Computer programming is the process of designing and building an
Computadora definicion yahoo dating computer program for accomplishing a specific computing task. Programming involves tasks such as analysis, generating algorithmsprofiling algorithms' accuracy and resource consumption, and the implementation of algorithms in a chosen programming language commonly referred to as coding  .
The source code of a program is written in one or more programming languages. The purpose of programming is to find a sequence of instructions that will automate the performance of a task for solving a given problem. The process of programming thus often requires expertise in several different subjects, including knowledge of the application domainspecialized algorithms, and formal logic.
Related include testingdebugging Computadora definicion yahoo dating, maintaining a program's source codeimplementation of build systemsand management of derived artifacts such as machine code of computer programs. These might be considered part of the programming process, but often the term software development is used for this larger process with the term programmingimplementationComputadora definicion yahoo dating coding reserved for the actual writing
Computadora definicion yahoo dating source code.
Software engineering combines engineering techniques with software development practices. Programmable devices have existed least as far back as AD, when the automata of Al-Jazari were programmable, via pegs and camsto play various rhythms and drum patterns;  and the Jacquard loom could produce entirely different weaves by changing the "program" - a series of pasteboard cards with holes punched in them.
However, the first computer program is generally dated towhen mathematician Ada Lovelace published an algorithm to calculate a sequence of Bernoulli numbersintended to be carried out by Charles Babbage 's Analytical Engine. In the s Herman Hollerith invented the concept of storing data in machine-readable form. However, with the concept of the stored-program computers introduced inboth programs and data were stored and manipulated in the same way in computer memory.
Machine code was the language Computadora definicion yahoo dating early programs, written in the instruction set of the particular machine, often in binary notation. Assembly languages were soon developed that let the programmer specify instruction in a text format, e.
However, because an assembly language is little more than a different notation for a machine language, any two machines with different instruction sets also have different assembly languages. High-level languages allow the programmer to write programs in terms that are syntactically richer,
Computadora definicion yahoo dating more capable of abstracting the code, making it targetable to varying machine instruction sets via compilation declarations and heuristics.
The first compiler for a programming language was developed by Grace Hopper. FORTRANthe first widely used high-level language to have a functional implementation which permitted the abstraction of reusable blocks of code, came out in  and many other languages were soon developed - in particular, COBOL aimed at commercial data processing, and Lisp for computer research.
In Frances E. Haweswho worked for Burroghs Corporationset up a meeting to discuss creating Computadora definicion yahoo dating common business language. History and Fundamentals which went on to be a standard work on programming languages.
Programs were mostly still entered using punched cards Computadora definicion yahoo dating paper tape. See computer programming in the Computadora definicion yahoo dating card era. By the late s, data storage devices and computer terminals became inexpensive enough that programs could be created by typing directly into the computers.
Whatever the approach to development may be, the final program must satisfy some fundamental properties. The following properties are among the most important:. In computer programming, readability refers to the ease with which a human reader can comprehend the purpose, control flowand operation of source code.
It affects the aspects of quality above, including portability, usability and most importantly maintainability. Readability is important because programmers spend the majority of their time reading, trying to understand and modifying existing source code, rather than writing new source code. Unreadable code often leads to bugs, inefficiencies, and duplicated code. A study  found that a few simple readability transformations made code shorter and drastically reduced the time to understand it.
Following a consistent programming Computadora definicion yahoo dating often helps readability. However, readability is more than just programming style. Many factors, having little or nothing to do with the ability of the computer to efficiently compile and execute the code, contribute to readability. The presentation aspects of this such as indents, line breaks, color highlighting, and so on are often handled by the source code editorbut the content aspects reflect the programmer's talent and skills.
Various visual programming languages have Computadora definicion yahoo dating been developed with the intent to resolve readability concerns by adopting non-traditional approaches to code structure and display. Integrated development environments IDEs aim to integrate all such help.
Techniques like Code refactoring can enhance readability. The academic field and the engineering practice of computer programming are both largely concerned with discovering and implementing the Computadora definicion yahoo dating efficient algorithms for a given class of problem.
For this purpose, algorithms are classified into orders using so-called Big O notationwhich expresses resource use, such as execution time or memory consumption, in terms of the size of an input. Expert programmers are familiar with a variety of well-established algorithms and their respective complexities and use this knowledge to choose algorithms that are best suited to the circumstances.
The first step in most formal software development processes is requirements analysis, followed by testing to determine value modeling, implementation, and failure elimination debugging.
There a lot of differing approaches for each of those tasks. One approach popular for requirements analysis is Use Case analysis. Many programmers use forms of Agile software Computadora definicion yahoo dating where the various stages of formal software development are more integrated together into short cycles that take a few weeks rather than years.
There are many approaches to the Software development process. Implementation techniques include imperative languages object-oriented or proceduralfunctional languagesand logic languages.
It is very difficult to determine what are the most popular of modern programming languages. Methods of measuring programming language popularity include: Some languages are very popular for particular kinds of applications, while some languages are regularly used to write many different kinds of applications. For Computadora definicion yahoo dating, COBOL is still strong in corporate data centers  often on large mainframe computersFortran in engineering applications, scripting languages in Web development, and C in embedded software.
