How have the Internet evolved?
Started from a collection of mainframe computers located on a few U.S. college campuses to an interconnected network of thousands of networks and millions of computers worldwide
What three phases have the Internet gone through?
- Innovation 1961-1974
- Institutional 1975-1995
- Commercialization 1995-present
Who developed the Web and how?
Dr. Tim Berners-Lee 1989-1991 who created a computer program that allowed formatted pages stores on the Internet to be linked using keywords (hyperlinks)
How do the Internet and the Web make e-commerce possible?
It allows computer users to access products and service information to then complete purchases online
What does the Web 2.0 contain?
Social networks, blogs, podcasts, wikis, music and video services
What three forms can a computing cloud have?
- Public - owned and maintained by large data centers such as IBM. Example is dropbox and google drive
- Private - offers similar to public but only to a single tenant
- Hybrid - where you use your own infrastructure for the most essential core activities and public clouds for less-critical systems
What stands in the following URL?
http://www.megacorp.com/content/features/082602.html
- http = the protocol used to display Web pages
- www.megacorp.com = domain name
- content/features = the directory path that identifies where on the domain Web server the page is stored
- 082602.html = the document name and its formats (an HTML page)
What is indexing?
Indexing is the process that creates a search index i.a. a database with all the words on all pages
What is a crawler?
a search engine program which automatically follows hyperlinks to new pages, gathers all the facts and returns in order to create new indexe’s. This is what google is using to show new websites in the search engine results
How does ranking work?
- Search results are ranked by relevance
- The more search terms found on a page the higher the ranking
- Ranked higher if the searched words are found together than if they are separated
What is trusted feed?
Is when search engines are “okaying” content from trusted sources instead of waiting for the crawler to go out and explore new content. This is a way to get more content without having to wait for it, but it can only come from sources that have been trusted for.
Google is not using trusted feeds
What are the three important Internet Key Technology concepts?
- Packet Switching
- TCP/IP communications protocol
- Client/server computing
What does programmatic advertising mean?
No human contact. Instead the computer is by use of algorithms finding the buyer and fulfilling the purchase
