MIDI enables people to use( )computers a

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问题 MIDI enables people to use( )computers and electronic musical instruments.There are actually three components to MIDI,the communications"(请作答此空)",the Hardware interface and a distribution( )called"Standard MIDI Files".In the context of the WWW,the most interesting component is the( )Format.In principle,MIDI files contain sequences of MIDI Protocol messages:However,when MIDI Protocol( )are stored in MIDI files,the events are also time-stamped for playback in the proper sequence.Music delivered by MIDI files is the most common use of MIDI today.A.deviceB.protocolC.networkD.controller

选项 A.device
B.protocol
C.network
D.controller

答案 B

解析 MIDI使得人们能够使用多媒体计算机和电子乐器。实际上MIDI有3种元素:通信协议、硬件接口和被称为标准MIDI文件的发布格式。在WWW环境中,最重要的元素是音频格式。在原理上,MIDI文件包含了MIDI协议报文序列。然而当MIDI协议报文被存储在MIDI文件中时,事件都被加上了时间戳,以便于按照适当的顺序回放。由MIDI文件提供的音乐是MIDI当前最通常的应用。
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