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?
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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.
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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.
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How Computers Think: Inside the CPU

🔍 Can you solve this?

Let’s stop talking and start building! You’re about to learn how switches can be connected to form a thinking machine.

We’ll start with the AND rule—because it’s like a team. Everyone must agree before something happens.

 

🛠️ What’s an AND Gate?

It’s a logic piece that says:

“Only turn ON the light if both switches are ON.”

Imagine:

  • Switch A controls one wire

  • Switch B controls another wire

  • The wires join together and go to a bulb

If:

  • A is ON, but B is OFF → ❌ no light

  • B is ON, but A is OFF → ❌ no light

  • A is ON and B is ON → ✅ light!

 

💭 Why Is This Useful?

This lets computers check two things at once:

  • “Is this person logged in AND did they enter the right password?”

  • “Is the rocket full AND are the doors closed?”

Both must be true to go forward.

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