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During 1950 Magnetic Drum Memory was being used, This stored information outside of a rotating cylinder, This had a max capacity of 10 kB.
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This tape drive was released in 1951, When this was released it has the moving power of 100 inches per second, This means it would work out to have a 12,800 Characters per second processing speed, Another feature about this is that it can support both reading and writing in both backwards and forwards directions.
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This magnetic tape allows for inexpensive mass storage at the time, This was a part of the computer revolution, When IMB brought out a high-speed magnetic tape system for computers, it was announced on May 21st 1952, This system used a unique 'Vacuum Channel' method which keeps a loop of the tape.
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In 1953 MIT's Whirlwind becomes the first computer to use a magnetic core memory, The core is made up of tiny dounuts made of magnetic material strung on wires into a grid.
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During the era of the magnetic disk storage dawns IBM has released a computer based on this new technology of the hard drive. The RAMAC disk drive consisted of 50 magnetically coated metal platters capable of storage about 5million characters of data.
