A standard television set is composed of multiple internal electronic circuits, including a tuner for receiving and decoding broadcast signals.A visual display device which lacks a tuner is correctly called a video monitor rather than a television.
Frederick Bakewell demonstrated a working laboratory version in 1851.
Willoughby Smith discovered the photoconductivity of the element selenium in 1873.
As a 23-year-old German university student, Paul Julius Gottlieb Nipkow proposed and patented the Nipkow disk in 1884.
This was a spinning disk with a spiral pattern of holes in it, so each hole scanned a line of the image.
For many reasons, the storage of television and video programming now occurs on the cloud.