Answer:
i) If you see the strings accepted by this machine they have at least two b's in them.
{bb,abb, bab,bba,bbb, aabb, baab, bbaa,bbab,bbba,bbbb......}
This machine accepts all the string which have at least two b's in them. So this is machine which accepts at least two b's.
ii) The Grammar for this language can be written as,
iii) The Regular expression corresponding to this machine is given by,
1) At state S0 we can have any numbers of a so
2) One b at state S1 and then any no of a so
3) At S2 one b and then any number of a or b so
So the regular expression representing this machine is
iv) The strings accepted by this machine are as follows:
{bb,abb, bab,bba,bbb, aabb, baab, bbaa,bbab,bbba,bbbb......}
and the string rejected by this machine are {a,b,ab,ba} any string which have less than 2 b's in them
Figure 4/ Rajah 4 (20/100) (e) Consider the machine Moore M shown in Figure 5. The...
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