单项选择题 A user wants to convert their current computer into an audio/video editing workstation byupgrading components. They want to start by upgrading the hard drive. Which of the followinghard drives should be chosen to maximize read/write speed?（）

单项选择题 A user notices the department laser printer is printing light. Which of the following items should a technician do FIRST to fix this issue? （）

单项选择题 A technician is installing an Express Card 54 device into a laptop. How will the device MOST likely be installed?（）