单选题
Which of the following item colorizes the paper using a two-component laser printer？ （）
toner
laser beam
developer
ribbon
单选题
A technician is troubleshooting a CD/DVD drive. There is a disk in the drive and the tray wont eject. Which of the following actions should the technician take FIRST？ （）
Shutdown， restart and verify that the BIOS recognizes the drive and try again.
Replace the CD/DVD drive.
Pry the tray open with a small， flat head screwdriver.
Place the end of a paper clip in the emergency eject pinhole on the CD/DVD drive.
单选题
Which of the following represents a safety hazard？（）
liquid on the floor
a tiled floor
a concrete floor
carpet
多选题
A technician is installing a printer that uses a parallel cable to connect to a computer. Which of the following pin configurations might the technician encounter？ （）
9 pin D-type
36 pin Centronics
25 pin Centronics
13 pin D-type
25 pin D-type
单选题
A shipping department is reporting that a laser printer in the receiving area is becoming jammed because the printer attempts to pull several sheets of paper for each print.Which of the following may be the cause？（）
The paper is sticking to the corona wire and causing the jam.
Humidity is causing the paper to stick together.
A4 paper is being used and may not be supported by laser printers.
The fusion roller is dirty and pulling too many sheets of paper.
单选题
A user reports that when trying to print a document nothing comes out of the printer and states that the only printer in the printer dialog box is ’Microsoft Office Document Image Writer.’ The technician should understand that the problem is that the printer： （）
has not been installed on the user’s computer.
is not turned on.
driver is corrupt.
cable is unplugged.
单选题
To force a user to use Ctrl-Alt-Delete to log into the computer， a technician can go to Control Panel then：（）
Accessibility options.
Security Center.
User accounts and the Advanced tab.
Windows Firewall.
单选题
Which of the following printers prints multi-part forms at once？ （）
ink jet
thermal
impact
laser
单选题
Which of the following item colorizes the paper using a two-component laser printer？（）
ribbon
developer
laser beam
toner
单选题
A new computer is displaying the wrong amount of memory. Which of the following may be the cause？（）
The module is installed backwards.
A USB device is using some memory.
An onboard video card is using some memory.
The CPU is using some memory.
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