Which of the following memory medium is not used as main memory system?
Magnetic tape memory medium is not used as main memory system.
Magnetic tape is a medium for magnetic recording, made of a thin, magnetizable coating on a long, narrow strip of plastic film. ... A device that stores computer data on magnetic tape is known as a tape drive.
Magnetic tape is a long and narrow strip of plastic that thin magnetic material is coated on. Nearly all recording tape is of this type, whether used for recording audio or video or computer data storage. Magnetic tape recording uses magnetic tape which moves on a recording head.
Magnetic tape data storage is a system for storing digital information on magnetic tape using digital recording. Modern magnetic tape is most commonly packaged in cartridges and cassettes. The device that performs writing or reading of data is a tape drive.