Transistors

Transistors - CE1 - Hands-on Computer Engineering...

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CE1 - Hands-on Computer Engineering
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Transistor: building block of computers Microprocessors contain tons of transistors AMD 6-core Opteron (2009): 904 million Intel Core i7 Quad (2008): 731 million Intel Core 2 Duo (2006): 291 million Intel Itanium 2 (2003): 220 million Intel Pentium 4 (2000): 42 million IBM PowerPC 750FX (2002): 38 million IBM/Apple PowerPC G5 (2003): 58 million Intel 4004 (1971): 2300
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“The number of active components per chip will double every 18 months.”
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A switch, which can close between the source and the drain Changing the voltage of the gate lets you change the current flow between the source and drain (closing or opening the switch)
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If a CPU die were as big as this whole classroom… A transistor would be…
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Logically, each transistor is used as a switch Combined to implement logic functions AND, OR, NOT Combined to build higher-level structures Adder, multiplexer, decoder, register, … Combined to build a processor LC-3, Core 2 Duo, etc
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Transistors - CE1 - Hands-on Computer Engineering...

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