单项选择题
A. Computer vacuum B. Plastic tweezers C. Canned air D. Screwdriver with magnetized tip
Which of the following is an advantage that a USB mouse...
单项选择题Which of the following is an advantage that a USB mouse has over a PS/2 mouse?（）
A. A USB mouse uses less power B. A USB mouse is more portable C. A USB mouse is hot swappable D. A USB mouse is more secure
Which of the following will help dissipate heat through...
单项选择题Which of the following will help dissipate heat through the heat sink when upgrading a CPU? （）
A. Case fan B. Thermal compound C. Motherboard riser D. Power supply
Which of the following printers requires a specialized ...
单项选择题Which of the following printers requires a specialized paper in order to operate?（）
A.Thermal B.Laser C.Inkjet D.Impact
