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​‘O’ level course of  DOEACC Scheme is equivalent to a Foundation Level Course in Computer Applications. Students can acquire this qualification by undergoing this course and passing the examination conducted by the DOEACC Society. Working professionals, Graduate and 10+2 candidate can also do this course. Objective: The Objective of the course and scheme is to develop the IT knowledge and skills of OBC Candidate and prepare candidates for DOEACC examination by imparting required knowledge and skill. Recognition: Recognition has been given by the Government of India to DOEACC ‘O’ level examination conducted by the DOEACC Society as equivalent to Foundation Course in IT for the purpose of employment to the posts and services under Central Government. Welcome To NCA Institute of Technology  (NIELIT-Center). NCA Institute of Technologies NIELIT/Former DOECC (National Institute of Electronics & Information Technology) is an autonomous body of the Departm...

Introduction AutoCAD is a Computer Aided Design (CAD) application software which is used for 2-D and 3-D also for Drafting. AutoCAD introduced in the early 1980’s by Autodesk in California, USA. Auto CAD is one the initial application software which is executed on any personal computers. AutoCAD was initially derived from a program called Interact, which was written in a proprietary language. The first command release of the software used only primitive entities such as Polygons, Circle, Arcs, and Text to construct complex objects.Later,it came to support custom objectives through a C++ application programming interface. The modern version of the software includes a full set set of tools for solid modeling and 3-D.AutoCAD also supports numerous application program interfaces for automation and customization. The extension file format of AutoCAD is *.DWG. Purpose of Learning Ø   In order to win the business in any sector or industry among the competitors in these day...

AutoCAD is an interactive drawing system designed to permit a user to construct or edit a drawing on a graphics display screen. It was introduced in the early 1980’s by “Autodesk Inc.”, California, U.S.A.      There are many reasons for using AutoCAD:            Business Competition The most potent driving force is competition. In order to win business, companies used CAD to produce better designs more quickly and more cheaply than their competitors.  Productivity is much improved by a CAD program enabling you to easily draw polygons, ellipses, multiple parallel lines and multiple parallel curves . Accurate Positioning Line work Color and Hatch  Patterns The speed is increased by the use of automatic fillets a...

C is a structure procedural programming. So You can write a number of procedures to do certain tasks and build up a program by calling those procedures as needed. While Java is OOP (object oriented programming). With OOP, Classes which represent an entity (for example, a window, a button, a string of text, a file). From one class many objects may be created, with every object of a certain class having the fields (places to store data) and methods (named blocks of code associated with the  object) as defined by the class. It is possible to write in an object oriented style in C and in a procedural style in   Java , but in each case the language will somewhat get in your way. C++ is designed to support both paradigms. Preprocessor All C and C++ compilers implement a stage of compilation known as the preprocessor. The preprocessor basically performs an intelligent search and replace on identifiers that have been declared using the #define or #typedef dire...