Rex K-12 Hardware Post-Test

Which port allows you to connect a monitor to the tower?

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Where does a computer get power?

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True or false: It is safe to use water to clean the inside of your computer tower.

• True

• False

What should you use to clean dust from tower ports and fan vents?

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True or false: A keyboard can be wireless.

• True

• False

How can you protect your computer from electrical outages?

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What does a mouse do?

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True or false: A laptop is a portable computer.

• True

• False

Answer explanation

Which of these is an example of troubleshooting?

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What piece of internal hardware keeps a computer from overheating?

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