Question $2[25]$

$2\mathrm{.}1$ Draw a transitional diagram for recognizing key words and identifiers

$2\mathrm{.}2$ Given that $=\{a,b\}.$ Draw a transitional graph for an NFA to recognize the following expression

$(0|1{)}^{**}011$

$2\mathrm{.}3$ Convert the following NFA to DFA