Unit 6 Multimedia
Text 1 What is Multimedia?
Exercises
Fill in the blanks with appropriate words according to the text.
Multimedia is the combination of _computer and _video technology.
In fact,Multimedia is just two media,_sound_ and _picture.
Multimedia PC needs to be more powerful than mainstream computer.
If you want separate an ordinary computer from multimedia,the only things are a soundboard and a CDROM driver.
The CD serves as multimedia 's chief storage and exchange medium.
Multimedia involves the many things,hardware,software,and the interface.
With multimedia you can control,interact and make it do what you want to do.
Multimedia presents information,shares ideas and educes emotions.
Decide whether the following statements are True or False.
Multimedia is either simple or easy,(× )
Multimedia is the combination of computer and radio technology,(× )
Multimedia is made from a mix of hardware and software,machine and ideas,(√)
Multimedia PC needs to be more faithful than mainstream computer,(× )
If you want separate an ordinary computer from multimedia,the only things are a soundboard and a CD- ROM driver,(√ )
Multimedia isn't any one thing,but it is a complex entity,(√ )
You can tailor a multimedia presentation to your own needs,(× )
Translate and analyze the following sentences.
In fact,Multimedia is just two media,sound and pictures.
句子组成:__in fact介词短语,表示事实上翻译:__实际上它只是两个媒体:声音和图像。
The CD serves as multimedia 's chief storage and exchange medium.
句子组成,as multimedia 's chief作方式状语,可放到句后。storage与exchange作并列谓语。
翻译:__光盘是多媒体的主要存储和交换媒体。
It means you can tailor a multimedia presentation to your own needs.
句子组成:_it作形式主语,表示multimedia
翻译:__这就意味着你可以让它按你的需要去做。
It enables you to see,hear,and understand the thoughts of others.
句子组成:__see,hear,understand为并列谓语翻译:__它让你看到、听到和理解其他人的思想。
You don' t have to be a passive recipient with multimedia.
句子组成:_ with multimedia作方式状语。
翻译:_对于多媒体,你不再是一个被动的观众。
Text 2 Uses for Multimedia
Exercises
Fill in the blanks.
Many companies are turning to multimedia applications to _train their employees.
By using a multimedia application,the company found it has saved expenses and trained employees more effectively.
The essence of multimedia is to make computers more interesting.
Multimedia provides effective ways to organize information and search for facts.
In many companies,presenting information to business professionals is a required form of communication,
Multimedia has many uses,and the only limitation is _______.
Applications are(is) already available for creating great-looking presentations.
Now we advocated one thing that use multimedia to expand the uses of computers.
Decide whether the following statements are True or False.
Many companies are turning to multimedia applications to train their employers,(√ )
By using a multimedia application,the company found it has saved expenses and trained employees more effectively,(√ )
The essence of multimedia is to make computers more interesting,but it doesn’t help the learning process,(× )
In many cases,today’s best games use the graphics technology,(√ )
In fact,writing entertainment applications (that is,games) can not be a lot of fun,(× )
Multimedia provides effective ways to organize information and search for facts quickly and efficiently,(√ )
Applications are already available for creating great-looking presentations,and through multimedia these applications will become even better and more effective,(√ )
This is the age of information,We often find anything with so much information,(× )
Translate and analyze the following sentences.
The thing is that use multimedia to expand the uses of computers.
句子组成:the thing is that+从句,属于定语从句的一种格式_
翻译:___这件事就是用多媒体来扩大计算机的使用范围。
The essence of multimedia is to make computers more interesting.
句子组成:the essence of multimedia整体作为主语;to+动词短语作表语翻译:_多媒体的本质是使计算机变得更有意思。
In many cases,today’s best games use the graphics technology.
句子组成:__in many cases表示在许多情况下翻译:_在许多情况下,当今最好的游戏软件使用图形技术。
In many companies,presenting information to business professionals is a required form of communication.
