FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -People continue the spread of a computer virus, mostly unknowingly, by sharing infecting files or sending e-mails with viruses as attachments in the e-mail. Thus, statement (ii) is true.

Detailed explanation-2: -Never Open Email Attachments Marked as Spam Unless you are using very old software, you won’t get a virus just by opening an email anymore. This is because most viruses require you to take some sort of action (like opening an attachment or clicking on a link) in order to infect your computer these days.

Detailed explanation-3: -While email attachments are a popular and convenient way to send documents, they are also a common source of viruses. Use caution when opening attachments, even if they appear to have been sent by someone you know.

Detailed explanation-4: -Email. Besides randomly downloading files on the Internet, email is the next most common source of threats. Be careful of downloading email attachments that are forwarded to several addresses.

Detailed explanation-5: -What does a computer virus do? Some computer viruses are programmed to harm your computer by damaging programs, deleting files, or reformatting the hard drive. Others simply replicate themselves or flood a network with traffic, making it impossible to perform any internet activity.