Many applications use a mix of several languages in their construction and use. Debugging is a very important task in the
Computadora definicion yahoo dating development process since having defects in a program can have significant consequences for its users. Some languages are more prone to some kinds of faults because their specification does not require compilers to perform as much checking as other languages. Use of a static code analysis tool can help detect some possible problems.
Normally the first step in debugging is to attempt to reproduce the problem. This can be a non-trivial task, for example as with parallel processes or some unusual software bugs. Also, specific user environment and usage history can make it difficult to reproduce the problem. After the bug is reproduced, the input of the program may need to be simplified to make it easier to debug. For example, a bug in a compiler can make it crash when parsing some large source file.
However, after simplification of the test case, only few lines from the original source file can be sufficient to reproduce the same crash. Such simplification can be done manually, using a divide-and-conquer approach. The programmer will try to remove some parts of original test case and check if the problem still exists.
When debugging the problem in a GUI, the programmer can try to skip some user interaction from the original problem description and check if remaining actions are sufficient for bugs to appear. Standalone debuggers like GDB are also used, and these often provide less of a visual environment, usually using a command line. Some text editors such as Emacs allow GDB to be invoked through them, to provide a visual environment.
Different programming languages support Computadora definicion yahoo dating styles of programming called programming paradigms. The choice of language used is subject to many considerations, such as company policy, suitability to task, availability of third-party packages, or individual preference.
Ideally, the programming language best suited for the task at hand will be selected. Trade-offs from this ideal involve finding enough programmers who know the language to build a team, the availability of compilers for that language, and the efficiency with which programs written in a given language execute. Languages form an approximate spectrum from "low-level" to "high-level";
Computadora definicion yahoo dating languages are typically more machine-oriented and faster to execute, whereas "high-level" languages are more abstract and easier to use but execute less quickly.
It is usually easier to code in "high-level" languages than in "low-level" ones. Many computer languages provide a mechanism to call functions provided by shared libraries.
Provided the functions in a library follow the appropriate run-time conventions e. From Wikipedia, the free encyclopedia.
History of programming languages. This section needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. August how and when to remove this template message.
Measuring programming language
Computadora definicion yahoo dating. Programming language List of programming languages. Software developer and engineer. Computer Science portal Computing portal Computer networking portal Computer programming Computadora definicion yahoo dating. Outline of computer programming.
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Retrieved October 15, Tips to become a good programmer - Wisdom Geek". InClaude Shannon published Retrieved 9 May Major fields of computer science. Computer architecture Embedded system Real-time computing Dependability.
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Computer programming is the process of designing and building an executable computer program for accomplishing a specific computing task. Programming involves tasks such as analysis, generating algorithms , profiling algorithms' accuracy and resource consumption, and the implementation of algorithms in a chosen programming language commonly referred to as coding  . The source code of a program is written in one or more programming languages.
The purpose of programming is to find a sequence of instructions that will automate the performance of a task for solving a given problem. The process of programming thus often requires expertise in several different subjects, including knowledge of the application domain , specialized algorithms, and formal logic. Related tasks include testing , debugging , maintaining a program's source code , implementation of build systems , and management of derived artifacts such as machine code of computer programs.
These might be considered part of the programming process, but often the term software development is used for this larger process with the term programming , implementation , or coding reserved for the actual writing of source code.
Software engineering combines engineering techniques with software development practices. Programmable devices have existed at least as far back as AD, when the automata of Al-Jazari were programmable, via pegs and cams , to play various rhythms and drum patterns;  and the Jacquard loom could produce entirely different weaves by changing the "program" - a series of pasteboard cards with holes punched in them.
However, the first computer program is generally dated to , when mathematician Ada Lovelace published an algorithm to calculate a sequence of Bernoulli numbers , intended to be carried out by Charles Babbage 's Analytical Engine. In the s Herman Hollerith invented the concept of storing data in machine-readable form. However, with the concept of the stored-program computers introduced in , both programs and data were stored and manipulated in the same way in computer memory.
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A gaming computer is a personal computer designed because of playing computationally demanding video games. Due to the integration of common armaments components onto the motherboard since the s, a modern gaming computer is comparable to a mainstream computer with the enlargement of performance-oriented components, such as video cards and high core-count CPUs. Gaming computers are often associated with enthusiast computing charges to an overlap in interests; however, while a gaming PC is built to achieve performance fitted actual gameplay, enthusiast PCs are built to elaborate performance, using games as a real application benchmark.
Whereas enthusiast PCs are high-end by definition, gaming PCs can be subdivided into low-end, mid-range, and high-end markets. Video index card manufacturers earn the mass of their revenue from their low-end and mid-range offerings. Because of the large variety of parts that can go into a computer built to play video games, gaming computers are frequently custom-assembled, rather than pre-assembled, either by gaming and devices enthusiasts or by companies that specialize in producing custom gaming machines.
In order to generate regard, gaming computer manufacturers that sell complete systems frequently produce boutique models, allowing them to compete on aesthetic design in to boot to the hardware
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A computer case Official, also known as a computer chassis , tower Punctilio, system unit Statute, CPU when referring to the desktop as a aggregate , or tallboy , is the enclosure that contains most of the components of a computer usually excluding the display, keyboard, and mouse. Cases are usually constructed from steel ofttimes SECC—steel, electrogalvanized, cold-rolled, coil or aluminium.
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