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Information retrieval systems MCQs

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1. : What is the primary purpose of an Information Retrieval System?





2. : Which of the following is NOT a component of an Information Retrieval System?





3. : The term “information retrieval” was first coined by:





4. : What is a document surrogate?





5. : Which of the following is an example of an Information Retrieval System?





6. : The key process of an Information Retrieval System is:





7. : The effectiveness of an Information Retrieval System is measured by:





8. : Precision in Information Retrieval refers to:





9. : Recall in Information Retrieval refers to:





10. : Boolean retrieval uses which operators?





11. : The model that represents documents and queries as vectors in a multi-dimensional space is called:





12. : In the Vector Space Model, the similarity between documents and queries is measured by:





13. : Which model assumes that the probability of relevance can be estimated?





14. : Which component of an IRS is responsible for storing document representations?





15. : What is an inverted file in Information Retrieval?





16. : In a Boolean search, “AND” operator retrieves:





17. : Relevance feedback in an IRS helps to:





18. : OPAC stands for:





19. : A thesaurus in Information Retrieval is used for:





20. : The ranking of documents in an IRS is generally based on:





21. : Stop words in Information Retrieval are:





22. : Stemming in Information Retrieval means:





23. : An example of an Information Retrieval software is:





24. : Which retrieval model uses probabilities to determine relevance?





25. : The query formulation process involves:





26. : Term Frequency (TF) means:





27. : The main advantage of full-text retrieval systems is:





28. : Natural Language Processing (NLP) in IRS helps in:





29. : In modern retrieval systems, ranking algorithms are used to:





30. : The main challenge in Information Retrieval is:





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