Basic Abbrivation

ARPANET :  Advanced Research Projects Agency Network 

BITNET  : Because It's Time NETwork

DARPA : Defence Advanced Research Projects Agency 

DNS: Domain Name Server 

HTML: Hyper Text Markup Language

HTTP : HyperText Transport Protocol 

IRC: Internet Relay Chat 

ISDN:  Integrated Services Digital Network 

ISP: Internet Service Provider 10 OSI Open Systems Interconnection 

SMTP:  Simple Mail Transport Protocol 

TCP/IP :Transmission Control Protocol / Internet Protocol 

URL: Uniform Resource Locator 

GUI: Graphical user interface