Many of you may have seen a shredder at work in their office and some of you might also have it at home. The main purpose of the shredder is to destroy the pages such that no one can read it again.
Computers are pretty much the same and simply deleting the documents would not ensure that it is completely destroyed, deleting a file on the computer is just like throwing a paper in the dustbin without shredding.
But like your regular paper shredder your computer can also shred documents by making use of document shredding softwares.
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