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Mobile Application Development BSCS-7 Lecture # 2 - ppt download
Mobile Application Development BSCS-7 Lecture # 2 - ppt download : Overview of XML XML stands for EXtensible Markup Language. It is a software- and hardware-independent tool for storing and transporting data. XML allows to define languages (“applications”) to represent text documents / textual data. XML does not qualify to be a programming language as it does not perform any computation or algorithms. XML Usage XML can work behind the scene to simplify the creation of HTML documents for large web sites. XML can be used to exchange the information between organizations and systems. XML can be used for offloading and reloading of databases. XML can be used to store and arrange the data, which can customize your data handling needs. XML can easily be merged with style sheets to create almost any desired output. Virtually, any type of data can be expressed as an XML document.
Computer graphics Computer graphics is an art of drawing pictures on computer screens with the help of programming. It involves computations, creation, and manipulation of data. In other words, we can say that computer graphics is a rendering tool for the generation and manipulation of images. Cathode Ray Tube The primary output device in a graphical system is the video monitor. The main element of a video monitor is the Cathode Ray Tube C R T , shown in the following illustration. The operation of CRT is very simple − The electron gun emits a beam of electrons c a t h o d e r a y s . The electron beam passes through focusing and deflection systems that direct it towards specified positions on the phosphor-coated screen. When the beam hits the screen, the phosphor emits a small spot of light at each position contacted by the electron beam. It redraws the picture by directing the electron beam back over the same screen points quickly. There are two ways R a...
Database Connectivity and Web Technologies - ppt download
Database Connectivity and Web Technologies - ppt download : Outlines Database connectivity technologies ODCB .NET and OLE DAO and ADO JDBC How Web-to-database middleware is used to integrate databases with the Internet Web browser plug-ins and extensions What services are provided by Web application servers What Extensible Markup Language (XML) is and why it is important for Web database development About cloud computing and how it enables the database-as-a-service model