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Question detail

What is a collision in a hash table?

Try the question, check the answer, then read the explanation to understand the curriculum point.

At a glance

MCQ

Type

practice

Style

Topic

Hash tables

Exam-style question

Try this first

What is a collision in a hash table?.

  1. A.When a key has no value
  2. B.When two key values compute the same hash
  3. C.When two values are stored in different tables
  4. D.When a hash table is empty

Model answer

What a good answer should say

  • When two key values compute the same hash

Explanation

Why this works

A collision occurs when two key values compute the same hash.

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