单选题A new computer is displaying the wrong amount of memory. Which of the following may be the cause？（）AThe module is installed backwards.BA USB device is using some memory.CAn onboard video card is using some memory.DThe CPU is using some memory.
单选题
A new computer is displaying the wrong amount of memory. Which of the following may be the cause？（）
A
The module is installed backwards.
B
A USB device is using some memory.
C
An onboard video card is using some memory.
D
The CPU is using some memory.
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