How Storage Works | HDD, SSD & Filesystems Explained | CS Fundamentals in Hindi #14

Jab hum computer mein koi file save karte hain, toh actually andar kya hota hai? Is video mein hum samjhenge ki computers data ko permanently kaise store karte hain, aur HDD, SSD aur filesystem ka role kya hota hai. We will cover: Memory vs Storage Persistent storage How data is physically represented How HDDs store data Platters, tracks and sectors How SSDs store data NAND Flash HDD vs SSD Files and directories What a filesystem does Blocks and sectors How data is read and written Application → OS → Filesystem → Storage Why storage is slower than RAM What actually happens when you delete a file We'll keep everything high-level and language-agnostic, focusing on the fundamental concepts rather than implementation details. This is Video #14 of the Computer Science Fundamentals course in Hindi, part of Part 2 — Computer Architecture.