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Instruments and Systems: Monitoring, Control, and Diagnostics Annotation << Back
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Detection and Correction of Errors in Information Processing Devices |
A.A. PAVLOV, A.N. TSARKOV, YU.A. ROMANENKO, I.I. KORNEEV, A.YU. ROMANENKO, M.I. MAKEEV, F.A. PAVLOV
The expediency of using algebraic linear codes for detecting and correcting errors in specialized computers is substantiated, which allows, in relation to the majority method and the duplication method, to signifi cantly reduce hardware costs and use 10–30 % of reserve equipment for these purposes. The possibility of using corrective codes to correct processor errors during information processing has been established. An example of using a Hamming code to correct processor errors during an addition operation is considered. It is shown that the existing algebraic codes cannot be used to control the arithmetic operations of subtraction and division, since they do not allow controlling the logical inversion operation necessary to represent a negative number in an additional code.
An algorithm for constructing a code has been developed that makes it possible to control the logical operation of negation and, consequently, the representation of a negative number in an additional code. The parameters of the developed code are determined. An example of using the proposed code to control the arithmetic operation of subtraction is considered.
Keywords: algebraic linear code, additional code, inversion operation, subtraction operation.
DOI: 10.25791/pribor.2.2023.1390
Pp. 52-57. |
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