Computing machines and data transfer equipment. Alphanumerical codes
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Computing machines and data transfer equipment. 7-bit codes for information exchange
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Computers and data processing systems. Punched card 7-byte code representation
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Information units on punch tapes, punch cards and magnetic tapes in control systems
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Modular system of computer aids. Command systems. General technical requirements
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Computing machines. Fonts for optical character recognition. Types. Basic parameters and dimensions
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Information processing systems. Founts for optical character recognition. Types basis parameters and dimensions
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Computing punching electro-mechanical machines. Methods for determining and monitoring reliability indicators
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Computing machines. Fonts for magnetic symbols. Technical requirements
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Data transmission systems. Bit signalling rates and basic parameters of noise-immune cyclic codes
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Data link systems. Chains and parameters of exchange at the C2 junction during sequential input / output of discrete information
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Circuits at the interface C2 of the data transmission equipment with the terminals in the consequent data input-output. Nomenclature and technical requirements
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