句子组成:_ presenting information to business professionals是动名词短语做主语。
翻译:__在许多公司中,向商业人员演示信息是一种必需的通信形式。
Multimedia has many uses,and the only limitation is your imagination.
句子组成:_the only limitation为第二句中的主语翻译:_显然多媒体有许多用途,惟一的局限是你的想像力。
Reading comprehension.
Since World War II,computer scientists have tried to develop techniques that would allow computers to act more like humans,The entire research effort,including decision-making systems,robotic devices,and various approaches to computer speech,is usually called artificial intelligence (AI),Most AI efforts remain in the research labs,A collection of AI techniques that enables computers to assist people in analyzing problems and making decisions,called knowledge-based expert systems,however,has recently proved its value,and numerous commercial applications are now underway,Expert systems are being developed to assist manages with complex hardware,and aid mechanics in troubleshooting locomotive problems.
As recently as 1980,expert systems research was still confined to a few university research laboratories,Today,the United States,Japan,England,and the European Economic Community are all in the process of launching major research programs to develop and implement expert systems in the near future,Many Fortune 500 corporations are assembling AI departments,venture capitalists are rushing to invest in entrepreneurial expert system companies,and expert systems technology is well on its way to commercial success.
Answer the following questions according to the article above.
What does the passage mainly discuss?
__AI’s development
According to the passage,we know that AI is _artificial intelligence
What does the,knowledge-based expert systems” mean?
_AI techniques enable computers to assist people in analyzing problems and making decisions
Is expert systems research still confined to a university research laboratories?
__No
Text 3 Digital Video
Exercises
Fill in the blanks.
A major goal of the MPEG-2_ standard is to define the format of the video data.
_Video applications deal with so called color spaces in order to define images.
There are two major color spaces types used in digital video,RGB_ and YUV/YCrCb _.
RGB_ is commonly used in computer environments.
YUV/YCrCb is related more to the television world.
In the RGB color spaces,each pixel on the screen has a corresponding RGB value.
The RGB value is composed of _three components.
YUV separates color information differently than _RGB_.
A black and white display only uses the luminance component of the signal.
The color display will use both luminance and chrominance information.
Decide whether the following statements are True or False.
A major goal of the MPEG-2 video standard is to define the format of the video data to be transmitted,(√ )
The video compression technique,used in MPEG-1 works with YUV color space,(× )
The color display will use both luminance and chrominance information,(√ )
YUV separates color information like as RGB,(× )
YUV breaks the color down to red,green,and blue components,(× )
The Y component is basically black and white information,(√ )
In the RGB color spaces,each pixel on the screen has a corresponding RGB value,(√ )
The RGB value is composed of two components,(× )
Translate and analyze the following sentences.
If the compression techniques are used in MPEG-2,then they are to a large extent based on the some knowledge.
句子组成:_由if…… then……引导的条件句翻译:_用于MPEG-2中的压缩技术在很大程度上是以目前一些知识为基础的。
But how are the images described and structured in digital equipment?
句子组成:_将but放在句子的开头是为了强调转折的语气翻译:_但在数字化设备中图像是如何被描述的?
RGB is commonly used in computer environments,while YUV/YCrCb is related more to the television world.
句子组成:_由while引导的第二个分句表示意思的转折翻译:__ RGB常用于计算机环境,而YUV/YCrCb则更多与电视领域有关。
In the RGB color spaces,each pixel on the screen has a corresponding RGB value.
句子组成:_由in引导的短语放在句首是为了强调地点,on the screen修饰each pixel
翻译:_在RGB色彩空间中,屏幕上的每一个像素对应一个RGB值。
The video compression technique,used in MPEG-1 and MPEG-2 works with YUV color space.
句子组成:_在后面的句子中省略了句子的主语(指前面的分句the video compression technique)
翻译:使用在MPEG-1、MPEG-2中的视频压缩技术就运用了YUV色彩空间。