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Computer Science IGCSEPDF 66
142 pagesrevision 46930
PDF 66
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[4]
(b) Edie is concerned that her children may download a virus when accessing websites.
State what is meant by a virus and explain what could happen if a virus was
downloaded.
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[4]
(c) Edie explains to her children how to identify if a website is secure.
(i) Give two ways that her children can identify if a website is secure.
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[2]
(ii) Describe how a browser checks that a website is secure.
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0478/12/M/J/19/Q6
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