https://ro.khanacademy.org/computing/c9-tic/x6b3d38fbe5827ac7:componente/x6b3d38fbe5827ac7:functioanrea-calculatoarelor/a/logic-gates 2026-02-07T13:35:46.134882235Z Porți logice article https://ro.khanacademy.org/computing/c9-tic/x6b3d38fbe5827ac7:componente/x6b3d38fbe5827ac7:functioanrea-calculatoarelor/a/logic-circuits 2021-04-30T02:38:05Z Circuite logice article