EVOLUTION OF OO METHODOLOGY

The earliest computers were programmed in machine language using 0 and 1. The mechanical switches were used to load programs. Then, to provide convenience to the programmer, assembly language was introduced where programmers use pneumonic for various instructions to write programs....

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EVOLUTION OF SOFTWARE ENGINEERING

Any application on computer runs through software. As computer technologies have changed tremendously in the last five decades, accordingly, the software development has undergone significant changes in the last few decades of 20th century. In the early years, the software...

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Characteristics of a Web Application

In this section, we will look at the overall architecture and deployment context of web based applications and see how this leads to their peculiar management challenges. Unlike conventional applications that can be monolithic, web applications are by their very nature...

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COMMON GRAPHICAL USER INTERFACES

This post presents a list of terms used commonly with the graphical user interface (GUI): GUIs are systems that allow creation and manipulations of user interfaces employing windows, menus, icons, dialog boxes-mouse and keyboard. Macintosh toolbox, Microsoft Windows and...

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EVOLUTION OF HUMAN AND MACHINE INTERACTION

The primary means of communication with computers earlier had been through commandbased interfaces. In command interfaces, users have to learn a large set of commands to get theirjob(s) done. In earlier computer systems paper tapes, cards and batch jobs were the primary...

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Waterfall Model

It consists of a linear set of distinct phases including requirement analysis, specification, design, coding, testing and implementation. Verification is defined as the question “Are we building the product right?” Validation is defined as the question “Are we building...

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SYSTEM DESIGNING

It is the process which starts after the completion of Analysis Phase. In this phase the planning of activity starts whereas in the Analysis phase the important data are gathered. System Designing consists of various activities. The main activities that are being conducted...

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