判断题
正确
（）are often used to organize and index the information ...
单项选择题（）are often used to organize and index the information or prices of objects.
A. Object codes B. Bar codes C. References D. Notes
POST errors in the 17xx range generally indicate （）erro...
单项选择题POST errors in the 17xx range generally indicate （）errors.
A.USB B.Floppy disk drive C.Motherboard D.Hard disk drive E.COM1
Bluetooth is a （）technology.A. SatelliteB. MicrowaveC. ...
单项选择题Bluetooth is a （）technology.
A. Satellite B. Microwave C. Light wave D. Radio Frequency
