AnswersComputer Science FoundationsThe Evolution of the Computer

System Maintenance Answers

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1
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What can you do to prevent damage to a computer? Check all of the boxes that apply.

A
Keep your computer in a temperature-controlled room.
B
Tie cords in knots so they are shorter.
C
Dust your computer only when you see a buildup of dust.
D
Use surge protectors when you are away from home or school.
3

What are steps for properly cleaning a PC or Mac laptop fan? Check all boxes that apply.

A
For a PC laptop, remove the CPU case, locate the fans, and then use compressed air to blow dirt through the internal slits.
B
For a Mac laptop, visit an Apple Store or take a look at your Apple Care Protection Plan, if applicable.
C
For PC and Mac laptops, use compressed air on all ports and drives.
D
For PC and Mac laptops, consider getting an experienced technician to help you.
4

Which of the following are good backup methods you can use to protect important files and folders from loss in the case of a hard drive failure? Check all of the boxes that apply.

A
Back up files in the cloud.
B
Back up files on CDs and DVDs.
C
Back up files on the computer’s internal memory.
D
Back up files on an external hard drive or jump drive.
5

How should you clean the keyboard on your desktop computer? Check all of the boxes that apply.

A
Hold your keyboard upside down over a wastebasket.
B
Gently shake the keyboard.
C
Hold the keyboard vertically over a wastebasket and spray with compressed air.
D
Remove each key from the keyboard, and use a cotton swab to get dust, oil, and dirt out.
6

Which of the following statements describe surge protectors and the purpose of using them? Check all of the boxes that apply.

A
They protect hardware from damage caused by electrical storms.
B
They keep your computer and peripherals safe from power surges.
C
They need only be used when you are at home or in school.
D
They are built in to all computers to protect from external harm.
7

Which of the following are best and safe practices for shutting down a computer or disconnecting a device? Check all of the boxes that apply.

A
Unplug and then eject.
B
Do not unplug devices while the computer is running or while you are using those devices.
C
Press the Power button to shut down.
D
Use the computer’s Shut Down option.
9

What is Sleep mode? Check all of the boxes that apply.

A
It is a power-saving mode for a computer.
B
It puts your work and computer settings in memory while using little power.
C
It is a power-saving mode designed for laptops.
D
It is the same thing as Hibernate mode.
10

What are the benefits of using disk cleanup as part of regular maintenance on a computer? Check all of the boxes that apply.

A
Trash is emptied to clear space on the hard drive.
B
Files that are no longer needed are deleted to clear space and help the computer run faster.
C
Accumulated temporary files are deleted to help the computer run faster.
D
Unnecessary program files that may slow down the computer are deleted.
11

Which of the following are advantages of automatic updates?

A
They protect against viruses.
B
They protect against hackers.
C
They provide free software for your computer.
D
They keep your computer running at peak performance.

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