单项选择题
A computer’s case fan protects against which of the following environmental concerns?（）
A. Pressure
B. Heat
C. Brown out
D. Cold
点击查看答案
相关考题
-
单项选择题
Which of the following is MOST likely a managed, Layer 3 device?（）
A.Router
B.Bridge
C.Hub
D.Switch -
单项选择题
A user is experiencing headaches and motion sickness symptoms when using their new computermonitor. Which of the following can a technician adjust to help the user?（）
A. Privacy filter
B. Refresh rate
C. Use a digital signal
D. Brightness -
单项选择题
A technician is installing a new power supply into a computer. One of the power supply connectors that the technician needs to connect to the motherboard is square and contains 4-pins. This connector is known as which of the following?（）
A.SATA
B.FDD
C.IDE
D.ATX
