Tagged "Computer basics"

What is a cache? How does it work, and why is it important? Caches are used everywhere in our modern devices. It's found in many hardware components and throughout software. The goal of caching is ...
How does a computer know how to reach youtube.com? This domain name needs to be translated to an IP address and that's where DNS comes in. Let's learn how it works! The Domain Name System is an imp...
My first laptop lost track of time, so that got me thinking: how do computers keep track of time? Can they do it forever? And why don't they lose track of time when we turn them off? Turns out the ...