The answer is neither simple nor easy. Multimedia is the combination of computer and video technology. Multimedia really just two media sound and pictures, or in today's term, audio and video. Multimedia itself has its binary aspects. As with all modern technologies, it is made from a mix of hardware and software, machine and ideas. More importantly, you can conceptually divide technology and function of multimedia into control systems and information. The enabling force behind multimedia is digital technology. Multimedia represents the convergence of digital control and digital media---the PC as the digital control system and the digital media being today's most advanced form of audio and video storage and transmission. In fact, some people see multimedia simply as the marriage of PCs and video. PC power has reached a level close to that needed for procession television and sound data streams in real time, multimedia was born. Multimedia PC needs to be more powerful than mainstream computer---at least the multimedia PC defines the mainstream. Among contemporary PCs, about the only things that separate an ordinary computer from multimedia are a soundboard and a CD- ROM driver. The CD serves as multimedia 's chief storage and exchange medium. Without the convenient CD, the PC industry would lack a means of distributing the hundreds of megabytes of audio, visual, and textual data that make up today's multimedia titles. Without CD, you couldn't buy multimedia because publishers have no way of getting it to you.
So what is multimedia? By now you should agree that multimedia isn't any one thing but a complex entity that involves the many things: hardware, software, and the interface where they meet. But we've forgotten the most important thing that multimedia involves: you. Yeah, sure. With multimedia, you don' t have to be a passive recipient. You can control. You can interact. You can make it do what you want it to do. It means you can tailor a multimedia presentation to your own needs. You can cut through the chaff and dig directly into the important data in a report, pull together reports and video clips from around the world that interest you. That's the strength of multimedia and what distinguishes it from traditional media like books and television.
What does multimedia do? It presents information, shares ideas and elicits emotions. It enables you to see, hear, and understand the thoughts of others. In other words, it is a form of communication.
要回答这个问题不那么容易。多媒体是计算机和视频技术的结合，实际上它是两个媒体；声音和图像，或者用现在的术语：音响和电视。多媒体本身有两个方面，和所有现代技术一样它是由硬件和软件，或机器和思想混合组成。可以将多媒体技术和功能在概念上区分为控制系统和信息。 多媒体之所以能够实现是依靠数字技术。多媒体代表数字控制和数字媒体的汇合，电脑是数字控制系统，而数字媒体是当今音频和视频最先进的存储和传播形式。事实上有人就简单地认为多媒体是电脑和电视的结合。电脑的能力达到实时处理电视和声音数据流的水平，这时多媒体就诞生了。多媒体电脑需要具有比主流电脑更强的能力，多媒体电脑决定了主流电脑的发展。区别普通电脑和多媒体电脑的主要东西是声卡和只读光盘驱动器。光盘是多媒体的主要存储和交换媒体。没有这种方便的光盘，电脑工业就无法销售构成多媒体节目的几百兆字节的音频、可视的和文字的数据，你也无法买到多媒体。 现在可以回答什么是多媒体。它不只是一件东西，而是包括许多东西的复杂的组合：硬件、软件和这两者相遇时的界面。不，我们还忘了一件最重要的事情．多媒体还包括你。咳，就是！对于多媒体，你不再是一个被动的观众，你可以控制，可以交互作用，可以让它按你的需要去做。在一个报告中，你可以不管那些无用的东西而直接进入重要的数据，可以将感兴趣的全世界的报告和图片收集汇编到一起。这就是多媒体的力量和它与传统媒体（如书本和电视）的区别所在。
多媒体能做什么？它展示信息、交流思想和抒发情感。它让你看到、听到和理解其他人的思想。也就是说，它是一种通讯的方式。
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