【简答题】回答请以分号分隔 (1)Printed circuit board is a flat board that holds chips and other electronic components.The board is made of________(层)(typically 2 to 10)that interconnects components________(经由)copper pat...
【单选题】After hardware upgrades have been installed, the technician boots the computer system. Nodisplay output is observed but a beeping is heard from the computer. Which of the following is the MOST likely ...