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  2. Machine code - Wikipedia

    en.wikipedia.org/wiki/Machine_code

    Machine code is a strictly numerical language, and it is the lowest-level interface to the CPU intended for a programmer. Assembly language provides a direct map between the numerical machine code and a human-readable mnemonic.

  3. Low-level programming language - Wikipedia

    en.wikipedia.org/wiki/Low-level_programming_language

    A low-level programming language is a programming language that provides little or no abstraction from a computer's instruction set architecture, memory or underlying physical hardware; commands or functions in the language are structurally similar to a processor's instructions. These languages provide the programmer with full control over ...

  4. Assembly language - Wikipedia

    en.wikipedia.org/wiki/Assembly_language

    Unlike high-level languages, there is a one-to-one correspondence between many simple assembly statements and machine language instructions. However, in some cases, an assembler may provide pseudoinstructions (essentially macros) which expand into several machine language instructions to provide commonly needed functionality. For example, for a ...

  5. List of programming languages by type - Wikipedia

    en.wikipedia.org/wiki/List_of_programming...

    Individual machine languages are specific to a family of processors; machine-language code for one family of processors cannot run directly on processors in another family unless the processors in question have additional hardware to support it (for example, DEC VAX processors included a PDP-11 compatibility mode).

  6. First-generation programming language - Wikipedia

    en.wikipedia.org/wiki/First-generation...

    A first-generation programming language (1GL) is a machine-level programming language and belongs to the low-level programming languages. [1] A first generation (programming) language (1GL) is a grouping of programming languages that are machine level languages used to program first-generation computers.

  7. System programming language - Wikipedia

    en.wikipedia.org/wiki/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 languages, or mohol. [1]

  8. x86 assembly language - Wikipedia

    en.wikipedia.org/wiki/X86_assembly_language

    x86 assembly language is a family of low-level programming languages that are used to produce object code for the x86 class of processors. These languages provide backward compatibility with CPUs dating back to the Intel 8008 microprocessor, introduced in April 1972.

  9. Second-generation programming language - Wikipedia

    en.wikipedia.org/wiki/Second-generation...

    Low-level memory and hardware details must be manually managed which is often bug-prone. [2] Programs are machine-dependent, so different versions must be written for every target machine architecture. [3] The vast majority of programs are written in a third-generation programming language or a fourth-generation programming language.