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A computer virus is designed to infect programs & files with malicious code, changing how a computer operates and spreading across systems.
What is a VPN? What does it do? How does it work? And how can you use a VPN? Learn all about a VPN's definition and uses in our guide.
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We all have some concept of hacking - but do you really know what it is? Read our full hacking definition here.
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Learn how to delete your Google search history from your phone or computer and permanently erase recent activity from your Google account.