Which of the following keys are used to access advanced Windows start up options while a computer is booting？（）

单项选择题Theutilitythatchecksthefilesystemstructureis：（）

A.REGEDIT
B.SYSEDIT
C.MSCONFIG
D.CHKDSK

单项选择题Theerror’invalidbootdisk’means：（）

A.the BIOS settings are incorrect.
B.there is no floppy disk in the drive.
C.the computer was unable to make temporary space for the boot process.
D.the computer was unable to find the information needed to start the boot process.

单项选择题WhichofthefollowingisaWiFidevice？（）

A.EVDO PCMCIA modem card
B.floppy disk drive add-in card
C.802.11g PCMCIA card
D.56K v.34 PCMCIA modem card

单项选择题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