3. Lecture 1 – How a Website is created
usually
• Programming Languages are used to create websites.
• Programming Languages are languages which a computer can
understand.
• Programmers used different languages to create one website.
Few common programming languages are:
• HTML & CSS – Used for Look & feel. For making the website look
beautiful
• PHP - For writing logics
• MYSQL - For creating database to store data like documents, images
etc
Example: https://www.facebook.com/udemy
4. Lecture 2 - Website Domain & Hosting
• Once your website is created you need a unique
name to access it & some central place to keep all
the code written & data related your website like
document, photos, videos etc
• Domain is nothing but a unique address to your
website
• Hosting is nothing but central storage to put all
data related to your website
5.
6. Lecture 3 - Working of website
When you type website Domain Name in Your browser &
hit enter, following things happen:
1)Your web browser contacts DNS (Domain Name Server)
. It contain Mapping of domain name & IP address.
www.facebook.com <---> 69.171.234.37
2) It gets IP Address from DNS then contacts the actual
website server/computer with that IP Address.
(Every Server/computer has unique IP Address)
3) It gets data from that server (like photos, videos, text
etc) & show in your browser
7.
8. Small Test
• Go to following link & get IP Add from Domain Name:
http://www.instantposition.com/hostname-to-ip.cfm
OR
http://www.hcidata.info/host2ip.cgi
• Now go to following link from your browser:
http://[IP Address]
Example: http://69.171.228.74