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digital logic - Why does the output of NOT gate (in a 74LS04 IC) equal to one when the input wire is not connected to anywhere? - Electrical Engineering Stack Exchange
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Amazon.com: Aexit 3Pcs 74LS04 DIP Switches 14-Pin Dual Row DIP Through Hole Hex Inverter SP3T DIP Switches IC Chip : Industrial & Scientific
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