Computer Plug-in

Life on theInternet can be enriched if you don't restrict yourself to just written wordsand still pictures.Even if you are a newcomer to the Internet world,you'veprobably

heard aboutmulti-media on-line一listeningto radio,watching animations and videos,even playing in three-dimensionalspace.Sound and movement make information come

alive.

2.In order toexperience that,some special pieces of software called plug-ins are necessary.The term"plug-in"refers to a small,add-on piece of software whichextends the

capabilities of yourweb browser,like Netscape Navigator or Microsoft Explorer,turning your computerinto a radio or TV.

3.When you open aweb page with a file requiring a plug-in which you don't have.you will usuallyreceive a message asking if you want to get it by downloading it and

installing it intoyour computer. Most of the time,the installation will be automatic.

4.Occasionally,youcome across a downloaded file which needs to be decompressed or unzipped beforeinstallation.Once installed,plug-ins run automatically,without you

having to doanything.

5.Many multimediacontrols still need to be obtained from the developer but are installedautomatically.

6.Shockwave is atypical example of it. All you need to do is go to the Macromedia site and clickon the link to install the ActiveX control.The rest happens automatically.The

next time you go toa"Shocked"website,the Shockwave control loads and plays the movie.

7.Most plug-ins andcontrols can be downloaded for free on the Internet,although not all will workwith every system.Some of them,for instance,only work with Windows 95.Onceinstalled,plug-ins run_______,without you having to do anything.

A.for free.

B.freely.

C.ability.

D.automatically.

E.Obtained.