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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?()

A

Check the computer to verify that the jumper settings for USB are correct.

B

Connect the USB devices to a different computer to test the devices.

C

Buy new USB wires and test USB functionality.

D

Check the BIOS to verify that USB functionality is enabled.

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? ()

A

Update the BIOS.

B

Run the battery calibrator.

C

Reinstall the ACPI drivers.

D

Replace the power adapter.

单选题 Which of the following commands could be used to start the Management Console on a workstation running Windows 2000/XP?()

A

Start > Run > MCP

B

Start > Run > MCE

C

Start > Run > MCA

D

Start > Run > MMC

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?()

A

The keyboard driver needs to be updated.

B

There are conflicting serial ports.

C

The mouse driver needs to be updated.

D

The user is brushing the touch pad while typing.

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?()

A

Re-install the operating system.

B

Open and close the cover.

C

Use the function key to activate the monitor.

D

Install new software for the keyboard.

单选题 Which of the following locations contains the System Restore option in Windows XP?()

A

Control Panel Administrative tools.

B

Control Panel Security Center.

C

System Properties, Start up and Recovery.

D

Help and support from the Start menu.

单选题 In a typical PDA, which of the following is the primary input tool?()

A

voice navigation

B

stylus

C

scroll wheel

D

keyboard

多选题 Which of the following are primary differences between a laptop and a desktop CPU?()

A

heat production 

B

L2 Cache 

C

clock speed 

D

front side bus

E

power consumption

单选题 The error ’invalid boot disk’ means:()

A

the BIOS settings are incorrect.

B

there is no floppy disk in the drive.

C

the computer was unable to make temporary space for the boot process.

D

the computer was unable to find the information needed to start the boot process.

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