O O What is the regular expression that describes the language recognized by this automaton? + ql q2 a(bla) * (ab) * none

Find dfa’s that accept the following languages:(a) L (aa∗ + aba∗b∗).

Which of the following is a regular language?

Write regular expressions for the following languages.1. the set of all alphabetic strings;2. the set of all lower case alphabetic strings ending in a b;3. the set of all strings from the alphabet a, b such that each a is immedi-ately preceded by and immediately followed by a b

Which regular grammar generates the language consisting of strings containing "aba" or "abb"? Options : S -> a | b | aS | bS S -> abS | abbS | ε S -> abaS | abbS | ε none

Which regular grammar generates the language consisting of strings with zero or more occurrences of "a" followed by "b"? Options : S -> ab | aS | ε S -> a | b | aS S -> ab | aS none