Samsung R20plus Laptop User Manual


 
181
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.