---
title: "Discussion on \"How Do Computers Find Things So Fast? Binary Search and the Power of Halving\" | Hashnode"
description: "Discussion on \"How Do Computers Find Things So Fast? Binary Search and the Power of Halving\". You never search a million-item list one item at a time — you throw half of it away, again and again"
url: "https://hashnode.com/posts/how-do-computers-find-things-so-fast-binary-search-and-the-power-of-halving/6af2783ad9e0d4a06bb5ab36"
---

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# [How Do Computers Find Things So Fast? Binary Search and the Power of Halving](https://itsmeminsithu.hashnode.dev/how-do-computers-find-things-so-fast-binary-search-and-the-power-of-halving?utm_source=hashnode&utm_medium=feed)

You never search a million-item list one item at a time — you throw half of it away, again and again

1h ago · 6 min read · itsmeminsithu.hashnode.dev  
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-   [#algorithms](https://hashnode.com/tag/algorithms)
-   [#computer-science](https://hashnode.com/tag/computer-science)
-   [#beginners](https://hashnode.com/tag/beginners)
-   [#how-it-works](https://hashnode.com/tag/how-it-works)
-   [#coding](https://hashnode.com/tag/coding)

## Written by

[Min SiThu](https://hashnode.com/@itsmeminsithu)

@itsmeminsithu · Singapore

  
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Software Engineer

Nubbad Developer. | Now I accidentally create problems.

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