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DEC System Module

A DEC System Modules (originally known as System Building Blocks; the name was changed around 1961) are a DEC modular digital logic family which preceded FLIP CHIPs. They connect to the units they are plugged into via a set of 22 gold-plated discrete pins along one edge.

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DEC System Module

Nodes17
Edges16
Triples2
Avg. degree1.88
Density0.117647
Components1

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modules logic system digital output transistor use design gates capacitor-diode one transistors dec resistor 1961 input family avoid core memory

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SubjectPredicateObjectConfidenceSrc
Input/Outputinstance ofspecial modules were available for purposes0.80text
those illustrated here all use fiberglass-epoxy printed circuit boards.System Modules are powered frominstance ofLater examples0.80text

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