Sharing notes from my ongoing learning journey — what I build, break and understand along the way.
Inside the CPU: The 4 Steps of the Instruction Cycle As I continue learning how computers work at their core, one fundamental concept I’ve come across is the Instruction Cycle, also known as the Fetch–Decode–Execute–Store (FDES) cycle. This cycle is…
How Computer Memory Works — From CPU Registers to Disk Swap Since I’ve started learning how computers actually work under the hood, one of the topics that completely changed how I see system performance is something called the Memory Hierarchy.…
How Computers Understand 1s and 0s: Binary System, Character Encoding, and Logical Operations We’ve all heard that computers work with 1s and 0s, but what does that actually mean? What do those 1s and 0s represent? How do letters turn…
Everything I need to learn, understand, and master to become a Cybersecurity Expert Why I Built This Roadmap Over the past few months, I’ve been diving deep into the world of cybersecurity and quickly realized how massive and layered this…
How I Discovered the Hidden Power of System Logs While researching security-related topics, I kept coming across the term “logs.” I didn’t quite understand what made them so important at first. I thought logs were just boring text files the…
My First FastAPI Project Today, I built my first working web project using FastAPI. I’m sharing the whole process step-by-step — what I did, what issues I encountered, and how I learned. First, I Installed Visual Studio Code While installing…
What Is OAuth 2.0? A Deep Dive into the Authorization Protocol Not long ago, I tried to implement Google OAuth login in one of my own web projects.Although I haven’t fully succeeded yet, the process pushed me to deeply understand…
What Are IDS and IPS? My Deep Dive into Real Network Protection Recently, I’ve been going deeper into network security, and two concepts kept popping up that I didn’t fully grasp at first: IDS and IPS.As I started exploring them,…
Understanding File Systems in Windows: NTFS, FAT32, exFAT Lately, I’ve been diving into system-level concepts like disk structure, terminals, and file management.As I learned more about files, folders, and command-line basics, I realized there’s an underlying structure behind all of…
My Journey with PowerShell: Getting Comfortable with Folders, Files, and the Terminal When I first opened the PowerShell terminal, the plain blue screen looked serious — and frankly, intimidating. But I had a clear goal:I wanted to learn how to…