单项选择题
Which of the following can cause ghosting in a video image？（）
A.Bent pin on an S-Video cable B.Mislabeled component cables C.Defective HDMI cable D.Improperly terminated coax cable
单项选择题 Whenintegratingamediaserverintoahometheater，whichofthefollowingtermsBESTdescribesthetechnologyusedtoprotecttheinterestofcopyrightholders（e.g.multimediacontent）？（）
单项选择题 Whichofthefollowingisadiplexerusedfor？（）
单项选择题 Whichofthefollowingistheprimarypurposeofimpedancematchedvolumecontrol？（）
