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.
题目
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.