How to Installing and Configuring MySQL

MySql is the database of choice for a vast majority of Web developers who use PHP, because of its efficiency and ease of use. Plus, MySQL is free and runs on multiple platforms, and its documentation sis superb. When using MySQL and PHP, it’s easiest to install MySQL first, because during the PHP installation and configuration processes, you must tell the PHP configuration script that you plan to use MySQL, in order to activate...
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A Brief History of PHP.

In 1994, an incredibly forward-thinking man named Rusums Lerdorf developed a set of tools that used a parsing engine to interpret a few macros here and there. They were not extravagant : a guest book, a counter, and some other ” home  page” elements that were cool when the Web was in its infancy. He eventually combined these tools with a form interpretation (FI) package he had written, added some database...
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What is PHP ?

Its official name is PHP : Hypertext Preprocessor, and it is a server-side language. When your Web browser accesses a URL, it is making a request to a web server. When you request a PHP page, something like http://www.yourcompany.com/home/php, the Web server wakes up the PHP parsing engine and says, ” Hey ! you’ve got to do something before I send a result back to this person’s Web browser.” Then the...
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Function of Operating System.

We don’t have to bother about ‘where’ and ‘how’ the Data has to be ‘stored’ in the memory. It also keeps the track of the currently used memory and allocates new memory for the data to be used. Job Scheduling Functions: The Operating System undertakes the Job Scheduling Functions. If multiple tasks are there, it schedules the jobs according to their priority and keeps track of which task/work is to be...
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Communication and network concepts.

Introduction During the 20th century the key technology has been information gathering m processing and distribution. 1.            Among other developments the installation of worldwide telephone networks, the birth and un-expected growth of the Computer Industry, and the launching of communication satellites. 2.            As we have entered in 21st century, these area rapidly converging. 3.            The old a single computer serving all of the organization needs, is rapidly being reposed...
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Understand the basic concepts of Data Structures

Semantically data can exists in either of the two forms – atomic or structured. In most of the programming problems data to be read, processed and written are often related to each other. Data items are related in a variety of different ways. Whereas the basic data types such as integers, characters etc. can be directly created and manipulated in a programming language, the responsibility of creating the structured type data...
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The basic concepts of Data Structure.

Computer is a machine that manipulates information. The study of Computer Science therefore, inevitably, includes the study of how information is organized in a Computer, how it can be manipulated and how it can be utilized. Thus, it is exceedingly important to understand the concept of information organization and manipulation. Computer Science can be defined as the study of the data, its representation and transformation by a digital computer. A computer...
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Need for Operating System.

 An Operating System is needed because of the following jobs:- 1.            It acts as an interface between User and Computer Hardware. The Operating System assists in the execution of the user programs. The Operating System proves and environment  in which particular Software packages can execute. 2.            it process jobs submitted by user : A user solutions job to the Operating System. A job is the collection of activities several steps. Job steps...
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