Western Governors University (WGU) ICSC2100 C949 Data Structures and Algorithms I Practice Exam

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What is the result of the hash function key % 10 for a given key?

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The result of the hash function key % 10 for a given key produces values within a specific range based on modulo arithmetic. When you calculate key % 10, the output will be the remainder when the key is divided by 10. This remainder can only be one of the values from 0 up to, but not including, 10.

Since the possible remainders for this operation are 0 through 9, it means that the function effectively maps any integer key to an index within this range. Thus, the output of the hash function will create indices that correspond to the values from 0 to 9, making this the correct interpretation of the result of the given hash function.

Therefore, the correct answer reflects that when working with a hash function defined in this way, it systematically compresses a potentially infinite range of input keys into a fixed-size array or structure with indices limited to this range.

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