Like Mobile computers become another hand for human being, it has been mandatory for everyone to learn computer basics to survive in this atmosphere. There are websites which teach us the basics. Here i have lisited some of them.
#1.WikiBooks
This section on WikiBooks deals with an activity of developing computer technology, computer hardware and software
#2.LandofCode
LandofCode offers online tutorial based courses in hypertext languages ranging from PHP to server and browser scripting languages like HTML, JavaScript, AJAX . It also offers a Real-time online code editor and debugging to let you see how your code works
#3.WebMonkey
WebMonkey is right Website to learn things quicker. It has an course like HTML5, Ajax, API, JavaScript, Browser Programming and etc
#4.W3Schools
W3Schools is popular among corporate and students community to learn language in Multimedia and Web Mode.
#5.Free-ed
It is an collection of all computer languages like C, C++, Java, .NET, Scripting Language and etc.