Cloud storage is a model of computer of computer datastorage in which the digital  data is stored in logical pools.The physical storage spansmultiple servers (sometimesin multiple locations)，and the physical environment istypically owned and managed bya hosting company.As for the cloud concept，the cloud storage service is one kind of ( ).

[单选题]In a computer，which of the following is the longest period? (66) .(66) A．Beat periodB．Machine periodC．Instruction periodD．CPU period

[单选题]In a computer, which of the following is the longest period？A．Beat periodB．Machine periodC．Instruction periodD．CPU period

[单选题]Which is not a computer language? (71)(71) A. officeB． JavaC． C++D． C#

[单选题]In computer science ,a data (72) is a way of storing data in acomputer so that it can be used efficiently.(72)A.recordB．fileC．structureD．pool

[单选题]You __________ all those calculations! We have a computer to do that sort o

[单选题]A． ______ computer is a personal computer whose hardware is capable of using any or all of the following media in a program, text, graphics, video and animation.A．databaseB．multimediaC．networkD．mainframes

[单选题]infected computer may lose its data.A．fileB．data baseC．virusD．program

[单选题]A computer virus is a computer program that is created to make and spread (72) of itself.(72) A．programsB．virusC．copiesD．files

[单选题]Voice-( )technology converts human speech into a digital code that a comput

[单选题]A．(66)computer is a personal computer whose hardware is capable of using any or all 0f the following media in a program：audio，text，graphics，video and animation．A．databaseB．multimediaC．networkD．mainframes