🧩 What’s Hiding Inside That Box?

🧠 Why This Lesson Matters

A computer might look like a box or a screen…
…but inside, it’s a city of working parts.

You’ve already met:

  • The Brain (CPU)

  • Memory (RAM and storage)

  • Wires and switches

  • Keyboard and screen

Now let’s see how they all connect.

 

🖥️ The Case Is Just the Shell

If you open up a computer (carefully!), you’ll see:

  • A big green board (that’s the motherboard)

  • A bunch of chips

  • Wires going everywhere

  • Fans spinning

  • Lights blinking

It’s a lot — but each part has a job.

 

🧩 Big Parts You’ll See

  1. Motherboard – the base that holds everything together

  2. CPU chip – the brain

  3. RAM sticks – short-term memory

  4. Hard drive / SSD – long-term memory

  5. Power supply – sends electricity to everything

  6. Cables – connect parts to each other

  7. Cooling fans – keep it from overheating

 

🛠️ Everything Sits on the Motherboard

The motherboard is like a city map — roads and buildings.

It connects:

  • The brain

  • The memory

  • The keyboard

  • The screen

  • The mouse

  • The speakers

So they can all talk to each other.

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