"Explain how a CPU works to someone non-technical"

A CPU is basically a very fast, very stupid calculator that follows instructions perfectly. Imagine someone who can do simple math incredibly fast—millions of problems per second—but can only do exactly what you tell them, step by step. 'Take this number. Add 5. Save the result. Compare it to that number. If it's bigger, go to step 47.' That's what a CPU does. Every program you run—Word, Chrome, games—is just a list of these simple instructions. The 'speed' of a CPU (3 GHz means 3 billion cycles per second) is basically how many of these tiny steps it can do per second. The magic isn't that CPUs are smart. It's that doing billions of dumb things per second produces results that look smart.

Think of a CPU as the brain of your computer. **What it does:** - Receives instructions from programs - Processes those instructions one step at a time - Does math and makes decisions - Sends results back **How it works (simplified):** 1. **Fetch**: Gets the next instruction 2. **Decode**: Figures out what the instruction means 3. **Execute**: Does the work (math, comparison, etc.) 4. **Store**: Saves the result **Speed**: Modern CPUs do this billions of times per second (GHz = billion cycles/second) **In everyday terms**: When you click something, the CPU is following millions of tiny instructions to make that click do something. It's incredibly fast but only follows exact instructions—it doesn't think for itself.

A CPU is the brain of a computer. It follows instructions from programs step by step, very quickly. Each instruction is simple - add these numbers, compare those values, save this result. It does billions of these tiny steps per second, which is what makes computers fast.