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....
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...
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...
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...
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...
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...
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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