Algunas paginas utiles

HTML http://www.w3schools.com/html/html_intro.asp FORM http://www.w3schools.com/php/php_forms.asp POST Y GET http://www.w3schools.com/php/php_get.asp http://www.w3schools.com/php/php_post.asp COOKIES Y SESSION http://www.w3schools.com/php/php_cookies.asp http://www.w3schools.com/php/php_sessions.asp Lenguajes compilados e interpretados http://lablenguajesdaniela.blogspot.com.ar/2010/12/compilar-e-interpretar.html