单项选择题

A.Light is shown through the image and onto the scanner……

Which of the following is the process a scanner uses to scan images to a computer？（）

A.Light is shown through the image and onto the scanner head
B.Light is reflected off a mirror onto the Charged Coupled Device （CCD）
C.Light is flashed off a mirror onto the CCD
D.Light is reflected off the image and into a camera

<没有了目录下一题>

热门试题

多项选择题WhichofthefollowingisthevoltagethatanATXmolexconnectordeliverstoanIDEdevice？（）

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.