6 a) Consider a finite automaton A= (0,2,8,90, F). Explain the meaning of the elements of the 5-tuple. Explain for both DFA and NFA. b) Identify the elements of A from the following state diagram. 1 10 c) Explain the language of the automaton of above diagram. d) Design an NFA to recognize abc, abd and aacd over the alphabet (a, b, c, d}