单项选择题
A. The monitor cannot display the increased resolution that is a feature of the new graphics card.
B. The power supply does not provide enough wattage to power the new graphics card.
C. The new graphics card is incompatible with the existing processor.
D. The computer does not have enough RAM to support the new graphics card.
单项选择题 A user is trying to boot a desktop PC from their A: drive. Which of the following devices is the userdescribing？（）
单项选择题 A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. TheWLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why theWLAN card is performing at that speed? （）
单项选择题 After a technician installs a new CMOS battery on a motherboard, which of the following will thetechnician have to change? （）