单项选择题
Which of the following is a WiFi device？ （）
A.EVDO PCMCIA modem card
B.floppy disk drive add-in card
C.802.11g PCMCIA card
D.56K v.34 PCMCIA modem card
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InatypicalPDA，whichofthefollowingistheprimaryinputtool？（）
A.voice navigation
B.stylus
C.scroll wheel
D.keyboard -
单项选择题
Whichofthefollowingmodesconservesthemostbatterypowerwhileallowingretrievalofthecomputingsessionatalatertime？（）
A.Hibernate
B.Suspend
C.Standby
D.Shutdown -
单项选择题
Ifanexternalmonitorisattachedtoalaptopanditdoesnotwork，whichofthefollowingactionsshouldatechniciantakeFIRST？（）
A.Re-install the operating system.
B.Open and close the cover.
C.Use the function key to activate the monitor.
D.Install new software for the keyboard.
