A. Ethernet LAN cardB. MotherboardC. Hard diskD. RAMWhi……

单项选择题which of the following actions will you not take before beginning installation or removal of anyNON-PNP hardware device inside the computer case?（）

A. Place all the hardware components in static proof bags.
B. Remove all the jumpers from the motherboard.
C. Switch off the main power and remove the power cord
D. Use an anti-static wrist strap.
E. Turn off the computer.
F. Place the computer on the anti-static mat

单项选择题What does ECC stand for?（）

A. Error-Checking Code
B. Extended-Checking Code
C. Error-Correction Code
D. Enhanced-Correction Code

判断题Gas-Plasma displays require more power than LCDs.

单项选择题（）systems can identify individuals with a high degree of certainty.

A.Encryption
B.Biometric
C.Password Authentication
D.Digital

单项选择题Serial ATA (SATA) uses a （）wire interface that creates a point-to-point connection between devices.

A.Twenty-Five
B.Forty
C.Sixteen
D.Seven