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DO-178C. DO-178C, Software Considerations in Airborne Systems and Equipment Certification is the primary document by which the certification authorities such as FAA, EASA and Transport Canada approve all commercial software-based aerospace systems. The document is published by RTCA, Incorporated, in a joint effort with EUROC and replaces DO-178B.
On March 1, 1973, DDP became the Directorate of Operations and the director became known as the Deputy Director for Operations (DDO). The Directorate also housed special groups for conducting counter-narcotics and counter-terrorism, for tracking nuclear proliferation, and other tasks. Approval of clandestine and covert operations
Momentum accounting and triple-entry bookkeeping. Momentum accounting and triple-entry bookkeeping is an alternative accountancy system developed by Japanese academic Yuji Ijiri and is the title of his 1989 monograph. [1] It is a proposed alternative to double-entry bookkeeping, the method favored by the worldwide financial accounting system.
Optimistic concurrency control ( OCC ), also known as optimistic locking, is a non-locking concurrency control method applied to transactional systems such as relational database management systems and software transactional memory. OCC assumes that multiple transactions can frequently complete without interfering with each other.
DO-178B, Software Considerations in Airborne Systems and Equipment Certification is a guideline dealing with the safety of safety-critical software used in certain airborne systems. It was jointly developed by the safety-critical working group RTCA SC-167 of the Radio Technical Commission for Aeronautics (RTCA) and WG-12 of the European ...
Order to cash (OTC or O2C) normally refers to one of the top-level (context level) business processes for receiving and processing customer orders and revenue recognition. . Order to cash is an essential function in finance; the entire cycle of events happens after a customer places an order until the customer pays for the order; that is, the order is converted to c
The Electronic Key Management System ( EKMS) is a United States National Security Agency led program responsible for Communications Security ( COMSEC) key management, accounting, and distribution. Specifically, EKMS generates and distributes electronic key material for all NSA encryption systems whose keys are loaded using standard fill devices ...
Management information system. A management information system (MIS) is an information system [1] used for decision-making, and for the coordination, control, analysis, and visualization of information in an organization. The study of the management information systems involves people, processes and technology in an organizational context.