单项选择题
Which of the following is the recommended disposal method for used computers？（）
A.Trash can
B.Burial
C.Recycling center
D.Storage shed
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Whichofthefollowingcanconserveenergyinaserverroom？（）
A.Sealing all potential cold air leaks
B.Installing additional cooling fans
C.Setting the temperature lower
D.Replacing the UPS with a generator -
单项选择题
AcorporationplanstoreplaceolderofficePCswithenergyefficientpersonalcomputersintheir24hourhelpdeskdepartment.WhichofthefollowingwouldbetheBESTchoice？（）
A.Tablet notebooks with LCD monitors
B.Thin clients with LCD monitors
C.Thin clients with CRT monitors
D.Notebook computers with LCD monitors -
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Whichofthefollowingtermsisusedwhenprintingdataonboththefrontandthebackofpaper？（）
A.Scaling
B.Copying
C.Duplex
D.Simplex
