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Saturday, May 7, 2011

Tutorial 10 - 3 facts learned

1) I learned that when established stores lose sales to their online catalog, it is called "Channel conflict"
2) I learned that the value-to-weight ratio is the price of an item divided by its weight.
3) I learned that web-only companies are called "dot-com" or "pure dot-com" companies.

Friday, April 22, 2011

Tutorial 9 - 3 facts learned

1) The first version of HTML was created in 1989 by two scientist at CERN who were trying to improve the laboratories document handeling procedures

2) I learned about the comment function in HTML   <!--comment-->

3) I learned the difference between raster graphics (composed of pixels) and vector graphics (composed of paths).

Saturday, April 9, 2011

Tutorial 8 - 3 Facts Learned

1) In this tutorial, I learned about the 3 types of BlueTooth"hacking":

  1. Bluejacking: sending anonymous messages to one Bluetooth enabled device, via another
  2. Bluesnarfing: using special software to gain access to a Bluetooth device, and gain access to its    data
  3. Bluebugging: a hacker gains access to a device and can use it make phone calls, access data, and use the internet

2) I learned that a group of Bluetooth connected devices is called a piconet

3) I learned that BlueTooth was named after a Danish king

Saturday, March 26, 2011

Tutorial 6 and 7 - 6 facts learned

Tutorial 6
1) I learned the difference between 'push' and 'pull' technology.
-Push technology: Content sent to users who request it. Chat, social networks, blogs
-Pull technology: Content pulled to a subscribers computer. Podcasts, newsgroups, etc

2) I learned that 'Usenet' was one of the worlds first large, distributed information databases

3) A distributed information database is a database whose information is distributed to different sites around the world.

Tutorial 7
4) I learned that protection of assets using non-physical means (such as passwords) is known as 'logical security'.

5) A packet flooding attack, or a denial of service (DoS) attack, is the most common necessity attack

6) A clickstream is data stored by a cookie about the links you click while visiting a website

Sunday, March 6, 2011

Tutorial 5 - 3 Facts Learned Blog

1) I learned about Wire Services. Wire Services are also called press agencies or news services. They are organizations that gather and disseminate information to newspapers, magazines, radio stations, and other organizations that pay for the received information.

2) I learned that journal publishers are now using DOIs (digital object identifiers) to identify their content, and assign a location on the web. These DOIs are unique alpha-numeric sequences assigned to journal articles and similar documents.

3) I learned that work created after 1977 is protected by copyright law for the life of the autor, plus 70 years. Works copyrighted by corporations or not-for-profit organizations are protected for 95 years from the date of publication, or 120 years from the date of creation, whichever is first. At this time they are made part of public domain, which means that anyone is free to copy the files without requesting permission. The creator of the work can place it in public domain at any time.

Thursday, February 17, 2011

Tutorial 3 and 4 - 6 Facts Learned Blog

Tutorial 3:
1) I didn't realize that Hotmail was part of Windows Live. "Windows Live Hotmail is a Webmail provider from microsoft that you use to send and receive email."

2) I learned about SkyDrive. "...the file sharing service provided by Windows. This service is called SkyDrive."


3) I learned that Google has placed size/quantity restrictions on their Docs application. No files larger than 500 KB, no more than 5000 documents total.

Tutorial 4:
4) I learned that web robots (aka: bot, spider) are programs that scour the internet to find new websites and update information about old web sites that have already been catalogued. They also delete information about websites that no longer exist.

5) I learned about "stemming", where search engines automatically search variants of a keyword. Example: "Canada" will also return results with the word "Canadian".

6) I learned that converting a natural language question (questions phrased the way we talk to other people) into a search expression (questions phrased in a way to get reliable search results) is called "parsing".

Thursday, February 3, 2011

Tutorial 2 - 3 Facts Learned Blog

1. I learned about the CAN-SPAM (Controlling the Assault of Non-Solicited Pornography And Marketing) Act of 2004. I also learned that it has been mostly affective, but when enforced carries a fine of up to $11,000 for "spammers" who violate its provisions.

2. The main provisions of the CAN-SPAM Act: A) "Unsolicited email must identify the sender," B) "contain an accurate message subject and a notice that the message is an advertisement or solicitation," C)"make it possible for the recipient to 'opt out' of future mailings within 10 days of receipt of the request,"D) "include the sender's physical postal address," E) "prohibit the sender from selling or transferring an email address with an opt out request to any other entity."

3. I learned that virus contain a "virus signature" (also called "virus pattern" or "virus definition") which is a string of characters that is always present in a particular virus. From my understanding, a certain trojan virus will have this 'signature' while a certain strand of a worm virus will have another 'signature'.