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Recurring Principles (RSS)
About Recursion Recursion is a central idea in computer science and in almost all of the sciences. While I did not cover recursive algorithms in UIT2201 this semester (too many things to do, not enough time to do everything), I cover the ideas of recursion
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Tutorial 7: 13-Mar-2008; (quick, personal summary) In Tutorial 7, we discussed how to build logic circuits -- either from a truth table or from a logic formula. We also learn about simplifying logic formula (using the various logic laws) and how that
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Lecture 8: 11-Mar-2008 (quick, personal summary) In lecture 8, we continued with logic circuits and talked about the abstraction that turned boolean logic into basic logic gates. We also talked about logic laws that can be used to simplify logic formulae
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Lecture 7: (quick, personal summary) In lecture 7, we start a new journey -- about how to built general purpose computers, or at least the basics of it. The journey starts with binary system, and its use to encode/store numbers, text, sound, pictures
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Tutorial 5: 21-Feb-2008; (quick, personal summary) Tutorial 5 is all about databases and query processing. I use it to illustrate the difference between declarative query (like SQL) and procedural query (as done via e-project, e-select, and e-join). Declarative
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