Chapter 7 - MIS8 Flashcards
Internet backbone
Foundation network linked with fiber-optic cables that can support high bandwidth
Hypermedia
Documents include embedded references to audio, text, images, video, and other documents
____ can be stored anywhere in the world, so users can jump from a site in the U.S. to a site in France in a few milliseconds
Hypermedia
DNS
Domain Name System: Protocol that converts domain names into IP addresses when information is transferred from one network to another
TLD
top-level domain
Denotes the type of organization or country the address specifies
Divided into generic top-level domains (gTLDs) and country code top-level domains (ccTLDs)
What is the purpose of this gLTD?
.com
Commercial organizations
What is the purpose of this gLTD?
.edu
Educational institions
What is the purpose of this gLTD?
.int
International organizations (ie. UN)
What is the purpose of this gLTD?
.mil
US Military Organizations
What is the purpose of this gLTD?
.gov
Government
What is the purpose of this gLTD?
.net
Backnone, regional and commercial networks (ie. National science foundation center)
What is the purpose of this gLTD?
.org
Other Organizations, ie. NPO
Navigational tools
Used to travel from Web site to Web site
Process Followed by Search Engines
Step 1 - Crawling the Web
Step 2 - Indexing
Step 3 - Searching
Newsgroups
- General in nature and can cover any topic
2. Allow people to get together for fun or for business purposes
Discussion groups
- Formed for people to exchange opinions and ideas on a specific topic
- Group members post messages or articles that others in the group can read
Voice over Internet Protocol (VoIP)
- Used for Internet telephony
- Requires a high-speed Internet connection and a microphone or headset
- Used to route traffic starting and ending at conventional public switched telephone network (PSTN) phones
What is a drawback of VoIP?
Lack of call quality
What are the advantages of VoIP?
- Absence of busy lines
- Receiving voicemails on the computer
- Ability to:
- Screen callers
- Forward calls from anywhere in the world
- Direct calls to the correct departments and take automated orders
Major publishers in the U.S. and Europe have Web sites that offer:
- Descriptions of forthcoming books
- Sample chapters
- Online ordering
- Search features
- Books that can be read online free for 90 days
- Purchase options for e-book versions
University Web sites offer:
Information about departments, programs, faculty, and academic resources
Virtual tours of the campus
Online degree programs
Help colleges and universities facing an enrollment decline
Real Estate Web Sites
- Provide up-to-date listings of homes
- Allow buyers to review neighborhoods, schools, and real estate prices
- Help customers find realtors and brokerage firms and learn home-buying tips
- Provide virtual tours of houses on sale
- Additional Services:
Appraisals
Neighborhood and school profiles
Financing options
Home-improvement advice
Health Care Web Sites
- Store patient records on the Internet
- Patient information is accessible from one central location - Have potential problems involving information privacy, accuracy, and currency
- Uses - Telemedicine and telepresence surgery
______ use Web sites in campaigns, which are helpful tools for:
Announcing candidates’ platforms
Publicizing voting records
Posting notices of appearances and debates
Raising campaign funds
Political candidates
When it comes to Politics, the Internet has helped:
- Empower voters
- Revitalize the democratic process
- Provide the possibility of legislators to vote on bills via online systems
Intranets
- Network within an organization:
- Uses Internet protocols and technologies for collecting, storing, and disseminating useful information that supports business activities - Used by employees for internal purposes
- Companies also allow trusted business partners to access their intranets - Use Internet technologies to solve organizational problems that have been solved in the past
- Different from a LAN
- Set up behind a firewall
Extranet
- Secure network that:
- Uses the Internet and Web technologies to connect intranets of business partners
Facilitates communication between organizations or between consumers - Considered to be a type of interorganizational system (IOS)
- Examples - Electronic funds transfer (EFT) and electronic data interchange (EDI)
What is an application of an Extranet?
- Timely order-entry processing
2. Federal Express Tracking System
What are some advantages of Extranets?
- Coordination
- Feedback
- Consumer satisfaction
- Cost reduction
- Expedited communication
What is the main difference between the Userbase for Intranet and Extranet?
Intranet is used by Members of an Organization.
Extranet is used by Groups of closely related companies, users, or organizations
Extensible Markup Language (XML)
- Flexible method for creating common formats for information
- Tags represent the kind of content being posted and transmitted
- Prevents confusion by defining data with a context
- Designed to improve interoperability and data sharing between different systems
The Internet2
- Collaborative effort involving more than 200 U.S. universities and corporations
Gigapop
Local connection point-of-presence that connects a variety of high-performance networks
Applications of Internet2
- Learningware
- Digital Library
- Teleimmersion
- Virtual Laboratories
Internet of Everything (IoE)
Web-based development
- People, processes, data, and things are interconnected via the Internet using various means
- RFID devices, barcodes, wireless systems, and QR codes
Internet of things (IoT)
Physical objects that are connected to the Internet and to all the other physical objects
What can the Internet of Everything (IoE) facilitate?
- Automated inventory systems in the retail industry
- Automated and programmable appliances in domestic households
- Road and bridge systems
- Helps solve social problems
Internet of Me (IoM)
Subset Internet that gathers and processes information for a given user from the entire Internet and IoT devices to deliver a personalized experience
____ are considered a type of interorganizational system (IOS)
Extranets
The Internet was Started in 1969 as a project by the U.S. Department of Defense called _____
Advanced Research Projects Agency Network (ARPANET)
