Operating Systems (OS) are the special programs that make computers and devices usable. They allow us to click, open apps, and use keyboards and touchscreens easily.
But computers didn’t always have friendly screens! Let's travel through time and see how operating systems evolved.
In the 1950s, computers were giant machines without screens. People programmed them by connecting wires and using punch cards! 🧵🖨️
In the 1980s, operating systems like MS-DOS and early versions of Windows appeared. Mac computers also started with easy-to-use graphical screens (called GUIs).
In the 1990s, Windows 95 made computers much easier and connected them to the Internet. Linux also appeared — a free system for anyone to modify!
People started to browse, email, and chat online!
After 2000, mobile phones and tablets needed operating systems too. Android and iOS became the two big leaders. 📱
Other special OS appeared, like:
Today, operating systems are everywhere — computers, phones, watches, TVs, and even cars!
⬇️ Complete the quiz to finish the lesson!