Assignment 4 - After reading Chapter 5, post to your blog 3 facts you learned from the chapter. Tell the fact, definition, or explain what you learned.
Fact 1 - I learned that JPEG and MPEG file formats both lose quality due to compression. This results in the reduction of graphic quality for JPEG files and video quality for MPEG files.
Fact 2 - I learned that musical instruments are usually recorded in MIDI format to easily manipulate that sound characteristics of individual instruments to produce a precise sound. The WAV format is normally used when recording music to CDs to produce higher quality sound.
Fact 3 - I learned that in the United States after 1977, the copyright law protects individual works for the life of the individual plus 70 years. Copyrighted works by corporations and nonprofit organizations are protected for 95 years from publication date or 120 years from the creation date. Once the copyright has expired, the files can be copied from the public domain freely without the permission of the source.
Wednesday, February 23, 2011
Tuesday, February 8, 2011
Chapter 3 and 4 Highlights - 6 Facts Learned Blog
Assignment 3 - After reading Chapter 3 and 4, post to your blog 3 facts you learned from each chapter. Tell the fact, definition, or explain what you learned.
Chapter 3
Fact 1 - I learned that a printer-friendly version of a message excludes content, such as ads and links.
Fact 2 - I learned that Windows Live provides free Web-based services to account holders to allow file and photo sharing. Windows Live also presents an opportunity to manage an online profile to create a network of friends.
Fact 3 - I learned that Gmail is made free to users by adding advertisements to email messages in the form of targeted advertisements. Targeted advertisements are added to the user's message based on keywords included in the message.
Chapter 4
Fact 1 - Web search tools consists of four broad categories of sites that can be used individually or in combination to accomplish a Web search strategy. The four broad categories of sites that include Web search tools are search engines, directories, metasearch engines, and Web resources such as Web bibliographies.
Fact 2 - I learned that a metasearch engine searches the database's of multiple search engines for a possible match or hit in response to a user query. This Web search tool prevents a user from searching multiple search engines separately when a query can go unmatched from numerous databases.
Fact 3 - I learned that some search engines provide a clustering feature that serves as a filtering effect to group the hits in to categories. This feature is helpful because a query can have multiple definitions and the categories provide a way to narrow down a search from thousands or millions.
Chapter 3
Fact 1 - I learned that a printer-friendly version of a message excludes content, such as ads and links.
Fact 2 - I learned that Windows Live provides free Web-based services to account holders to allow file and photo sharing. Windows Live also presents an opportunity to manage an online profile to create a network of friends.
Fact 3 - I learned that Gmail is made free to users by adding advertisements to email messages in the form of targeted advertisements. Targeted advertisements are added to the user's message based on keywords included in the message.
Chapter 4
Fact 1 - Web search tools consists of four broad categories of sites that can be used individually or in combination to accomplish a Web search strategy. The four broad categories of sites that include Web search tools are search engines, directories, metasearch engines, and Web resources such as Web bibliographies.
Fact 2 - I learned that a metasearch engine searches the database's of multiple search engines for a possible match or hit in response to a user query. This Web search tool prevents a user from searching multiple search engines separately when a query can go unmatched from numerous databases.
Fact 3 - I learned that some search engines provide a clustering feature that serves as a filtering effect to group the hits in to categories. This feature is helpful because a query can have multiple definitions and the categories provide a way to narrow down a search from thousands or millions.
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