The Internet utilizes the  TCP/IP   protocol   and is accessed using a computer  modem   or network that is connected through an  ISP . What is the role of ISP?

Solution

Internet service provider (ISP), company that provides Interment connections and services to individuals and organizations. In addition to providing access to the Internet, ISPs may also provide software packages (such as browsers), e-mail accounts, and a personal Web site or home page. ISPs can host Web sites for businesses and can also build the Web sites themselves. ISPs are all connected to each other through network access points, public network facilities on the Internet backbone.