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單項(xiàng)選擇題

When Bob, a technician, powers up a desktop PC, the unit will repeat three short beeps and will not POST. Which of the following is MOST likely the problem?（）

A. The memory is failing.
B. The CPU is overheating.
C. The hard drive is not attached properly.
D. The operating system is not installed.

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單項(xiàng)選擇題

Which of the following is the default location for user account files in Windows Vista?（）

A. C:\windows\System32
B. C:\users\public
C. C:\users
D. C:\documents and settings

單項(xiàng)選擇題

A client reports that the cursor on their laptop moves to one corner of the screen and stays there when they try to use the keyboard joystick. Which of the following components will MOST likely need to be replaced to resolve the issue?（）

A. Touchpad
B. Motherboard
C. Keyboard
D. External pointing device

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