Practice Library

All MCQs

Browse exam-wise, subject-wise, and country-wise MCQs with explanations.

A student is revising alphabet. Which explanation should be selected?

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In an automata or formal-language problem, which option best represents alphabet?

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Which statement correctly describes alphabet?

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What is meant by alphabet in Theory of Automata and Formal Languages?

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A student is revising formal language. Which explanation should be selected?

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In an automata or formal-language problem, which option best represents formal language?

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Which statement correctly describes formal language?

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What is meant by formal language in Theory of Automata and Formal Languages?

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A student is analyzing NoSQL. Which statement about document database is correct?

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Which option best describes the use of document database in a database system?

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In Advanced DBMS, what is meant by document database?

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