Data and Information

Data is raw facts. Data can be in the form of numbers, characters, symbols, pictures or even sounds. It has no significance when it exists in that form. Information is data that is organized and meaningful. It is used for making decisions. Data is used as input for processing and information is output of this processing. Data can be processed to create useful information. Information is the manipulated and processed form of data.

In today’s economy, information technology (IT) has fundamentally transformed information availability, changing the economics and business practices in a wide range of industries. Dramatic changes in information technology and the nature of economic competition are forcing firms to come up with new ways of organizing work. So, the more IT is developed, the more competitive economic is. Then, people have to find new style of organizing their work.

One of the problems associated with information management is poor quality of information, including lack of consistency, duplication, and out-of-date information. It is because we can duplicate any writing from someone easily without any copyright from the writer. Then, it will make the information is poor, means that not original from the experts.

Introduction to The Computer

Computer consists of software and hardware. The examples of software are: Winamp, Windows Media Player Classic, Tweetdeck, Internet Download Manager, VLC Media Player, etc. The examples of hardware are: CPU, Monitor, Keyboard, Mouse, Speaker, and so on.

How to Create A Blog Account

Blog is a media for us to share some information or even a diry to the public. Nowadays, there are several websites that provide free account to create a blog, like: wordpress and blogger. At this time, we will learn how to create an account on www.blogger.com

These are the steps:

1.   Create an email account first! As a suggestion, we can create an email on google mail. Go to www.mail.google.com. Then, follow the instruction there to create an email account.

2.   Go to www.blogger.com

3.   Click “Create A Blog.”

4.   Fulfill the form for registration to your account.

5.   Click “Continue.” Type your blog title and blog address.

6.   Choose a template for your blog and click “Continue”

7.   Click “Start Blogging”

Now, you have your own blog. You can design that blog as you like. You can change the temple through the setting. Finally, enjoy blogging!!!

Notion about PHP

What is PHP??

            PHP is a scripting language which can be read each row by parser zend engine, that is specialized to create an application for web technology. In this case, generally application will give the result on web browser, but the overall process is run in web server. As information, the examples of web browser are Mozilla Firefox and Internet Explorer.

What can be done by PHP??

            In the beginning, PHP was developed only for internet (making web page), but then PHP also could be used for standalone application and also to help administrator through CLI mode (Command Line Interface).

Functions of PHP:

·         Server Side Scripting

To be able to use PHP in this function, we need 3 main components:

1.   PHP Parser (CGI or Module)

2.   Web server. (There are many web server that support PHP, such as Apache, IIS, Xitami, Zeus, etc)

3.   Web Browser

·         Command Line Scripting

PHP script can be run without browser. We need only PHP, which is usually used for doing automatic tasks that is scheduled by cron (*nix or Linux) or by Task Scheduler (in Windows)

·         Standalone Application

PHP can also be used to create a standalone application. It is an application which is run without web browser or web server. To create this application, we can use PHP-GTK.

Knowing The Blog

What is blog?? Blog is a website that we organize by creating an account. It contains any information we want. Sometimes, it can be a diary, comment about current issues, or any thing that we want to share. There are many websites that provide blog. Some of them are free to create an account. Then, some of them are not free. It means that we need to pay to create an account to that website to create an account.