A device that only holds information is a recording medium.
It is the first digital recording medium for the home.
Effectively it is the noise floor of the recording medium.
This involved not only the building of a better machine, but finding a substance to replace the foil as the recording medium.
Some of the light scattered (reflected) from the scene then falls onto the recording medium.
Several different materials can be used as the recording medium.
Although damaged in the crash, the recording medium was able to be read.
These plates were the primary recording medium for astronomy data from the late 19th century until the 1980s.
Hard drives are best when processing the data, but they're not a good recording medium.
Paper was also the ideal recording medium for a logocentric culture.