Chapter 2 Browsing the Web. Web Sites What is a Home Page? What is a Web Portal? (portal) Example:...
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Transcript of Chapter 2 Browsing the Web. Web Sites What is a Home Page? What is a Web Portal? (portal) Example:...
Chapter 2
Browsing the Web
Web Sites What is a Home Page?
What is a Web Portal? (portal)
Example: Yahoo! Lycos and MSNTypically offer?__________________________________________________
________________________
Web Pages A well-designed Web page draws viewers to
items of potential interest and includes links to lead viewers to investigate other Web pages.
Usually contain the following:
Web Servers
Before a Web browser can display a Web page, it must first ___________________________________________________________.
The Web server responds by sending a copy of the page to the browser. Client-server computing –
________________________________________________________________
Web Servers con’t Client –
___________________________________________________________.
Server – ____________________________________________________________ A server may be located in the same
building, in a nearby building, or, in the case of a Web server, anywhere in the world
IP Address What is an IP address?
An IP address (Internet Protocol Address) ________________________________________________________________.
It ensures that data is sent to the correct computer
An IP address consists of ____groups of numbers, each separated by periods or dots. (ex: 198.80.146.30
IP Addresses Con’t Computers that are always connected to
the Internet, such as Web servers or personal computers with a broadband connections, typically have a _________ or ___________ that seldom changes.
Computers that connect to the Internet via a temporary connection, such as a dial-up connection, generally are assigned to a __________ or ____________ while connected
Domain Names A Domain Name is a
________________________________ Ex: course.com corresponds to the IP address
198.80.146.30 When the domain name is entered into the
browser, the browser must look up the corresponding IP address by requesting the IP address from the __________________ (DNS) name server
Domain Name System (DNS) The Domain Name System (DNS) consists
of _____________________________________________________________________.
Domain names are registered like ___________
The Internet Corporation for Assigned Names and Numbers (ICANN) is the organization that ______________________________________________________________________
Top-level Domain (TLD)
Top-level Domain (TLD) – an abbreviation that identifies the type of organization associated with the domain
.edu .gov
.mil .com
.org .int
.net .name
Uniform Resource Locators (URLs)
Each Web page also has its own unique address. A Uniform Resource Locator (URL) is a ______________________________
http://www.scsite.com/internet/ch2/survey.htm
Protocol Domain name
Path File name