Multiple Choice
Three common tasks performed during preventive maintenance include
A) Vacuuming the computer, cleaning CD/DVD laser, and using urethane swabs to clean between the keys on a keyboard
B) Cleaning the CPUʹs gold pins, lubricating disassembled drives, and replacing cables
C) Using alcohol to clean the case, moving adapters to different locations on the motherboard, and pressing the power-on and off button 10 times in quick succession
D) Replacing the computer case, upgrading the microprocessor, and using soap and water to clean printer rollers
Correct Answer:

Verified
Correct Answer:
Verified
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