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Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks. It involves designing and implementing algorithms, step-by-step specifications of procedures, by writing code in one or more programming languages.
When designing the syntax of a language, a designer might start by writing down examples of both legal and illegal strings, before trying to figure out the general rules from these examples. [2] Syntax therefore refers to the form of the code, and is contrasted with semantics – the meaning.
Source code is the form of code that is modified directly by humans, typically in a high-level programming language. Object code can be directly executed by the machine and is generated automatically from the source code, often via an intermediate step, assembly language .
OpenCL (extension of C and C++ to use the GPU and parallel extensions of the CPU) OptimJ (extension of Java with language support for writing optimization models and powerful abstractions for bulk data processing) Perl. Pike. PowerShell. Python (embedded in Maya, Blender, and other 3-D animation packages) Rexx.
In computer programming, assembly language (alternatively assembler language or symbolic machine code), often referred to simply as assembly and commonly abbreviated as ASM or asm, is any low-level programming language with a very strong correspondence between the instructions in the language and the architecture's machine code instructions.
A programming language is a system of notation for writing computer programs. [1] Programming languages are described in terms of their syntax (form) and semantics (meaning), usually defined by a formal language. Languages usually provide features such as a type system, variables and mechanisms for error handling.
Functional programming. For subroutine-oriented programming, see Procedural programming. In computer science, functional programming is a programming paradigm where programs are constructed by applying and composing functions.
Programming style, also known as coding style or code style, is a set of rules or guidelines that governs the layout of source code. Programming style may also refer an quality aspect of code that is interpreted subjectively. Some claim that following a particular programming style helps programmers read and understand code and to avoid ...
In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language commands for handling decisions. Specifically, conditionals perform different computations or actions depending on whether a programmer-defined Boolean condition evaluates to true or false. In terms of ...
For example, on the Zilog Z80 processor, the machine code 00000101, which causes the CPU to decrement the B general-purpose register, would be represented in assembly language as DEC B. Example. The MIPS architecture provides a specific example for a machine code whose instructions are always 32 bits long.