Skip to main content

INTERACTIVE TELIVISION.

The  future  of  the  television  is  undoubtedly   digital .Television or video   signals  can  be   converted  from  their   normal  analogue  form  (continuously  varying )   into a  digital   form .Which  consists  of  a  series   of definite   pulses  rather  than  Morse   code  .Digital  signals   can  be transmitted  ,compressed,and  manipulated  by  computers  without  any " noise"affecting  the   data  .One  of  the  advantages    of   digital  technology  is   that   video  data  can  be  manipulated  to  make  interactive  television  possible.Interactive "  video on  demand  "(VOD) service  allow   users  to  watch  the  material  of  their  choice   from  a  large   central  video    vault .A  digital  server     enables   many  users  to  watch  the  same  film.Starting  at  different  times,by  sending  the video   data  in  small  " packets".to  them.Other  service  include  news programmes  ,games,music, and electronic shopping.With   the  latter  the  user  "scrolls" through  a  virtual   shop. and  uses  a  credit card to  buy  items.Which  are  then  delivered   to  the  home  within  days.
CINEMA  BY  COMPUTER.
Disney  productions'  toy story (1995)was  the  world's  first   feature  film   to  be generated  entirely  on   computer.A  team  of 27  animators  worked  on  the  film .producing  an average  of  31/2minutes  of  footage    per  week .Some    of  the  characters  and scenes  were   created   solely  on  computer,where  as  others  were  set up     with  models.
INTERACTIVE  TELEVISION




Comments

Popular posts from this blog

KEY BOARD SHORT CUTS

While   surfing  the Web,  these commands  could  help  you  and  are absolutely worth learning. By making repetitive motions faster, web surfing becomes so easy  and    pleasant! The following shortcuts can  be   work with desktop versions of Chrome, Firefox, and IE. CTRL-T to launch a new browser tab page. Tabbed pages are very useful: they let you open multiple web pages simultaneously without the same memory load as a full browser window.  Simply press CTRL-T to launch a new tab. Related: use CTRL-Page Up and CTRL-Page Down to navigate between the tabs.  CTRL-Enter to type 'www.' and '.com' Once you ...

THE BEATLES -ENGLISH ROCK BAND

The Beatles were an English rock band formed in Liverpool in 1960. The group, whose best-known lineup comprised John Lennon, Paul McCartney, George Harrison and Ringo Starr, are regarded as the most influential band of all time.   The Beatles    were  from    Liverpool, United Kingdom.   In September of 1962 The Beatles recorded their first hit Love Me Do, which charted in UK, and reached the top of the US singles chart. London became their new home since 1963. ... Their October 1963 performance at the London Palladium made them famous in Great Britain and initiated the Beatlemania in the UK.   The most popular Beatle.   Paul McCartney ranked highest, at 35 percent; following by John Lennon (29%), Ringo Starr (11%), and George Harrison (8%). However, there is a gender gap: men favored John, while women preferred Paul.   The Beatles' first record "Love Me Do" was released on October 5, 1962. It was a mode...

Bacteria

  Bacteria   are   the   most   plentiful   living  organism   on  the  Earth.They   are  the  most  smallest    organism ,each  consisting   of  a   simple ,  single  cell.A   few   types  of  bacteria ,called  germs ,cause  diseases    in  humans .But   most  bacteria     are   harmless,  some  are   very  useful.They   used  in  making  drugs   and  foods. Bacteria    reproduce   by  binary   fission(splitting  in  two). Reproduction    by     division   means  that  bacteria  can   multiply  very  quickly,if  the  conditions...