单选题
A client reports that the laptop is not performing a complete charge of the battery. Which of the following actions should be taken FIRST？ （）
Update the BIOS.
Run the battery calibrator.
Reinstall the ACPI drivers.
Replace the power adapter.
单选题
If an external monitor is attached to a laptop and it does not work， which of the following actions should a technician take FIRST？（）
Re-install the operating system.
Open and close the cover.
Use the function key to activate the monitor.
Install new software for the keyboard.
单选题
After booting up a new computer， a technician observes that the USB ports are not working with any USB devices. Which of the following should be done FIRST？（）
Check the computer to verify that the jumper settings for USB are correct.
Connect the USB devices to a different computer to test the devices.
Buy new USB wires and test USB functionality.
Check the BIOS to verify that USB functionality is enabled.
单选题
Which of the following locations contains the System Restore option in Windows XP？（）
Control Panel Administrative tools.
Control Panel Security Center.
System Properties， Start up and Recovery.
Help and support from the Start menu.
单选题
Which of the following modes conserves the most battery power while allowing retrieval of the computing session at a later time？（）
Hibernate
Suspend
Standby
Shutdown
单选题
The error ’invalid boot disk’ means：（）
the BIOS settings are incorrect.
there is no floppy disk in the drive.
the computer was unable to make temporary space for the boot process.
the computer was unable to find the information needed to start the boot process.
单选题
Which of the following steps in the troubleshooting and repair process is MOST effectivereduce redundant effort？ （）
Discuss the problem with the user and identify any recent changes.
Identify the root cause of the failure.
Verify the problem resolution.
Document activities and outcomes of repair steps.
单选题
When a user is typing on a laptop the cursor sometimes moves on its own. Which of the following is MOST likely the cause？（）
The keyboard driver needs to be updated.
There are conflicting serial ports.
The mouse driver needs to be updated.
The user is brushing the touch pad while typing.
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