--- title: "Aparna Singh (@aparnasingh) | Hashnode" description: "Exploring OOP, Web Dev & System Design, DSA. Read the latest articles by Aparna Singh on Hashnode." url: "https://hashnode.com/@aparnasingh" --- @aparnasingh # Aparna Singh @aparnasingh · India · Joined May 2025 Exploring OOP, Web Dev & System Design, DSA ### [Basic Building Blocks of Network Systems](https://thakuraparna.hashnode.dev/basic-building-blocks-of-network-systems?utm_source=hashnode&utm_medium=feed) A computer network is made up of various essential components that work together to enable communication, data transfer, and resource sharing. The main components are: 1. Nodes Nodes are any physical devices connected within a network that can send, ... 5 min read · [thakuraparna.hashnode.dev](https://thakuraparna.hashnode.dev/basic-building-blocks-of-network-systems?utm_source=hashnode&utm_medium=feed) [Aug 3, 2025](https://hashnode.com/posts/basic-building-blocks-of-network-systems/688f800340ed072aed688b4c) ### [Introduction to Computer Networks: Why Should You Care?](https://thakuraparna.hashnode.dev/introduction-to-computer-networks-why-should-you-care?utm_source=hashnode&utm_medium=feed) Discover why understanding networking matters! Join my Networking Daily series for beginner-friendly explanations of key concepts to boost your CN. 4 min read · [thakuraparna.hashnode.dev](https://thakuraparna.hashnode.dev/introduction-to-computer-networks-why-should-you-care?utm_source=hashnode&utm_medium=feed) [May 30, 2025](https://hashnode.com/posts/introduction-to-computer-networks-why-should-you-care/6839983102974a266572de90) ### [Exploring System Design: Day 3](https://aparnathakur.hashnode.dev/exploring-system-design-day-3?utm_source=hashnode&utm_medium=feed) Learn Inheritance & Polymorphism in C++ using real-world analogies like cars and human actions. Includes simple code and beginner-friendly concepts. 6 min read · [aparnathakur.hashnode.dev](https://aparnathakur.hashnode.dev/exploring-system-design-day-3?utm_source=hashnode&utm_medium=feed) [May 14, 2025](https://hashnode.com/posts/exploring-system-design-day-3/6824d367c8aab450d14e438b) ### [Topic: Evolution of Programming – From Machine Language to OOP](https://aparnathakur.hashnode.dev/topic-evolution-of-programming-from-machine-language-to-oop?utm_source=hashnode&utm_medium=feed) Gaining clarity in Abstraction and Encapsulation..... 6 min read · [aparnathakur.hashnode.dev](https://aparnathakur.hashnode.dev/topic-evolution-of-programming-from-machine-language-to-oop?utm_source=hashnode&utm_medium=feed) [May 14, 2025](https://hashnode.com/posts/topic-evolution-of-programming-from-machine-language-to-oop/68249164ac09339c4a9d357d) ### [System Design Basics: A Step-by-Step Guide for Beginners](https://aparnathakur.hashnode.dev/system-design-basics-a-step-by-step-guide-for-beginners?utm_source=hashnode&utm_medium=feed) Explore the difference between DSA-First and Low-Level Design approaches using a real-world case study of building a ride-sharing app like QuickRide. 2 min read · [aparnathakur.hashnode.dev](https://aparnathakur.hashnode.dev/system-design-basics-a-step-by-step-guide-for-beginners?utm_source=hashnode&utm_medium=feed) [May 14, 2025](https://hashnode.com/posts/system-design-basics-a-step-by-step-guide-for-beginners/682480f349b14793b678725d)