单选题
A computer boots up with the error "CMOS Checksum Failure." Which of the following components needs to be replaced？（）
power supply
CMOS chip
motherboard
CMOS battery
单选题
Which processor uses a Slot 1 configuration？（）
AMD Duron
AMD Thunderbird
Intel Pentium
Intel Pentium II
单选题
Which test checks the transmitter and receiver of a local modem？（）
data parity
analog loop back
local digital loop back
remote digital loop back
多选题
A Laser printer keeps getting a "Memory Overflow" error when printing a particular document. Which three of the following are possible fixes？（）
reset the printer cable
replace the toner cartridge
decrease the print resolution
add more RAM to the printer
reduce the RET（Resolution Enhancement Technology）
单选题
Which of the following is NOT a phase of the troubleshooting process？（）
confirm the repair
define the problem
document the results
simplify the problem
单选题
A defective CD-ROM drive is replaced with a new CD-ROM drive. The new CD-ROM drive is able to read any CD that it accesses， but music CDs do not play music. What is the MOST likely cause of this problem？（）
The audio cable is not connected to the drive.
The ribbon cable is not connected.
The power cable is not connected.
The CD-ROM drivers are not installed.
单选题
A user complains that a computer monitor is experiencing a jitter. Replacing the monitor and video card does not fix the problem. Which of the following could be causing the problem？（）
ESD（electrostatic discharge）
motherboard
RAMDAC
EMI（electromagnetic interference）
单选题
A client asks a technician to add a DVD+R burner to a computer system. The technician does this and successfully tests the drive. Three weeks later， the client calls and says that the burner is no longer working. The technician learns that the drive reads CDs and DVDs， but will no longer burn DVDs. When arriving on site， what is the FIRST action that the technician should take？（）
check for a faulty IDE cable
be sure that the DVD+R is formatted before using it
check for incompatible media
re-install the DVD burning software
单选题
What is the FIRST step in diagnosing a completely dead computer that was working fine the day before？（）
remove all peripherals and reinstall them one at a time
replace the CMOS battery
check the AC power cord and verify the power source
back up the entire hard drive
单选题
What is the MOST significant difference between EDO RAM and fast page mode DRAM？（）
EDO RAM is faster.
EDO RAM is slower.
EDO RAM is smaller.
EDO RAM is cheaper.
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