计算机专业英语~~~翻译!!高手进来帮帮忙

Thecomputerisacceptstheinputaccordingtotheinstruction,theprocessingdata-inandproducestheinformationelectronicinstallation.Fourtypecomputer:Miniaturemachine,smallmachine,large-scalemachineryandgiantairplane.thecomputationfunctionsolvesaseriesofproblems,andmakesseveralhundredevenseveralthousandlogicaljudgementsnottofeelthatwearyandwassick.Itcouldfindtheanswerinthesmallparttimes.Thecomputermayinmonotonous,theroutinemissionaspectreplacethehuman,buttheydonothavetocreatethenaturefar;Itaccordingtogivesitsinstructiontocarryontheworknottocarryonanyvaluablejudgment.Butthecomputermaytheinstantcarryonthemassivearithmetic/logicoperation.theminicomputerisalsocalledthemoldingmachine,islikelythedesksizemachine,theirprocessingspeedanddatastorageabilityissituatedbetweentheminiaturemachineandthegiantairplane.Themediumcompanyandthelarge-scalecompany'sdepartmentusesthemtouseinthespecialusegenerally.Forexample,mayusethemtodotheresearchortomonitorsomeproductionprocess.Thesmallcompanyusesthesmallmachinetocarryonthetotaldataprocessinggenerally,forexamplecounts.

MacintoshSoftwareonlymovesontheMacintoshcomputer,itprovidesthehighgradegraphicaluserinterface,andveryeasytouse,AppleMacintoshsystem7.5aretouseMotorlaCorporation'sPowerPCmicroprocessor'sAPPLEcomputerdesign,regardingtheapplemachineisanimportantmilestone,theylooklikeWindowsNTandOS/2arethefunctionformidableoperatingsystemsequally.System7.5havethenetworkfunction,andcanreadout.WindowsandtheOS/2documentithasseveralmeritthedatacommunicationsystemistransmitsthroughthecommunicationlinesthedatafromaplacetootherplaceelectronicsystem,youmaytheservicedatacommunicationforusethroughyoursmicrocomputerthemessageroutingothermachine'sfriend,youhavethepossibilityinareacompanywork,itscomputersystemproliferatesabuilding,evenisthenationandeventheworld.Thatis,allpart-inputandtheoutputunit,theprocessorandthestoragedevice-inthedifferentplace,arethroughthecommunicationlink.Oryoupossiblyusethelong-distancetransmissionline,thetelephoneline,toapproachlocatedattheexteriordataunitinformation.Thenyoupossiblyuseintheinformationtransmissiontoyourmicrocomputeronworkingandanalyzing.

Thedatacommunicationlinemaybytwokindofconfigurationwayconnection:Point-to-pointandmulti-spotlineconnection.Point-to-pointlinedirectconnectiontransmissionandreceivingapparatus,butmulti-spotlineconnectionmanyequipment,butisnotonlyatransmittingendequipmentandareceivingendequipment.whatthesatellitecommunicationreferstoisusingthetrackcommunicationssatellitetransmissiontheinformationwhichsendsfromagroundstationtootherorthemanygroundstations.Thesatellitecommunicationisthecommunicationdomainresearchresults,itsgoalisthescopewhichandthecapacityobtainsasfaraspossiblebythefewpricesincreasesunceasingly.thedatacanbyasynchronousorthesynchronousmodetransmission.Undertheasynchronoustransfermethod,onetimecanonlytransmitandreceiveonefromthefestival,ismethodwhichtheminiaturemachineusesfrequently.Theasynchronoustransmissionalsofrequentlyusesinthespeedslowlycomingtoanendtheequipment.Itsmeritisatransmittingendconveniencemaytransmitthedata.Theshortcomingistherelativelyslowdatatransmissionrate.Thesynchrousesinonetimetransmittingseveralbytesortheblockdatamassiveinformationtransmissions.Inordertorealizethedatatransfer,thetransmittingendandthereceivingendsub-festivalblockmustappearbytheprecisetime-gap.Therefore,thesystemneedsasynchronizedclock.Itsmeritisthedatamaytransmitveryquickly,theshortcomingistheequipmentwhichneedstosendspendsneeds.