Internet Introduction

Internet and intranet may have been used by some of us in carrying out daily activities.  Internet is a global communication system that connects computers and computer network in the world. The system is known as "Interconnected Network", or more popularly known as the Internet. To identify computer, it uses the address feature, that is called Internet Protocol (IP) address. Intranet is an IP-based computer networks like the internet that is used in companies, offices, and even internet cafes (WARNET). A firewall is a software/hardware that arrange the access to the intranet.