Samsung M6000 Laptop User Manual


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SamsungM6000User’sManual Glossary103
Glossary
ACadapter
TheAC(oralternatingcurrent)adapterregulatescurrentcoming
intoyourcomputerfromthewalloutlet.Thecurrentatthewall
outletisalternatingcurrentandneedstobechangedbytheadapter
toDC(directcurrent)beforeyourcomputercanuseitforpower.
BIOS
BIOSstandsforbasicinput/outputsystem.TheBIOSissoftware
(oftencalledfirmware)thatisindependentofanyoperating
system.Itenablesthecomputertocommunicatewiththescreen,
keyboard,andotherperipheraldeviceswithoutusingprogramson
theharddisk.
TheBIOSonyourcomputerisflashBIOS,whichmeansthatithas
beenrecordedonaflashmemorychipthatcanbeupdatedif
needed.
Boot
Tostartyourcomputer.Acoldbootresetstheentirecomputerand
runsthroughallcomputerself-tests.Awarmbootclearsout
computermemoryonly.
Bootdisk
Adiskcontainingoperatingsystemprogramsrequiredtostart
yourcomputer.Abootdiskcanbeafloppydisk,harddrive,or
compactdisc.
Byte
Thebasicunitofmeasureforcomputermemory.Acharacter—
suchasaletterofthealphabet—usesonebyteofmemory.
Computermemoryisoftenmeasuredinkilobytes(1,024bytes)or
megabytes(1,048,576bytes).
Eachbyteismadeupofeightbits.Formoreinformationonbytes
andbits,seeanintroductorybookoncomputers.
Cachememory
Cacheisveryfast,zero-wait-statememorylocatedbetweenthe
microprocessorandmainmemory.Cachereducestheaverage
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