---
title: "Discussion on \"Introduction to Computer Networks\" | Hashnode"
description: "Discussion on \"Introduction to Computer Networks\". How Digital Communication Really Works"
url: "https://hashnode.com/posts/introduction-to-computer-networks/6a031369937b84f7796fdfd9"
---

[Feed](https://hashnode.com/feed) /

Discussion

# [Introduction to Computer Networks](https://violacordis.hashnode.dev/introduction-to-computer-networks?utm_source=hashnode&utm_medium=feed)

How Digital Communication Really Works

May 12 · 8 min read · violacordis.hashnode.dev  
Read the article

-   [#computer-networking](https://hashnode.com/tag/computer-networking)
-   [#network](https://hashnode.com/tag/network)
-   [#network-security](https://hashnode.com/tag/network-security)
-   [#networking-for-beginners](https://hashnode.com/tag/networking-for-beginners)
-   [#networking](https://hashnode.com/tag/networking)
-   [#networkingforbeginners](https://hashnode.com/tag/networkingforbeginners)
-   [#computernetwork](https://hashnode.com/tag/computernetwork)
-   [#networksecurity](https://hashnode.com/tag/networksecurity)

## Written by

[Ikem Ada](https://hashnode.com/@Violacordis)

@Violacordis · Nigeria

  
[View profile](https://hashnode.com/@Violacordis)

Software Engineer

I am a Software Developer from Lagos, Nigeria.

## Responses 1

Markdown supported · ⌘↵ to post

[Dante Brekke](https://hashnode.com/@sparkleracidic)

[Oct 28](https://hashnode.com/posts/introduction-to-computer-networks/6a031369937b84f7796fdfd9/comment/6ae1a2a504a11f35a0fcebc1)

Wow, what an eye-opening read! I didn't realize how complicated query optimizers were to figure out the optimal plan for database queries. Your explanation of cost estimation and cardinality is both fascinating [blockblast](https://blockblast-2.io/) and easy to understand.