transistors as digital switches: intro to logic gates circuits that really count
TRANSCRIPT
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Transistors as Digital Switches: Intro to Logic Gates
Circuits that really count
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Operation in Saturation and Cutoff
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Binary/Digital Representation
Digital “1” = +5 V = high
Digital “0” = 0 V = low
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Inverter (NOT logic gate)
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NAND gate
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Design an OR gate
A B Y
0 0 0
1 0 1
0 1 1
1 1 1
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NOR gate
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Exclusive OR (XOR)
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Logic Gate Library
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Digital combos
Green LED illuminates when proper code is entered. Ready, set crack the code!
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And now, your joke of the day
There are only 10 types of people in the world. Those who understand binary, and those who don’t.
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Images and Data From:
http://www.spsu.edu/cs/faculty/bbrown/web_lectures/transistors/
http://pcbheaven.com/scripts/imagepresent.php?filename=%2Fwikipages%2Fimages%2Ftransistorcircuits_1235488532.jpg
http://cpuville.com/logic_gates.htm
http://thalia.spec.gmu.edu/~pparis/classes/notes_101/node115.html
http://www.cs.uakron.edu/~margush/465/03_digitallevel.html
http://faculty.kfupm.edu.sa/COE/ashraf/RichFilesTeaching/COE022_200/Chapter4_1.htm