The History of Computers and the Evolution of CPU Generations – Explained Simply

Computers are part of our everyday lives — from smartphones and smart TVs to cars and even washing machines. But how did these powerful machines come to be? And what makes one computer "faster" or "better" than another? One of the biggest factors is the CPU (Central Processing Unit), also called the “brain” of the computer. Let’s take a journey through the history of computers and understand the generations of CPUs — explained in simple words and with easy-to-grasp real-world examples. 📜 A Brief History of Computers Before diving into CPU generations, let’s understand how computers evolved. 1. The Mechanical Age (Before 1940) These were not electronic computers. Think of things like the abacus or Charles Babbage’s Analytical Engine . They used gears, levers, and hand-cranks — no electricity involved. 💡 Real-World Analogy: Like an old cash register where you press buttons and pull a lever to do the math. ⚡ The Electronic Age and the Birth of G...