Tech Random

A collection of useful articles and guides.

The Story of the Xerox Alto
June 11, 2025

The Xerox Alto, developed at Xerox PARC in 1973, was arguably the most influential computer that almost nobody owned. While never sold commercially, this revolutionary …

The OSI Model Explained Simply
June 11, 2025

The Open Systems Interconnection (OSI) model is a conceptual framework that standardizes how different networking protocols and technologies interact. Created in the 1980s, it divides …

The History of the C Programming Language
June 11, 2025

The C programming language emerged from Bell Labs in the early 1970s, created by Dennis Ritchie as an evolution of the B language. Its development …

What is a 'Headless' CMS?
June 11, 2025

A headless Content Management System decouples content creation and storage from content presentation, providing content through APIs rather than rendering web pages directly. Unlike traditional …

The Concept of Idempotence
June 11, 2025

Idempotence is a crucial concept in distributed systems and API design, referring to operations that produce the same result whether executed once or multiple times. …

The Origin of the Term 'Bug'
June 11, 2025

The term "bug" for a computer glitch has a fascinating history that predates electronic computers. While many know the story of Grace Hopper finding a …

How DNS Servers Work
June 11, 2025

The Domain Name System (DNS) is often called the phonebook of the internet, but this analogy understates its complexity and importance. Every time you type …

The P vs NP Problem
June 11, 2025

The P versus NP problem stands as one of the most important unsolved questions in computer science and mathematics. At stake is nothing less than …

What is a Turing Machine?
June 11, 2025

A Turing machine is a theoretical model of computation invented by Alan Turing in 1936 that captures the fundamental essence of what it means to …

Moore's Law Explained
June 11, 2025

Moore's Law, coined by Intel co-founder Gordon Moore in 1965, observed that the number of transistors on a microchip doubles approximately every two years while …