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In computer programming, machine code is computer code consisting of machine language instructions, which are used to control a computer's central processing unit (CPU). For conventional binary computers , machine code is the binary representation of a computer program which is actually read and interpreted by the computer.
They may be specified by a separate programming language such as "OpenCL C" (managed by the OpenCL API), as "compute shaders" written in a shading language (managed by a graphics API such as OpenGL), or embedded directly in application code written in a high level language, as in the case of C++AMP. DirectX 10 described this as unified shader.
Programming involves activities such as analysis, developing understanding, generating algorithms, verification of requirements of algorithms including their correctness and resources consumption, and implementation (commonly referred to as coding [1] [2]) of algorithms in a target programming language.
The implementation of the language's execution model tracks which operations are free to execute and chooses the order independently. More at Comparison of multi-paradigm programming languages. In object-oriented programming, code is organized into objects that contain state that is owned by and (usually) controlled by the code of the object ...
A call gate is a special address stored by the kernel in a list in kernel memory at a location known to the processor. When the processor detects a call to that address, it instead redirects to the target location without causing an access violation. This requires hardware support, but the hardware for it is quite common.
Lines within a program correspond directly to processor commands, essentially acting as a mnemonic device overlaying a first generation programming language. The code can be read and written by a programmer. To run on a computer it must be converted into a machine readable form, a process called assembly. [4]
The AMD Am2900 family is one of the best known examples of bit slice elements. [39] The parts of the execution units and the whole execution units are interconnected by a bundle of wires called a bus. Programmers develop microprograms, using basic software tools. A microassembler allows a programmer to define the table of bits symbolically ...
In computing and computer science, a processor or processing unit is an electrical component (digital circuit) that performs operations on an external data source, usually memory or some other data stream. [1]