英语翻译
1、Memoryunitsmaybecharacterizedbytheiraccessandcycletimes;memoryaccesstimemaybedefinedasthelengthoftimerequiredtoreadawordfrommemory,andmemorycycletimemaybedefinedastheminimumintervaloftimerequiredbetweensuccessivememoryoperations.
2、Packagedsoftwarereferstoprogramsprewrittenbyprofessionalprogrammersthataretypicallyofferedforsaleonadiskette.Thereareover12000differenttypesofapplicationpackagesavailableformicrocomputersalone.
3、Multimediaisthepresentationofinformationusingthecombinationoftext,sound,pictures,animation,andvideo.Commonmultimediacomputerapplicationsincludegame,learningsoftware,andreferencematerials.Mostmultimediaapplicationsincludepredefinedassociations,knownashyperlinks,thatenableusertoswitchbetweenmediaelementsandtopics.、
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