Recent Articles
Communication protocols in computer networks
A protocol means the rules that are applicable for a network. Protocol defines standardized formats for packet data, techniques for detecting and correcting errors and so on. To understand the concept of a communication protocol,let us assume that A and B need to talk to one another. They want to exchange their ideas. But it [...]
Common network devices and their working
In the smooth functioning of networks, many devices play important roles. Â In this articles i’m going to discuss about a few of such devices. Lets begin our discussion with a device that is most probably sitting atop your computer table right now i.e, Modem. Modem-A modem is a computer peripheral that allows you to connect [...]
Elementary terminology of computer network
Whenever we talk about a network, it includes the hardware and the software that make up the network. Now lets have a look at some typical hardware components of network. Nodes (Workstations)- The term nodes refers to the computers that are attached to a network and are seeking to share the resources of the network. [...]
Communication and network concepts
INTRODUCTION- During the twentieth century, the key technology has been information gathering, processing and distribution. Among other developments, we have seen the installation of worldwide telephone networks, the birth and unexpected growth of computer industry, and the launching of communication satellites. As we have entered the 21st century, these areas are rapidly converging. The merging [...]
Advanced concepts of Database Management System
Much advancement has been done in database manage systems. Complex details of analysis and design of an enterprise have resulted in building a data warehouse involving wide decision making. A data warehouse is a collection of data marts representing historical data from different operations in the enterprise. This data is stored in a structure optimized [...]
A detailed introduction to Structured Query Language (SQL)
Structured Query Language (SQL) was developed in an IBM laboratory in San Jose, California in the late 1970s. SQL is often referred to as ‘sequel’ . It was originally developed for IBM’s DB2 product, a relational database management system (RDBMS) which still is used for various platforms and environments in different organizations. In fact, SQL [...]
An introduction to Relational Database Management System
An organisation must have accurate and reliable data for effective decision making. Thus the organization maintains data and records of its various operations electronically. A database is a collection of data typically describing the activities of one or more related departments e.g., a university database might contain the information about the following: entities such as [...]
Choosing the correct branch while enrolling in Engineering courses
Today, there are more than a hundred good engineering colleges in India. Apart from the world-class Indian Institute of Technologies (IIT), every state of the country has a National Institute of technology (NIT). The NITs are also reputed in the country and there is a lot of competition to get enrolled as the seats are [...]
Kindle Fire vs Ipad which one would you buy?
Kindle fire the new toy of Amazon has created lot of buzz being the most worthy competitor. Check it out below The exclusive features and advantages amazon kindle fire has over ipad or other company electronic pads are listed below All the free movies and tv shows from instant video, not only movies but 17 [...]
Benefits of Modular Programming
In modular programming approach, the program is progressively decomposed into smaller partitions called modules. The programs can be easily written in modular form, thus allowing an overall problem to be decomposed into a sequence of individual sub-problems. Thus, we can consider a module decomposed into successively subordinate module. Conversely, a number of modules can be [...]