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Theory of Computation (Automata)

Select the correct name for: an operation on a set of symbols or strings that produces the set of all possible concatenations, including the empty string.

Difficulty: Hard

About this MCQ

This Hard Theory of Computation (Automata) question asks: Select the correct name for: an operation on a set of symbols or strings that produces the set of all possible concatenations, including the empty string. The correct choice is A. Kleene star. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.

Theory of Computation (Automata) items like this one are written for Pakistan exams such as CSS, FPSC, PPSC, and NTS. The difficulty label is a hint about how much of the topic the stem assumes, not a score. Tags and exam names, when they are present, tell you where else the same idea is tested. Previous and next links stay in Theory of Computation (Automata) so you can continue the subject. Related questions point at nearby stems if you want another angle on the same idea.

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Correct answer

A. Kleene star

Explanation

Kleene star (option A) is the accepted answer to “Select the correct name for: an operation on a set of symbols or strings that produces the set of all possible concatenations, including the empty string.”. Option B (DFA-NFA equivalence) does not fit this question. Option C (Universal Turing machine) does not fit this question. Option D (Epsilon transition) does not fit this question. For this Theory of Computation (Automata) question, the accepted answer is Kleene star.

Source: Theory of Computation (Automata) Official Reference Guide

Tags: computer science, automata theory, theory of computation, formal languages

Submitted by: MCQsHub Editorial

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