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  2. Software evolution - Wikipedia

    en.wikipedia.org/wiki/Software_evolution

    Software evolution is the continual development of a piece of software after its initial release to address changing stakeholder and/or market requirements. Software evolution is important because organizations invest large amounts of money in their software and are completely dependent on this software. Software evolution helps software adapt ...

  3. Lehman's laws of software evolution - Wikipedia

    en.wikipedia.org/wiki/Lehman's_laws_of_software...

    Furthermore, the "Feedback System" law [4] reinforces the idea that software evolution is a feedback-driven process, with multiple loops and agents involved. This resonates with the emphasis on collaboration and feedback within DevOps practices, ensuring that software is developed, tested, and deployed with a focus on continuous improvement .

  4. Timeline of operating systems - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_operating_systems

    DYSEAC - an early machine capable of distributing computing. 1955. General Motors Operating System made for IBM 701 [ 2] MIT 's Tape Director operating system made for UNIVAC 1103 [ 3][ 4] 1956. GM-NAA I/O for IBM 704, based on General Motors Operating System. 1957.

  5. Evolution - Wikipedia

    en.wikipedia.org/wiki/Evolution

    Evolution is the change in the heritable characteristics of biological populations over successive generations. [1] [2] It occurs when evolutionary processes such as natural selection and genetic drift act on genetic variation, resulting in certain characteristics becoming more or less common within a population over successive generations. [3]

  6. Formation and evolution of the Solar System - Wikipedia

    en.wikipedia.org/wiki/Formation_and_evolution_of...

    Contents. Formation and evolution of the Solar System. There is evidence that the formation of the Solar System began about 4.6 billion years ago with the gravitational collapse of a small part of a giant molecular cloud. [ 1 ] Most of the collapsing mass collected in the center, forming the Sun, while the rest flattened into a protoplanetary ...

  7. Laws of technical systems evolution - Wikipedia

    en.wikipedia.org/wiki/Laws_of_Technical_Systems...

    The laws of technical systems evolution are the most general evolution trends for technical systems discovered by TRIZ author G. S. Altshuller after reviewing thousands USSR invention authorship certificates and foreign patent abstracts. Altshuller studied the way technical systems have been invented, developed and improved over time.

  8. Evolution of nervous systems - Wikipedia

    en.wikipedia.org/wiki/Evolution_of_nervous_systems

    The evolution of nervous systems dates back to the first development of nervous systems in animals (or metazoans). Neurons developed as specialized electrical signaling cells in multicellular animals, adapting the mechanism of action potentials present in motile single-celled and colonial eukaryotes. Primitive systems, like those found in ...

  9. Systems theory - Wikipedia

    en.wikipedia.org/wiki/Systems_theory

    v. t. e. Systems theory is the transdisciplinary [ 1] study of systems, i.e. cohesive groups of interrelated, interdependent components that can be natural or artificial. Every system has causal boundaries, is influenced by its context, defined by its structure, function and role, and expressed through its relations with other systems.