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Internet Navigation Trends and Concepts. Dr. Lloyd D. Brooks, Professor Management Information Systems The University of Memphis. Internet Structure. Internet – World’s Largest Network Started by the U. S. Defense Department in the Late 1960s Thousands of Connected Networks
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Internet NavigationTrends and Concepts Dr. Lloyd D. Brooks, Professor Management Information Systems The University of Memphis
Internet Structure • Internet – World’s Largest Network • Started by the U. S. Defense Department in the Late 1960s • Thousands of Connected Networks • Mostly Free to Users • Other Names – Net, Information Highway, and Cyberspace
What the Internet Provides • Electronic Mail (E-Mail) • Information Access • Software Programs • Entertainment • Discussion Groups • Online Shopping • Electronic Commerce
How Information Transfers • Information Breaks Into Packets • TCP/IP – Language to Communicate Between Computers • Router – Regulates Traffic on the Internet • Backbone – High Speed Worldwide Lines • Download/Upload – Receiving or Sending Information
What’s Needed to Connect • Computer • Modem • Browser Software Program • Internet Service Provider • Commercial Online Service – Such as AOL
Internet Terminology • Web Page – A document on the web • Web Site – A collection of pages maintained by an agency or company • URL – Unique address for a web page • Hypertext – Highlighted text that permits you to jump to another web page
Browser Terminology • Home Page – First page that appears • Bookmark – Storage of frequently used addresses • History List – List of previously visited web pages
Multimedia on the Web • Text and Images • Sound and Video • Streaming Video – A player such as RealPlayer permits continuous streaming video such as a concert • Web Page Enhancements – Java, JavaScript, ActiveX, Flash
Restricting Internet Access • Unsuitable Pictures and Documents • Teacher Supervision • Browser Restrictions to Comply With Ratings • Restriction Programs for Inappropriate Sites • http://www.cyberpatrol.com • http://www.netnanny.com • http://www.beyond.com
Navigational Toolsfor Search Sites • Search dialog boxes. Enter the appropriate keywords • Hyperlinks. Click the appropriate hyperlink with the left mouse button. • Pull down menus. Click the arrow to access a list of options. Then, click the appropriate option with the left mouse button.
What is a search engine? • A search engine scans a large list of web pages and displays a list of sites that contain your keywords. • The procedure is to go to an appropriate search engine site and enter the keywords for your search. Then, click “go” or “search” or other descriptive option that is associated with the search engine site.
Search Engines • http://www.alltheweb.com • Fast search of the entire web - 575 million URLs • http://www.google.com • Indexes over 1 billion web pages • http://www.lycos.com • Good general search engine - Categories
Search Engines • http://www.looksmart.com • General search engine to leading portals, media companies and ISPs worldwide • http://www.hotbot.lycos.com • General search engine. Includes searches for people, e-mail addresses, discussion groups in several languages
Search Engines • http://www.netscape.com • General search engine. Includes entertainment, business, and personal finance categories • http://www.aj.com • General search engine. Ask an intelligent question while using the English language. Very easy to use.
Search Engines • http://www.excite.com • General search engine. Good for personal information such as chat events, weather, and current news • http://www.altavista.com • General search engine. Resources such as find a home and searching by category such as travel or services. Searches 30 million web pages.
Search Engines • http://www.yahoo.com • This site is the most visited site on the web • http://www.aol.com • This is the site for the largest commercial Internet service provider
Typical Sites • http://www.ebay.com • A popular auction site • http://www.amazon.com • A popular site for buying books • http://www.fedex.com • First package tracking site
Typical Sites • http://www.marriott.com • First site for hotel reservations • http://msn.expedia.com • Number one online travel agency • http://www.memphis.edu • Site for The University of Memphis • http://www.craigmont.org • Site for Craigmont High School
Search Tips • Enter several words that may appear in your document with a plus sign between them. • Chocolate chip + cookies • Spell correctly when you search. For example, Ask Jeeves: Where can I find a review of the film Casablanca? • Be specific. Insurance companies in North Dakota is better than Insurance companies in the Upper Midwest.
Search Tips • Use quotation marks to look for phrases • “fly fishing” • Use a plus sign to force words to appear • Fly fishing + lakes • Use algebra to include both components • (fly fishing) AND (hotel)
Search Tips • Use descriptive words • Jobs – 681,718 matches • Jobs consulting – 51,452 matches • Jobs consulting engineering – 21,770 matches • Jobs consulting engineering civil – 6,568 matches
Search Tips • Be specific – “Virginia state motto” is better than “Virginia motto” • Use exact phrases placed in double quotes such as “auto parts” BMW or “database administrators” • Consider international spellings. Counseling in America, but spelled counselling in Canada. Theater in America, but spelled theatre in England.
Search Tips • Use the URL to go to a specific web site for a company or agency. Type United Airlines or Go United Airlines and the browser will take you to the United Airlines site. • Example: Go Marriott • Example: Marriott • http://www.Marriott.com • Enter buy shoes in the URL address box to access a list of sites that sell shoes • Example: buy shoes
Typical Project • Assume that you are planning a trip to the Hearst Castle in San Simeon, California. Use the Internet to make travel and hotel plans for the trip. Use the Internet to obtain information about Hearst Castle. Use the Internet to locate restaurants and other attractions in the area. Use the Internet to determine weather conditions.
Typical Project • Use the Internet to determine information about the movie: Gone With the Wind. Information is needed relative to stars, director, and other information of interest about the movie. Hints: Use appropriate search engines. Also, go to the following web site: http://www.imdb.com
Typical Project • Assume that you are planning on working at Federal Express after graduation. Assume that you are preparing for a job interview. Use the Internet to locate information about Federal Express that may be useful as you prepare for the job interview.
Typical Project • Assume that you are planning to enroll in The University of Memphis next year. Use the Internet to locate information about the university such as entrance requirements, forms needed for enrollment, and other related information that will be helpful for applying for enrollment into the University.
Typical Project • Assume the Penny Hardaway will speak at your high school next week. You have been given an opportunity to introduce him before his presentation. Use the Internet to locate information that will be useful for your introduction. Prepare a one-page introduction based on your research.
Typical Project • Who is Herman Hollerith? What role did he play in early development of computers? Write a one-page summary relating to your research findings.
Typical Project • When was Microsoft Corporation created? Who founded Microsoft? What are three of the primary products produced by Microsoft? What is the current price for a share of stock in the company? How much has the price of a share of stock increased (or decreased) during the past 12 months?
Typical Project • Use the Internet to locate information about Cisco Systems, a corporation. Prepare a one-page report which provides background information about the company and its products. Assume that a person invested $1,000 in the company in 1990. Use the Internet to determine the worth of this investment today?
Typical Project • Assume that you need to locate information about a youth club such as the Future Business Leaders of America or the Business Professionals of America. Use the Internet to locate information about the club of choice. Then write a one-page summary that provides information that might be useful to a prospective student member.