Air transport. System of aircraft maintenance and repair. Information analysis system for aircraft airworthiness monitoring. The 'Operator' user module. General requirements to the composition and functional purpose of software complexes. Requirements to the quality of the information. The requirements to the content and format of the data
System of standards on information, librarianship and publishing. Current national bibliographical indices. General requirements and publishing presentation
Crossbar-type telegraph switching stations (substations). Signals and procedures of interaction between stations (substations) during the setting up of connections at the telex (AT-50), data transmission (PD-200) and gentex networks