User Manual (Vista)

205
Firewall
Asecuritysystemusedtoprotectaninternalnetworkor
intranetfromexternalnetworks
throughanauthenticationprocedure.
Hibernation Mode
A
powermodethatsavesalldatainmemorytothe
harddiskandturnstheCPUandharddiskoff.When
cancelingHibernationMode,allapplicationprograms
thatwererunningarerestoredtotheirlaststate.
Icon
This
referstoasmallimagethatrepresentsalethat
userscanuse.
LAN
(LocalAreaNetwork)
Acommunicationsnetworkconnectingcomputers,
printersandotherdeviceswithinalocalareasuchas
withinabuilding.ALANenablesallconnecteddevices
tointeractwithotherdevicesonthenetwork.The
currentLANusestheEthernetmediaaccesscontrol
methoddevelopedintheearly1980s.Toconnecttoan
Ethernet,anetworkcardcalledaLANcard,Ethernet
cardornetworkinterfacecardisrequired.Toexchange
databetweencomputers,aprotocolisrequiredbesides
thehardwareequipment.WindowsVistausesTCP/IP
asthedefaultprotocol.
LCD
(LiquidCrystalDisplay)
TherearePassiveMatrixandActiveMatrixLCDtypes.
ThiscomputerusestheActiveMatrixtypeLCDcalleda
TFTLCD.SinceanLCDisimplementedbytransistors
insteadofacathode-raytubeunlikeaCRT,itssizecan
beslim.Andbecauseitdoesnotblink,itreduceseye
strain.
Network
A
groupofcomputersanddevices,suchasprinters
andscanners,connectedbyacommunicationslink.
Anetworkcanbeeithersmallorlargeandcanbe
connectedpermanentlythroughcablesortemporarily
throughtelephonelinesorwirelesslinks.Thebiggest
networkistheInternet,aworldwidenetwork.
Notication Area
This
referstotherightareaoftheTaskbarincluding
programiconssuchasthevolumecontrol,thepower
optionsandthetime.
Power Schemes
This
referstoapre-determinedpowermanagement
optiongroup.Forexample,youcansetthetimethe
computerwaitsbeforeenteringStandbyMode,or
beforethemonitororharddriveturnsoff.Thesettings
aresavedasapowerscheme.