Created by Germany in the late 20s, the magnetic tape is a recording medium that is very popular for both audio and video. It consists of a very thin strip of plastic magnets and is very popular long before the invention of compact discs for both broadcasting and recording. Search more details about magnetic sheet roll through https://www.rochestermagnet.com/flexible-magnets/flexible-magnetic-sheet.
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There was no room for error as all radio and television carried live to be introduced which gives leeway to the panel since the event can be recorded.
We live in a dynamic world and when change comes, we change with it. This device should be improved by combining the use of a magnetic wire that was found early.
It's also the reason why the popularity of the tape has deteriorated even though they have many uses. It was not until World War II that was unveiled to the world after some repairs done to it.
Very interesting to note that before the system is perfected, it cannot serve both radio and television since television applications require more bandwidth than radio. However, it is used for computer data storage and IBM started to market.
Only after the development of the video cassette recorder that could serve the purpose of television. We owe all of this to Sony among other companies.
Magnetic tape is preferred because of its affordable price per bit but this is changing. This owes to the fact that more improvements have been made in the disk storage capacity and price. Although still used today for backup purposes, it leaves much to be desired because of the inability to use virtual memory.