hi, i need help with this problem draw the state diagram for each of the following a. the output is 1 if and only if the present input is 0,

hi, i need help with this problem

"draw the state diagram for each of the following

a. the output is 1 if and only if the present input is 0, and the number of consecutive 1s that immediately precede this bit is one or four.

b. the output is 1 if and only if the last four input bits are 0110 and the total number of 0s read thus far in the (entire) input string is even."