Are there any steps or rules to draw a DFA?
In my first lecture of "Theory of Automata", after giving some concepts of Alphabet, Language, transition function etc. and a couple of simple automata of an electric circuit with one and two switches, is this question.
I understand what an Alphabet as well as the Language of a DFA is, but are there any rules or steps to followed to reach a correct automaton for a given Language? Or we just have to imagine and think in our mind and get to a solution which satisfies the given Language?
Note:- Please keep your language as simple as you can, since this is my first lecture and I am not yet aware of concepts like regular expressions or any other thing in the subject for that matter.
If you are given a description of the language in words, say, think about all the possible strings that can apply to this language. Then, try to come up with a DFA that handles most of the strings. Then look into the boundary conditions and generate some strings. Try to accommodate it in the DFA. This might be a good starting point for you
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