单项选择题
A.A tiled room with anti-static mats and wrist straps.
B.A clean， carpeted room with anti-static mats and wrist straps.
C.A tiled room in a warehouse with outside ventilation.
D.A clean， carpeted room with air purifiers and dehumidifiers.
多项选择题 Whichofthefollowingcanbeusedtodeterminetheamountofphysicalmemoryinstalledinalaptop？（）
单项选择题 Atechnicianreceivesacomputerforrepairandobservesthatthefanonthepowersupplyisnotmoving.Whichofthefollowingshouldthetechniciando？（）
单项选择题 AtechnicianreceivesaworkorderrequestingtheinstallationofanNLXmotherboardintoamicroATXcase.Whichofthefollowingshouldthetechnicianrecognize？（）