Television is an important tecnology of communication and has been discovered for many Television brings important historical events， both positive and negative， directly into our People don’t just read about current events， they experience them in real Television creates such a spell on children and in some cases it also effects the elders that they actually lose their own opinion they feel whatever is being shown on television is correct and should be practised as It has some negative points as It is spoiling the new generation by the help of vulgar We should keep children away from bad Nowadays media is ameliorating on a fast We are unable to discriminate between good and bad but we may discriminate if we go for selective channels on It is easy to avoid disadvantages of television by highlighting its plus points but it is up to us that how we kill the bad effects of television upon
Master antenna television from birth to Cable TV to cable television fiber-optic cable now， and this process is the rapid unexpected However， with the price of fiber is getting higher and higher， a new round of technological innovation has come --- let digital cable communications become a "0" and "1" stage， through these two symbols， one can put combination of different signal sent to every With the computer technology and network technology development， information technology， a revolutionary Make it out of time， space and technology constraints， implementation among multiple objects communicate Computer and network television in the broadcasting system has been widely applied， subtitles machine， animation， non-linear editing， press ads， pre-material， special effects， dubbing until the final broadcast， and both are dependent on computer and network technology， if we can a timely manner to promote the construction of cable networks， making it one whole， not only to improve program quality and reduce the process， saving manpower， reducing And after a mega-cluster implementation will bring more benefits to cable TV to open new world of new business Can be predicted that interactive television， digital television， Internet， cable television will be an important area for future Digital implementation are automation， intelligent networks， basic cable television distribution， cable television network will be the inevitable trend of And finally to the formation of digital cable TV， telephone， computer integrated triple-play services digital Any cable television system can be regarded as a signal source， the preceding paragraph， transmission systems， end-user distribution network of four functional Generally speaking， the different systems on the specific components vary， depending on the size of the system， program the number of cycle of songs， functional application of other
