Defined term
PCOS (precinct Count Optical Scan)
PCOS (precinct Count Optical Scan): PCOS units are optical scan voting machines that are specifically designed and used for precinct-based vote tabulation.
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Election Administration
Definition
PCOS units are optical scan voting machines that are specifically designed and used for precinct-based vote tabulation. PCOS units are used in polling places in jurisdictions in 40 states.
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America's Voting Machines at Risk
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