https://xn--80abla7dhnr.xn--p1ai/2-%d0%bf%d0%be-%d1%81%d0%bf%d0%be%d1%81%d0%be%d0%b1%d1%83-%d0%b2%d0%be%d1%81%d0%bf%d1%80%d0%b8%d1%8f%d1%82%d0%b8%d1%8f-%d1%81%d0%b8%d0%b3%d0%bd%d0%b0%d0%bb%d1%8b-%d0%bf%d0%be%d0%b4%d1%80%d0%b0%d0%b7/
По способу восприятия сигналы подразделяются ?