Explain the merits and demerits of television program?

Cable is the very useful thing . Help with cable we gain al type knowledge .Children enjoy Cartoons, movies , songs etc . cable give us many useful chanels like discovery , Znews , star plus etc. Watch some chanels we gain some knowledge about science and enjoy our free time . DEMERITS OF CABLE T.V. Children loss their eyesight , waste his time , loss his studies . Children watch all time cartoons they dosen't concentrate this studies

Thanks, if u undersatnd my views