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  2. Self-replication - Wikipedia

    en.wikipedia.org/wiki/Self-replication

    Self-replication is a fundamental feature of life. It was proposed that self-replication emerged in the evolution of life when a molecule similar to a double-stranded polynucleotide (possibly like RNA) dissociated into single-stranded polynucleotides and each of these acted as a template for synthesis of a complementary strand producing two double stranded copies. [4]

  3. Cylindrical coordinate system - Wikipedia

    en.wikipedia.org/wiki/Cylindrical_coordinate_system

    A cylindrical coordinate system is a three-dimensional coordinate system that specifies point positions by the distance from a chosen reference axis (axis L in the image opposite), the direction from the axis relative to a chosen reference direction (axis A), and the distance from a chosen reference plane perpendicular to the axis (plane ...

  4. System software - Wikipedia

    en.wikipedia.org/wiki/System_software

    A kernel is the core part of the operating system that defines an application programming interface for applications programs (including some system software) and an interface to device drivers. Device drivers and firmware , including computer BIOS or UEFI , provide basic functionality to operate and control the hardware connected to or built ...

  5. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    The operating system code and application code are not executed in separated protection domains (there is only a single application running, at least conceptually, so there is no need to prevent interference between applications) and OS services are accessed via simple library calls (potentially inlining them based on compiler thresholds ...

  6. 2S42 Lotos - Wikipedia

    en.wikipedia.org/wiki/2S42_Lotos

    2S42 "Lotos" (Russian: 2С42 «Лотос»; "Lotos") is a developing Russian self-propelled 120 mm mortar system meant for the Russian Airborne Forces. It is based on the BMD-4M chassis and is intended to replace the 2S9 Nona self-propelled mortar.

  7. Kenya Vision 2030 - Wikipedia

    en.wikipedia.org/wiki/Kenya_Vision_2030

    A result-oriented system is stable, predictable and whose performance is based on measurable outcomes. An accountable system is one that is open and transparent and one that permits the free flow of information. This vision is expected to guarantee Kenya's attainment of the specific goals outlined under Vision 2030's economic and social pillars.

  8. Learning management system - Wikipedia

    en.wikipedia.org/wiki/Learning_management_system

    A learning management system (LMS) or virtual learning environment (VLE) is a software application for the administration, documentation, tracking, reporting, automation, and delivery of educational courses, training programs, materials or learning and development programs. [1]

  9. Expert system - Wikipedia

    en.wikipedia.org/wiki/Expert_system

    With an expert system shell it was possible to enter a few rules and have a prototype developed in days rather than the months or year typically associated with complex IT projects. A claim for expert system shells that was often made was that they removed the need for trained programmers and that experts could develop systems themselves.