Discussion-09-29-10

Discussion-09-29-10 - CS 132 Discussion Sep 29 2010 TA Info...

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CS 132 Discussion Sep. 29, 2010
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TA Info Mehryar Rahmatian [email protected] Office hours Mon 11:00 am - 12:00 pm DBH 3081
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Discussions Mandatory! Will affect your grade Used for homework/midterm review Administrative/grading issues Topics not covered in lecture E.g., Background knowledge, some algorithm in details, etc. Substitute lecture
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This week’s discussion 11am-11:50am (9/29/10) Administrative issues (web) Binary division and CRC 11am-11:50am (10/01/10) Shortest path algorithm
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Web http://www.ics.uci.edu/~cs132/ Check for announcements regularly ! Syllabus and instructions/guidelines are now posted Lecture notes are now posted Tentative Final Date: Fri, Dec 10,1:00-3:00pm
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Binary division and CRC No physical link is perfect Bits will be corrupted We can either: detect errors and request retransmission or correct errors without retransmission Error detection: Parity bits Polynomial codes or checksums
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Parity bits: Example 00010101 even 01111 even 11111111 odd 10011 odd Transmitted Sequence Parity Parity Bit
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Discussion-09-29-10 - CS 132 Discussion Sep 29 2010 TA Info...

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