Computer basics and musthaves operating systems are essential for every computer, and these updated, modern operating systems provide a secure, userfriendly base for your computer. In practice, many web development programs provide code validation based on the w3c standards. As the world wide web consortium w3c describes it, xhtml extensible hypertext markup language is a reformulation of html 4. Html5 is the update made to html from html4 xhtml follows a different version numbering scheme. Computer software is the general term for a variety of. As the world wide web consortium w3c describes it, xhtml extensible hypertext. Creating a xhtml web page, it is necessary to include dtd document type definition declaration. When xhtml was created, it was meant to be used by webapps to serve structured content that would be understood by nonbrowser softwares, that would not have tagsoup html parsers. Computer software definition of computer software by the. Free, secure and fast html xhtml software downloads from the largest open source applications and software directory. A markup language used to structure text and multimedia documents and to set up hypertext links between documents, used extensively on the world wide. Computer software, also called software, is a set of instructions and its documentations that tells a computer what to do or how to perform a task. Once you are ready to validate your xhtml document, you can use w3c validator to validate your document.
A device designer, using standard building blocks, will specify which elements are supported. Business software computer science consumer tech data center. Intangible personal property consisting of mathematical codes, programs, routines, and other functions that controls the functioning and operation of a computer s hardware. Every xhtml document is validated against a document type definition. The doctype definition the boilerplate code that begins every web page for xhtml was really. The above html code doesnt follow the html rule although it runs. Xhtml is a very, very strict way of coding, which means the. Xhtml is a spinoff of the hypertext markup language html used for creating web pages. An easytounderstand definition of the internet term xhtml. Software definition in the cambridge english dictionary. Computer software legal definition of computer software.
The contents of the file are written in xhtml which is an extended version of html 4, thus creating xml 1. Over the years, html coders have become sloppy, because web browser software was originally written to tolerate many variations in html coding. The xhtml5 is a standard and is used to develop an xml adaptation of the html5 specification. Like xml, xhtml can be extended with proprietary tags. Well organized and easy to understand web building tutorials with lots of examples of how to use html, css, javascript, sql, php, python, bootstrap, java. Extensible hypertext markup language xhtml is a hybrid language between xml and html and is also an accepted standard in the coding world. It is the next step in the evolution of the internet. Definition of a software component and its elements bill councill george t. For every markup error that a browser has to deal with, more code has to be added to the program. The introduction of this shorthand, which is not used in the sgml declaration for html 4.
Before validating an xhtml file properly, a correct dtd must be added as the first or second line of the file. The technologies used include a combination of html, javascript or vb script, css and the document object. Computer software definition of computer software by. These instructions might be internal commands, such as updating the system clock, or a response to external input received from the keyboard or mouse. Free, secure and fast windows htmlxhtml software downloads from the largest open source applications and software directory. Xhtml synonyms, xhtml pronunciation, xhtml translation, english dictionary definition of xhtml. Unlike html, xhtml pages have a strict syntax and needs to be well formed in order to be parsed using xml parsers.
Computer software is programming code executed on a computer processor. We will develop and describe in detail the term software. Computer software is a program that tells a computer what to do. Also like xml, xhtml must be coded more rigorously than html. The standard known as xhtml5 is being developed as an xml adaptation of the html5. For screenreaders xhtml is still great, but for any other kind of software, webservices fit that need, and they mostly use xml or json. Applications are programs that are designed to perform a specific operation, such as a game or a word processor. Looking for online definition of xhtml or what xhtml stands for. Files saved with the xhtml extension are website files written in a certain programming language. For readers unacquainted with either term, html is the set of codes thats the markup language that a.
Compare the best free open source html xhtml software at sourceforge. This interface can translate a search statement into the command language of the system. Software explanation and definition of software what is. Well organized and easy to understand web building tutorials with lots of examples of how to use html, css, javascript, sql, php, python, bootstrap, java and xml. Html began as a simple way to transfer data between any computer across the. This document is the second edition of the xhtml 1. Xhtml definition in the cambridge english dictionary. Short for extensible hypertext markup language, xhtml is a hybrid between xml and html and designed for network devices as a method of displaying web pages on network and portable devices. Now a day, there are different browser technologies. Html is an acronym for hypertext markup language which is defined as the coding used to include color, language, and graphics on a webpage. In computer science and software engineering, computer software is all information processed by computer systems, programs and data.
Web pages may include animation, dynamic menus and text effects. Dynamic hyertext markup language dhtml is a combination of web development technologies used to create dynamically changing websites. Dictionary term of the day articles subjects businessdictionary business dictionary. The computer s physical components are called hardware. The computer software also called a program, is a series of instructions that tell the computer what to do and how to do it. The definition of xhtml defined and explained in simple language. Sgml that make the authoring and design of suitable software both difficult and costly.
Xml is a structured set of rules for how one might define any kind of data to be. Definition of a software component and its elements. Programs in microdevices might expect xhtmlcoded files that state the. Hypertext refers to the hyperlinks that an html page may contain. Computer software, or simply software, is a collection of data or computer instructions that tell the computer how to work. Computer software today often has a graphical user interface. Free thesaurus definition of computer software from the macmillan english dictionary. Xhtml tag list sometimes xhtml elements are referred to as tags, though many prefer the term tag strictly in reference to the semantic structures delimiting the start and end of an element. Over the years, html coders have become sloppy, because web browser software was originally written to tolerate many variations in. What is xhtml extensible hypertext markup language.
Xhtml stands for extensible hypertext markup language. Have you heard about a computer certification program but cant figure out if. This version of xhtml provides a definition of strictly conforming. Extensible html a markup language for web pages from the w3c.
Compare the best free open source windows htmlxhtml software at sourceforge. Diffen technology computers software programming programming. You interact with a program through its user interface. Xhtml is a spinoff of the hypertext markup language used for creating web pages. The term hardware describes the physical aspects of computers and related devices. Computer dictionary definition for what html hypertext markup language means including related links, information, and terms. When applied to net devices, xhtml must go through a modularization process. Xhtml extensible hypertext markup language definition. Software simple english wikipedia, the free encyclopedia.
There are three types of dtd which are discussed below. Software includes all different software programs on a computer, such as applications and the operating system. Comprehensive list of synonyms for computer software, by macmillan dictionary and thesaurus thesaurus. Supplement your preferred operating system with security programs and antivirus software that keep. With a graphical user interface gui pronounced gooey, you interact with the computer software using. You must define your own tags according to your needs. This enables xhtml pages to be read by many different platforms. Software is a general term for the various kinds of program s used to operate computer s and related devices.
The code can be machinelevel code, or code written for an operating system. Many uptodate websites consist of code written in xhtml 1. This is in contrast to physical hardware, from which the system is built and actually performs the work. Xhtml is listed in the worlds largest and most authoritative dictionary database of abbreviations and acronyms. Xhtml introduction xhtml stands for extensible hypertext markup language. From cambridge english corpus our analysis indicates that the overwhelming majority of attacks are the result of malformed input exploiting a software vulnerability of a networkattached process. When the time came to devise a new standard, the w3c world wide web consortium decided to support html5 rather than xhtml 2. Markup language refers to the way tags are used to define the page layout and elements within the page.
1553 1192 247 548 1390 135 1406 1338 202 950 1468 192 1315 909 663 640 663 990 597 839 931 80 1070 227 666 1101 246 1483 576 599 91 250 903 665 921 129 1265 225 567 1163