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  2. Systems programming - Wikipedia

    en.wikipedia.org/wiki/Systems_programming

    Systems programming, or system programming, is the activity of programming computer system software.The primary distinguishing characteristic of systems programming when compared to application programming is that application programming aims to produce software which provides services to the user directly (e.g. word processor), whereas systems programming aims to produce software and software ...

  3. Computer programming - Wikipedia

    en.wikipedia.org/wiki/Computer_programming

    Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks. [1] [2] It involves designing and implementing algorithms, step-by-step specifications of procedures, by writing code in one or more programming languages. Programmers typically use high-level programming ...

  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 devices firmware, including computer BIOS , provide basic functionality to operate and control the hardware connected to or built ...

  5. Computer program - Wikipedia

    en.wikipedia.org/wiki/Computer_program

    A computer program is a sequence or set [a] of instructions in a programming language for a computer to execute. It is one component of software, which also includes documentation and other intangible components. [1] A computer program in its human-readable form is called source code.

  6. Information technology - Wikipedia

    en.wikipedia.org/wiki/Information_technology

    Information science. Information technology ( IT) is a set of related fields that encompass computer systems, software, programming languages, and data and information processing, and storage. [1] IT forms part of information and communications technology (ICT). [2] An information technology system ( IT system) is generally an information ...

  7. System programming language - Wikipedia

    en.wikipedia.org/wiki/System_programming_language

    System programming language. A system programming language is a programming language used for system programming; such languages are designed for writing system software, which usually requires different development approaches when compared with application software. Edsger Dijkstra referred to these languages as machine oriented high order ...

  8. Software system - Wikipedia

    en.wikipedia.org/wiki/Software_system

    A software system is a system of intercommunicating components based on software forming part of a computer system (a combination of hardware and software). It "consists of a number of separate programs, configuration files, which are used to set up these programs, system documentation, which describes the structure of the system, and user ...

  9. Software development process - Wikipedia

    en.wikipedia.org/wiki/Software_development_process

    Software development. In software engineering, a software development process or software development life cycle ( SDLC) is a process of planning and managing software development. It typically involves dividing software development work into smaller, parallel, or sequential steps or sub-processes to improve design and/or product management.