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？（）AESD（electrostatic discharge）BmotherboardCRAMDACDEMI（electromagnetic interference）
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？（）
A
ESD（electrostatic discharge）
B
motherboard
C
RAMDAC
D
EMI（electromagnetic interference）
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