unit-3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a computer virus? | is a tiny program that can find its way into computers and cause trouble.
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| How do computer viruses spread? | it replicates and copies its self.
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| What are some of the symptoms of having a computer virus? | *program reacting slowly
*total system failure
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| What is a worm? | a program that looks for security holes in a network.
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| What is a network? | groups of computers that are connected.
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| What is a Trojan horse? | a destructive piece of software that is disguised as something good.
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| Where do computer viruses and worms come from? | they come from people who are good with computers *people.
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| How can you protect your computer? | *never open an email attachment from someone you don't know
*never accept unknown downloads
*keep updated virus protection software
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
alex lynn
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