单项选择题
A. Case fan B. Heatsink C. Liquid cooling system D. CPU fan
Which of the following should be done FIRST to a hard d...
单项选择题Which of the following should be done FIRST to a hard drive before it is disposed?（）
A. Partition B. Physical damage C. Data wipe D. Format
Which of the following has the HIGHEST connection laten...
单项选择题Which of the following has the HIGHEST connection latency? （）
A.Satellite B.Cable C.DSL D.Dial-up
Which of the following commands changes a file characte...
单项选择题Which of the following commands changes a file characteristic so that it cannot be seen with astandard directory query? （）
A. attrib file.txt +h B. attrib file.txt +r C. ren file.txt D. attrib file.txt +s
