final-sample - CSci 1001 Spring 2009 Final Exam Standard...

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CSci 1001 — Spring 2009 Final Exam: Standard Version NAME: Time: 2 hours. Please show your work. Open book and note; however, electronic devices are not allowed. Please note there are 9 questions in all. Do well. (1) [8 points] Mark each of the following as true or false. You do not need to explain your answer. (a) One application mentioned by Prof. Keefe during his guest talk was the ARCHAVE. This is a virtual library that allows a user to walk around virtual bookshelves, and select and read digitized books. (b) Python has built-in functions that allow a program to read text from web pages. (c) One reason computer games are important is they have spurred advances in computer graphics, human-computer interaction, and computer architecture. (d) The binary search algorithm is an example of a O (log n ) algorithm. 1
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(2) [20 points] (a) Which of the following are possible rotation -based encryptions of the plaintext message “def”? Circle all that are possibilities. “rst” “fed” “rgb” “zab” (b) The Sony vs. Universal City Studios case involved which of the following? Circle all that are true. Whether it’s legal for people to post copyrighted material to YouTube. Whether VCRs are legal. Whether it’s legal for Internet Service Providers to penalize users who download large amounts of material on the Internet. Whether the U.S. government can regulate Internet domain names. (c) Which of the following are true about how information is transmitted over the Internet? Circle all that are true. A single file is usually broken into a number of small “packets” for transmission. Only one person can download information from a site at a time. So from the time the user starts downloading a file from a site, to the time that site gets an acknowledgement that the file has been successfully downloaded, no other user may access that site. Data usually passes through intermediate sites on its way from the sending site to the receiving site; however, the number of intermediate sites involved is usually quite small — usually only one or two. In the connection structure of the Internet, it is rare for one switching node to be connected to another.
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