Samsung X22 - Page 192

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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XP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.