Minimum number of Flip Flops required [closed]

Question

A traffic signal cycles from RED to YELLOW, YELLOW to GREEN, GREEN to RED. In each cycle RED is turned on for 100 seconds,YELLOW is turned on for 40 seconds and GREEN is turned on for 80 seconds. The traffic signal has to be implemented using FSM. The only input to FSM is clock of 10 seconds period.The minimum number of Flip Flops required to implement this FSM is …….

Comments

1. https://gateoverflow.in/288034/madeeasy-test-series-digital-logic-flip-flop