单项选择题 A manager calls with an urgent issue and needs their machine fixed as soon as possible. Thetechnician arrives and the office is empty, however there are several confidential papers on the desk. Which of the following should the technician do NEXT?（）

单项选择题 Which of the following memory types has 184 pins?（）

单项选择题 Which of the following is the FIRST thing a technician should do before putting their hand inside a computer case?（）