Samsung Q45c Laptop User Manual


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Glossary
TheGlossaryliststheterminologiesusedinthisUserGuide.
Forterminologiesotherthanthese,lookinWindowsHelp.
Backup
Awaytosavethecurrentdatatorestoreitlaterif
necessary.Abackupisawaytorestorecomputerdata
when the data or computer is damaged.
Client
This refers to a computer that uses a shared network
resourceprovidedbyaserver.
DDR SDRAM(DoubleDataRateSynchronousDynamic
RandomAccessMemory)
DRAMisamemorytypewhosecellsconsistofa
capacitorandtransistormanufacturedatalowprice.
SDRAMisamemorytypewhoseperformancehas
beenimprovedbysynchronizingtheclockwiththe
externalCPUclock.DDRSDRAMisamemorytype
whoseperformancehasbeenimprovedbydoubling
theoperatingspeedoftheSDRAMandiswidelyused
nowadays.ThiscomputerusesDDRSDRAM.
Device Manager
Anadministrativetoolusedtomanagecomputer
devices. You can add or remove hardware or update a
devicedriverusingtheDeviceManager.
Direct X
AnapplicationinterfacedevelopedtoenableWindows
applicationprogramstoaccesshardwaredevices
ataveryhighspeed.Sincetheoperatingspeedof
graphics,memoryandsoundcardsmustbeveryfast
toprovidehighqualityvideoandsoundforgames,
DirectXenablesfastercontrolandinteractionbetween
applicationsandhardwaredevices.ByusingDirect
X,themultimediaperformanceofWindowshasbeen
hugelyimproved.
Driver
Softwarethatinteractsbetweenthehardwareand
theoperatingsystem.Anoperatingsystemknowsthe
hardwareinformationandcontrolsthehardware.In
general,adriverissuppliedwiththecorresponding
hardware device.
DVD (DigitalVersatileDisk)
DVDwasdevelopedtoreplaceCD(compactdisk).
Althoughtheshapeandsizeofthediscarethesame
asthatofaCD,thecapacityofaDVDisatleast4.7GB
whilethecapacityofaCDis600MB.DVDvideois
digitalunlikeVHS(analog)videoandsupportsMPEG2
compressionanddigitalaudio.ToplayaDVD,aDVD
drive is required.
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