单项选择题
A.Plasma B.LED C.CRT D.LCD
Which of the following is a laptop monitor technology t...
单项选择题Which of the following is a laptop monitor technology that uses a backlight to produce an image on the screen?（）
A. OLED B. Plasma C. DLP D. LCD
A technician is tasked with clearing all dust covering ...
单项选择题A technician is tasked with clearing all dust covering the fan vents of servers in a small office.Which of the following tools would be the BEST option?（）
A. Small vacuum B. Air compressor C. Compressed air can D. Paint brush
Which of the following laptop hardware components requi...
单项选择题Which of the following laptop hardware components requires a re-soldering process in order toreplace properly?（）
A. Mini PCIe wireless card B. Heat sink C. DC jack D. Li-Ion battery
