Computer Maintenance
Computer Studies · 50 practice questions
General cleaning of the computer system; charging and replacing batteries for portable systems and UPS; cleaning the drive lens; simple hardware and software maintenance; recovering data from a crashed system.
- Perform general cleaning and simple hardware/software maintenance of a computer system.
- Recover data from a crashed system.
Try a few questions
- Practice question 1
Compressed air can be used to safely blow dust out of hard-to-reach areas within a computer, such as
- A.between keyboard keys
- B.directly into an active electrical outlet
- C.inside a sealed, unopened hard disk drive
- D.directly onto a powered-on monitor screen
Show the answer
A. between keyboard keys
Compressed air is a common, safe tool for clearing dust from tight spaces like between keyboard keys.
- Practice question 2
Charging the battery of a portable computer system, such as a laptop, helps ensure it can operate when
- A.permanently connected to a power outlet at all times
- B.connected to a network cable exclusively
- C.switched off and in storage indefinitely
- D.not connected to a power outlet
Show the answer
D. not connected to a power outlet
Charging the battery allows the portable device to continue operating away from a fixed power source.
- Practice question 3
Cleaning the drive lens, such as in an optical disc drive, helps maintain its ability to
- A.display graphics on the monitor
- B.accurately read data from discs
- C.permanently store data without a disc
- D.connect wirelessly to a network
Show the answer
B. accurately read data from discs
A clean lens ensures the optical drive can properly read the data encoded on a disc.
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