Blog #2- Classifying objects and concepts (from 3400 B.C. to modern) as digital or not digital.
If you think digital technology started with computers, you’re wrong, the idea of “digital” goes back thousands of years before modern technology. To classify something as digital, it must use discrete symbols like something countable and structured. One of the earliest examples of this is writing systems from around 3400 B.C. Letters and symbols represent ideas in a fixed way, which makes them digital. Even though they were written by hand, the system itself is still digital because it uses defined symbols. Fast forward to the telegraph in the 1800s, and we see another major step. Morse code is a perfect example of digital communication. It uses dots and dashes that are clear and distinct signals to represent letters. This made communication much faster than sending physical letters, which could take days or even months. Messages could now travel almost instantly along wires, especially between major cities. Then came the telephone, which is mostly analog. It sends continuous sound waves over long distances. The problem was that the farther the signal traveled, the worse it got due to noise and signal loss. This shows one of the main limitations of analog systems. As technology continued to develop, communication shifted more toward digital systems. Early cell phones had poor quality, but over time, we moved from 1G to 5G, with each generation improving speed, clarity, and reliability. Digital systems made it possible to reduce noise, encrypt calls, and send data over the internet. Another interesting way to classify digital vs. analog is through everyday examples. Music notes are digital, because they are structured and defined, but a live performance is analog. Even art can be thought of this way. A painting like The Night Watch exists physically, but a digital copy represents it using data. Looking across history, it’s clear that “digital” isn’t just modern—it’s a way of organizing information that humans have been using for thousands of years. What’s changed is how fast, powerful, and widespread those systems have become.