Means of computing technique. Keyboards. Layout of keys and characters, functions of function keys
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Information processing systems. Founts for optical character recognition. Types basis parameters and dimensions
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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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Systems of data transmission. Circuits and exchange parameters at the interface C3 in parallel input-output of discrete information
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Data transmission system signal conversion modulus for switched and unswitched voice frequency channels. Types and basic parameters
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Printers. General specifications
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Signal-conversion equipment /SCE/ for primary wideband channels. Types and basic parameters
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Graphic input devices for electronic computers
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Peripheral equipment of information processing systems. Terms and definitions
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Data transmission system signal conversion modulus for physical effects. Types and basic parameters
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Data transmissions system signal conversion modulus for telegraph channels. Types and basic parameters
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