35mm Vs 70mm Screen...!!

You regularly Hear 35mm And 70mm Screen...Have you ever noticed what does it mean...????
There are a lot of film formats created for showing video....35mm or 70mm denotes the projection gauge or width of the release print film...!!
# A number of film formats produce release prints of the width 35mm and 70mm.
# The major difference in film formats is the aspect ratio of the rendered picture.
# The aspect ratio of the video shown in television is usually 4:3 while that shown in a movie theater is 16:9.
# The quality of the picture seems to be good in the latter aspect ratio.