Magnetic tape
Magnetic core
Magnetic disk
Optical mark reader E. None of the above
Answer is Right!
Answer is Wrong!
The correct answer is B. Magnetic core.
A magnetic core is a small ring of magnetic material, typically ferrite, used in magnetic core memory. Magnetic core memory was the most common type of computer memory from the 1950s to the 1970s. It was replaced by semiconductor memory, which is much faster and more dense.
Magnetic tape is a long, thin strip of plastic coated with a magnetic material. It is used for storing data, such as computer programs and files. Magnetic tape is a sequential access storage device, which means that data can
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