DNS allows us to refer to computers by host names as well as by Internet Protocol (IP) addresses. ... DNS allows us to use host names and domain names, which can represent IP addresses. ... A domain name is a computer name suffix shared by a group of computers in the same organization. ... ARP uses only local broadcasts to a hosts or a gateway. ... If an ARP request is initiated from the host to a destination host on a remote network, the ARP request is sent to a router or gateway. ...

• Word Count: 2297
• Approx Pages: 9
• Grade Level: High School

As a side note, Ray Tomlinson is the person who established the @ sign as a domain/host designator from his Model 33 Teletype. ... The theory was tested on Xerox PARCs computers. 1974 saw the launch of TELNET public packet data service. ... In 1984, the number of hosts on the Internet broke 1000, and DNS (Domain Name Services) was introduced. ... By 1989 the number of Internet hosts had capped 100,000, and the first commercial Internet mail service was created by MCI. ... By 1992 the number of hosts on the Internet had exceeded 1,000,000 and the first MBONE audio multicast was made. ...

• Word Count: 1059
• Approx Pages: 4
• Has Bibliography
• Grade Level: High School

The Internet is a vast collection of computers that are interconnected through Internet Service Providers (ISP's) and are catalogued by DNS servers. ... All content is stored on other computers and requested as needed, so "surfing" the "net does not take a lot of storage space. ... They not only provide web mail to hundreds of thousands of people, but also free web hosting. ...

• Word Count: 717
• Approx Pages: 3
• Grade Level: High School