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You are designing a spell-checking system for a word processing application. You need to efficiently store and retrieve a large dictionary of words with their associated data. Which data structure would you choose, and why?a)A symbol table implemented as a hash table, because it provides fast lookups for a large dataset.b)An array, because it allows for constant-time lookups.c)A linked list, because it can efficiently manage collisions.d)A binary search tree, because it ensures data is sorted alphabetically

Question

You are designing a spell-checking system for a word processing application. You need to efficiently store and retrieve a large dictionary of words with their associated data. Which data structure would you choose, and why?a)A symbol table implemented as a hash table, because it provides fast lookups for a large dataset.b)An array, because it allows for constant-time lookups.c)A linked list, because it can efficiently manage collisions.d)A binary search tree, because it ensures data is sorted alphabetically

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Solution

The most suitable data structure for this scenario would be a) A symbol table implemented as a hash table. The reason for this is that hash tables provide fast lookups for large datasets.

In a hash table, an element's key is used to determine its position in the table. This allows for constant time average complexity for search operations, making it highly efficient for large datasets like a dictionary of words.

While arrays also allow for constant-time lookups, they are not as efficient when the dataset is large and when there are many insert and delete operations, as these operations can be costly.

Linked lists, on the other hand, are not suitable for this scenario because they do not provide fast lookups. Searching for an element in a linked list takes linear time.

Lastly, a binary search tree, while it ensures data is sorted, does not provide as fast lookups as a hash table. Searching in a binary search tree takes logarithmic time in the worst case.

Therefore, a symbol table implemented as a hash table would be the best choice for designing a spell-checking system for a word processing application.

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Similar Questions

You are designing a spell-checker application that uses a hash table to store a large dictionary of words. Which collision-resolution technique would you choose for this application, and why?a)Linear probing, for its simplicity and ease of implementation.b)Separate chaining, for its ability to handle a large number of words efficiently.c)Quadratic probing, for its deterministic probing sequence.

Which of the following is true about hash tables?Group of answer choicesThey are not suitable for implementing dictionaries or associative arrays.They are efficient for searching, insertion, and deletion.They are sorted data structures.They guarantee constant time operations for all operations.

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Which data structure is known for its efficient time complexity but often consumes a lot of memory space?ALinked ListBHash TableCStackDBinary Search TreeSubmit Answer

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