Certainly sound and picture is also a data for the computer. Everything is represented in terms of 0 and 1. Hence picture and sound are also saved in 0 and 1 in some format as a file.
Example of sound files are .mp3 , .wmv
Example of pictures files are .tiff, .jpeg , .bmp
Yes. Data can be any form of information.
Data
Data
Data
There is no real reason. In the UK's old analogue system AM was used for picture and FM used for sound. In France they used the opposite system, FM for picture and AM for sound. Everything is going digital now, so does not apply, the RF signal is a FSK data signal.
hitachi tv has sound no picture
Picture is AM, sound is AM or FM
The first movie with picture and sound was "The Jazz Singer".
picture graph
A camera typically makes a clicking sound when taking a picture.
Data
the difference between an audio and a video cassete is that an audio casssete is designed as such to store only sound track while a video cassete store sound as well as visual data e.g movies and video songs etc