A.-3.3 Volts B.24 Volts C.120 Volts D.12 Volts E.5 Volts
单项选择题WhichofthefollowingisusedtoproducethebestLCDimageonalaptop?()
A.Dual scan B.Active matrix C.Passive matrix D.Active scanning
单项选择题An8XAGPvideocardwillnotfitintotheAGPslot.Whichofthefollowingmaybethecause?()
A.The motherboard only supports 3.3v AGP Cards. B.The motherboard only supports universal cards. C.The video card is defective. D.The slot covers are misaligned.
单项选择题Whichofthefollowingmakestonersticktopaper?()
A.corona transfer wire B.fuser assembly C.drum assembly D.pickup roller assembly
单项选择题Atechnicianreceivesalaptopworkorderstatingthatthemousepointerfromthetouchpadismovingrandomlyaroundthescreen.WhichofthefollowingshouldthetechniciandoFIRST?()
A.Reboot the computer. B.Replace the touchpad. C.Clean the touchpad. D.Update the driver.
单项选择题Atechnicianisperformingpreventivemaintenanceonthehardwarecomponentsinaworkstation.Whichofthefollowingactionsshouldthetechniciantake?()
A.Remove the case front and clean the air vents. B.Unplug the capacitors from the board and clean the contacts. C.Remove the processor and clean the pins with an eraser. D.Remove the processor and clean any dust that has collected between the processor and the heatsink.