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Learn Basics of Computer

What is Computer ? Computer is an electronic data processing machine which accepts input data from the user, stores the input data in its memory, processes the input data according to given instructions and finally gives us the desired output. What are Data ? Data are the raw facts and figures in the form of bits and bytes. What is information ? Information is processed data. Components of Computer Computer has two components. Such as: Hardware Software What is Hardware ? All the parts of computer that we can see and touch are known as hardware. Example - Keyboard, Mouse, Monitor, etc. What is Software ? A set of statements written in a programming language is known as a instruction. A set of instructions is known as a program. A set of programs is known as a software. Example - Microsoft Windows, Adobe Photoshop, Typing Master, etc. Classification of Computers Computers can be classified into three categories. Those are: According to type of dat...
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Learn to Create Websites

Learn to Create Websites

What is a website ?

A website is nothing but collection of one or more web pages.

What is a web page ?

A web page is normally written in a scripting language such as HTML.

What is a scripting language ?

Scripting languages have there syntaxes written into the web browsers. There are two types of scripting languages. Those are:
  • Client Side Scripting Languages
  • Server Side Scripting Languages

What is a client side scripting language ?

A client side scripting language is executed on client's PC. Examples of some client side scripting languages are:
  • JavaScript
  • VBScript
  • HTML
  • CSS
  • Ajax
  • Jquery

What is a server side scripting language ?

A server side scripting language is executed on server's PC. Examples of some server side scripting languages are:

  • ASP
  • ActiveVFP
  • ASP.NET
  • ASP.NET MVC
  • ColdFusion Markup Language
  • Go
  • Hack
  • Haskell
  • Java
  • Lasso
  • Lua
  • Parser
  • Perl
  • PHP
  • Python
  • R
  • Ruby
  • SMX
  • Tcl
  • WebDNA
  • Progress WebSpeed
  • Bigwig

What is a web browser ?

A browser is a special type of sotware to view the web pages. Examples of some popular web browsers are:
  • Google Chrome
  • Microsoft Internet Explorer
  • Mozilla Firefox
  • Opera
  • Apple Safari

What is HTML ?

HTML stands for Hypertext Markup Language. HTML is the primary scripting language for creating websites. A HTML website is known as a static website. To make it dynamic we have to add JavaScript code to our website. But to have a awesome look and feel we need to add style sheets to our website.

What is a static website ?

A static website only displays information to the user. But the user can not interact with the website.

What is a dynamic website ?

A dynamic website lets its users interact with it by accepting form inputs.

What is a style sheet ?

A style sheet is nothing but collection of some CSS syntax.

What is CSS ?

CSS stands for Cascading Style Sheets. CSS is used to design the pages of a website.

Now that we have learnt the basics of web technologies let's move on to create our first web page.

<!DOCTYPE html>
<html lang="en">
<head>
<title>My First Website</title>
</head>
<body>
<h1>Welcome to my Home Page</h1>
</body>
</html>

Explanation of the above code

<!DOCTYPE html>

The document type of our web page. In our case it is HTML 5.

<html lang="en">

Beginning of our web page. The lang="en" attribute specifies the default language in which we are displaying the contents of our website. In our case it is English.

<head>

Beginning of page's head.

<title>My First Website</title>

Title of our webpage enclosed within starting and ending title tags.

</head>

Ending head tag.

<body>

our page's contents are displayes here.

<h1>Welcome to my Home Page</h1>

A welcome message to our website visitors by using a <h1> heading tag.

</body>

End of our page's body.

</html>

End of our page.


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