to defrag... defregmentasion is to arrange files in order.
http://www.youtube.com/watch?v=_8AEoeWXMpk how to format a diskette. When you format everything you delete files.
http://www.youtube.com/watch?v=mq3vdsCux-c how to compress a folder .. when you compress a folder you use less space and can be transfarred to other computers more quickly
Viruses and antiviruses
Viruses are small programms that may harm your computer. You can have a virus from internet or a drive . An antivirus software server is needed to protect your computer from viruses . The most common antiviruses are Mac A fee and norton anti virus.
Well done Ritiona. You might be interested to insert the youtube vidoes as part of your article instead of simplying inserting the link. There is a button to do this.. talk to me in class if you don't manage ok?
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