ICT 202 Lecture Notes - Lecture 44: Open Systems Interconnection, Mobile Broadband Modem, Cable Internet Access
24 Mar 2019
School
Department
Course
Professor
Document Summary
The internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals. The open system interconnection (osi) model is a standard way of thinking about the many layers that make up the internet. With wired connections, a computer or device physically attaches via a cable or wire to a communications device. Computers without a communications device can use a wireless modem or other communications device that enables wireless connectivity. An ip address is a sequence of numbers that uniquely identifies each computer or device connected to the internet. A domain name is a text-based name that corresponds to the ip address. A dns server translates the domain name into its associated ip address. A hot spot is a wireless network that provides internet connections to mobile computers and devices. An internet service provider (isp) is a business that provides individuals and organizations access to the internet free or for a fee.
