Module 2
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Signs are visual markings or sounds that present information. Metaphors cue users about the functionality of the site through the
use of icons or images. Together, Signs and Metaphors create the look and feel of the site.
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Information Architecture organizes Signs and Metaphors into a cohesive structure. In addition, it lays down the path for
navigating through the site.
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Software comprises underlying components (applications) that enable the display of Signs and Metaphors. In addition, software
creates, stores, and manages all resources available over the Web.
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A network is a series of computers that communicate with each other. Common protocols used on the Internet are TCP, IP, HTTP,
FTP, and SMTP (the Internet email protocol).
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Hardware includes the user's computer equipment, also Web servers, database servers, mail servers, domain name servers, and
firewall servers. On the network side, hardware includes modems, routers, hubs, and other network equipment; phone lines; and
data lines (DSL, T1, OC12, etc.).
