单项选择题

A.tonerB.laser beamC.developerD.ribbonWhichofthefollowi……

Which of the following item colorizes the paper using a two-component laser printer？（）

A.toner
B.laser beam
C.developer
D.ribbon

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热门试题

单项选择题Whenexperiencingvideoproblems，whichofthefollowingshouldbeperformedFIRSTtoensurethatthemonitorisnotcausingtheproblem？（）

A.Check for the latest video drivers.
B.Install a known-good video adapter.
C.Attach the monitor to a known-good computer.
D.Replace the monitor.

单项选择题WhenrebootingacomputerrunningWindowsXPHome，atechnicianobservesanerrormessagestating，“illegalI Oportaddress.”Whichofthefollowingcanbedonetoresolvethiserror？（）

A.Upgrade the motherboard BIOS.
B.Upgrade to Windows XP Professional.
C.Upgrade the CPU on the motherboard.
D.Return to Windows 2000 Professional.

单项选择题Whichofthefollowingwouldbeanexampleofabiometricdevice？（）

A.USB security key
B.smart card reader
C.thumb print reader
D.encryption password

单项选择题ToforceausertouseCtrl-Alt-Deletetologintothecomputer，atechniciancangotoControlPanelthen：（）

A.Accessibility options.
B.Security Center.
C.User accounts and the Advanced tab.
D.Windows Firewall.

单项选择题AtechnicianislockedoutofadesktopsBIOSbecauseofaforgottenpassword.Whichofthefollowingisamethodofremovingthepassword？（）

A.Replace the power supply unit.
B.Reseat the systems memory.
C.Reset the proper jumper.
D.Re-install the operating system.