First, the interpretation is different
1, video screen: video screen is a machine or something that can display images in other degrees.
2. Video: Video refers to various technologies that capture, record, process, store, transmit and reproduce a series of still images in the form of electrical signals.
Second, the origin is different
1, video screen: the main technology of video screen originated from 1888, an organic compound with regular molecular arrangement between solid and liquid, which was discovered by Austrian botanist Reinitzer.
2. Video: Video technology first developed from the creation of cathode-ray tube TV system, but the invention of new display technology later made the video technology cover a wider range.
Third, the characteristics are different
1, video screen: video screen is a display tool that displays certain electronic files on the screen through a specific transmission device and then reflects them to human eyes.
2. Video: Video can be recorded and transmitted through different physical media: when the video is shot or transmitted by radio, it is an electrical signal, while when it is recorded on magnetic tape, it is a magnetic signal; The video quality actually changes with the way of shooting and capturing and the way of storage.