单项选择题

A. Computer vacuumB. Plastic tweezersC. Canned airD. Sc……

A technician dropped a screw in the case of a desktop computer. Which of the following toolsshould be used to retrieve the screws?（）

A. Computer vacuum
B. Plastic tweezers
C. Canned air
D. Screwdriver with magnetized tip

<上一题目录下一题>

热门试题

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

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

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

单项选择题Which of the following is the correct connector for an internal floppy drive?（）

A. 50-pin SCSI
B. 40-pin ribbon
C. 34-pin ribbon
D. 4-pin SATA

单项选择题Which of the following ports is the default for HTTP?（）

A.21
B.25
C.80
D.110