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20090909-GatesCircuits

20090909-GatesCircuits - CSE115 Introduction to Computer...

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Click to edit Master subtitle style 2/14/11 CSE115: Introduction to Computer Science I Dr. Carl Alphonce 219 Bell Hall [email protected] 11
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2/14/11 Announcements If this is your first class: print a syllabus from the course website hand in signature form next class Recitations start this week Cell phones off 22
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2/14/11 Today’s lessons A computer is a very simple machine. A computer manipulates voltages Gates are used to control voltage flow Circuits are combinations of gates A flip-flop is a circuit that remembers But first… 33
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2/14/11 Name sign competition Put your signs out! 9:00 AM – Jeff 1:00 PM – Nina 3:00 PM – Alicia 44
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2/14/11 physical vs. logical perspectives Physical reality: Logical view: WIRE Carries a HIGH voltage or a LOW voltage WIRE Carries a 1 or a 0 55
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2/14/11 Idea 66
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2/14/11 Controlling flow 0 77
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2/14/11 Controlling flow 1 88
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2/14/11 Two in a row? 0
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