The history of ideas "the optical disc as a "unique" carrier of information in the systems management"

In 1977 on the World Electrotechnical Congress in Moscow Ukrainian researcher M.V. Gorshkov and V.V. Petrov in the report "The optical disc as a "unique" carrier of information in the systems management" discussed the basic requirements to "unique" carrier of information for its use in the foreign storage devices of large control systems, computer complexes, systems of collection and processing of information in the presence of large flows of information, computer middle and small productivity, systems of data preparation and for exchange of data between computers with equal and different performance.
So, in the report was considered the cost of storing information, capacity, access time, density recording of information, speed data, overwriting the information and the possibility of using "unique" carrier of information in simple and complex devices, the possibility of replication. They have determined that the cost of storing information on the "unique" carrier of information should be less than the cost of storing information on paper, capacity – not less than capacity of modern carrier of information, access time to the information – not less than 0,1 sec, the average density recording of information should be 2…6*100000 bit/mm2. M.V. Gorshkov and V.V. Petrov emphasized that "unique" carrier of information must take the form of a disk with a diameter of not more than 200 ... 400 mm to ensure minimum access time.
In the report also was defined the value of using "unique" carrier of information in external devices: “this will sharply increase the volume of stored data, coordinate and essentially raise the reliability of accepting and transferring data, simplify the structure of control system”.

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