KINE 2049 Chapter Notes - Chapter 4: Arpanet, Information Retrieval, Hypertext

• School: York University
• Department: Kinesiology & Health Science
• Course: KINE 2049
• Professor: Merv Mosher

Document Summary

Network or computer networks linking universities, government, businesses, and individuals worldwide. Current internet originally began 1969 with arpanet system which connected computers at 4 institutions. I(cid:374)ter(cid:374)et as it"s used today (cid:271)ega(cid:374) i(cid:374) early (cid:1005)(cid:1013)(cid:1012)(cid:1004)s. Come in two formats: numeric address start general and get more specific e. g. 130. 63. 236. 137, name address start specific and get general e. g. www. nsf. gov. Final address symbol can be of a few general categories: com indicates commercial domain, edu is educational site, net is administrative organization for a network, org stands for other types of organizations. Na(cid:373)e addresses are (cid:373)ore (cid:272)o(cid:373)(cid:373)o(cid:374) si(cid:374)(cid:272)e they"re easier to i(cid:374)terpret a(cid:374)d re(cid:373)e(cid:373)(cid:271)er than numeric address. Most searches fall into the following 3 categories: informational seeking static info about a topic, transactional shopping at, downloading from, or otherwise interacting with the result, navigational locating a specific url. To do these, must some form search utility; can be classified into two categories: directories and search engines.