Samsung M6000 Laptop User Manual


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SamsungM6000User’sManual Glossary107
POST
POSTstandsforpower-onself-test.POSTisatestperformedby
thecomputerwheneveryouturnonthepower.POSTchecks
systemintegrity.
RAM(randomaccessmemory)
Thecomputer'ssystemmemory,includingconventionaland
extendedmemory.YoucanwritetoandreadfromRAM.
InformationstoredinRAMistemporary,andiserasedwhenthe
systemisturnedoff.
Refreshrate
TherefreshrateistherateatwhichtheimageontheLCDscreen
isrewrittentothescreen.Afastrefreshratehelpskeeptheimage
fromflickering.
Resolution
Theresolutionisthesharpnessorclarityoftheimageonyour
LCDscreen.Resolutionismeasuredbythenumberofpixelsthe
computer’sscreencandisplay.Forexample,aresolutionof
800x600meansthatthescreencandisplay800pixelsinrowand
candisplay600rows.Themorepixelsdisplayed,thehigherthe
resolutionandthebettertheimage.
ROM(read-onlymemory)
Permanentcomputermemorydedicatedtoaparticularfunction.
Forexample,theinstructionsforstartingthecomputerwhenyou
firstturnonpowerarecontainedinROM.Youcannotwriteto
ROM.(ROMisnotthesameasRAM).
Sector
Alsoknownasdisksector.Theportionofatrackthatisnumbered
andcanholdaspecifiednumberofcharacters(usually512KB).
ShadowRAM
Awrite-protectedareaofRAMthatcontainsacopyoftheBIOS.
Asthecomputerboots,theBIOSiscopiedfromitspermanent
locationinROMtoRAM.TheBIOScanbeexecutedmuchfaster
inRAMthaninROM.TheBIOSremainsinshadowRAMuntil
youturnoffthecomputer.
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