Manrahul's Blog: Insights and Inspiration for All

Interrupts vs Exceptions vs Signals

What Actually Stops Your Code and Why At some point, every program gets interrupted. Sometimes it’s hardware.Sometimes it’s the CPU […]

When you write an if statement, it looks simple.Check a condition, choose a path, move on. For the CPU, that

The Basic Idea: CPUs Don’t Do One Thing at a Time If a CPU fully finished one instruction before starting

When we write code, we usually think the CPU just “reads from RAM” and executes instructions. That’s technically true, but

Stack and Heap Memory? Let’s say Chomu is writing a to-do list app. One fine day, it crashes—and he’s clueless.

Imagine walking into a massive, ancient library—no shelves, no labels, just piles of books scattered everywhere. Some are under tables,

When we talk about computer memory, most people think of RAM. Some might even go a step deeper and mention

In this guide, we’ll take a slow, meaningful walk through what a web server really is. We’ll explore how it

Have you ever wondered what actually happens behind the scenes when you copy and paste something? It feels like magic—one

Introduction – Memory Isn’t Just RAM – It’s the Lifeline Imagine trying to cook dinner while forgetting where you kept