Which regular expression generates the language of ALL alternating strings over 2 ={a, b}, including trivial strings such as the empty string or one-character strings?A. a(ba)* + b(ab)* + ɛB. (a+ɛ)(ba)*(b+ɛ)C. (a+b+ɛ)(ba+ab)*2. Including a trap state, how many states are there in the minimum-state DFA for thelanguage over E = {a,b} described by the regular expression (b + bab)* ?А. 5В. 4С.33. Which of the following grammars generates the language (b + bab)* ?A. S - bS | basB. S → E| bS | babsC. S → E| bS | bas | babs4. If M is a minimum-state DFA for some language L with n states and i final states, whatcan be said about the minimum-state DFA M' for the complementary language E* - L?A. M’ will also have n states but with n-i final states.B. M' will have up to n? states and up to i? final states.C. M' will have up to 2ª states and up to 2' final states.5. What is the complement of the language a(a+b)*b under the alphabet E = {a, b}?A. b(a+b)*aB. b(a+b)*a+ɛC. b(a+b)* + (a+b)*a+ ɛ

As per our guidelines only 3 mcqs are answered. So, please repost the remaining questions…

1. Which regular expression generates the language of ALL alternating strings over E = {a, b}, including trivial strings such as the empty string or one-character strings? A. a(ba)* + b(ab)* + ɛ В. (а+8)(ba)*(b+:) C. (a+b+ɛ)(ba+ab)* 2. Including a trap state, how many states are there in the minimum-state DFA for the language over E = {a,b} described by the regular expression (b + bab)* ? А. 5 В. 4 С.3 3. Which of the following grammars generates the language (b+ bab)* ? A. S - bS | bas B. S → 8| bS| babS C. S - 8| bS | baS | babS

1. Which regular expression generates the language of ALL alternating strings over E = {a, b}, including trivial strings such as the empty string or one-character strings? A. a(ba)* + b(ab)* + ɛ В. (а+8)(ba)(b+:) C. (a+b+ɛ)(ba+ab) 2. Including a trap state, how many states are there in the minimum-state DFA for the language over E = {a,b} described by the regular expression (b + bab)* ? А. 5 В. 4 С.3 3. Which of the following grammars generates the language (b+ bab)* ? A. S - bS | bas B. S → 8| bS| babS C. S - 8| bS | baS | babS

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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