How Computers Think: Inside the CPU

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About Course

Please note that this course has the following prerequisites which must be completed before – Let’s Find Out How Computers Work

If you do not do the prerequisite, it will be difficult for you to do this course.

In this course, you will explore the mysterious, powerful “thinking part” of a computer — the CPU.

You will find out how it follows instructions, does math, makes decisions, and keeps things running super fast and smart, all using tiny parts and electricity.

Step by step, we’ll reveal how a CPU is built and how it thinks.

What Will You Learn?

  • Understand what a CPU really is and why it matters in every computer.
  • Tell the difference between the CPU, RAM, and storage.
  • Explain how instructions are fetched, decoded, and executed step by step.
  • Describe how the CPU does math and makes decisions using logic gates.
  • Understand how the CPU talks with memory, storage, and other parts.
  • See how buses and pathways carry information around inside the computer.
  • Recognize how modern CPUs get faster with multiple cores and pipelining.
  • Compare different CPU designs (like RISC, CISC, ARM, and RISC-V).
  • Explain why CPUs need cooling, and what happens if they overheat.

Course Content

Part 1: What Does the CPU Really Do?
What Is a CPU and Why Is It So Important? The Difference Between RAM, Storage, and the CPU What Happens When You Click a Button on Your Computer?

Part 2: Now Let’s Dive Into the CPU.
Let’s open the brain of the computer and peek inside!

Part 3: How Instructions Are Followed
Show how the CPU fetches, decodes, and runs instructions using a simple loop.

Part 4: How the CPU Does Math and Logic

Part 5: How the CPU Talks to Memory and Storage
This part will explain how the CPU and memory are like two people trying to talk across a busy room — and why the CPU needs clever helpers like RAM and cache instead of going straight to the hard drive.

Part 6: Paths and Highways: How CPUs Talk to Everything
So far, we’ve learned how the CPU works with RAM, cache, and storage. But the CPU doesn’t live alone — it has to talk to memory, graphics cards, USB sticks, and more.

How CPUs Are Getting Faster and Smarter
Now: Let’s zoom into what makes modern CPUs so much faster.

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