Ekene Agunechemba

🧠 Meet CPU, Input & Output

Once upon a time in a bright and cheerful classroom, something exciting was about to happen. The teacher, Mr. Smart, walked in with a big smile and said:

“Class, I have a puzzle for you!”

Everyone looked around, curious. But in this class, only one person was allowed to solve puzzles—the quiet and brainy student named CPU.

CPU wasn’t alone, though. He had two helpful friends:

  • Input, also called Receiver, and
  • Output, lovingly known as Giver.

These three worked as a team. Let’s see how.

🎯 The Puzzle Challenge

Mr. Smart whispered the puzzle to Input (Receiver). Input listened carefully, then rushed over to CPU.

“Here’s the puzzle,” Input said, whispering in CPU’s ear.

CPU closed his eyes, tapped his fingers, and began to think. That’s what he was best at—processing information.

After a few seconds, CPU smiled. He had the answer. But remember, he never said it out loud.

So, CPU turned to Output (Giver) and whispered the answer.

With a huge grin, Output jumped up and announced:

“The answer is 42!”

The class clapped. Mr. Smart smiled. The puzzle was solved—thanks to teamwork.

đź’ˇ Lesson Behind the Story

This story is just like how a computer works.

  • Input devices (like keyboards, mice, microphones) help the computer receive information.
  • The CPU (Central Processing Unit) processes that information.
  • Output devices (like monitors, printers, speakers) deliver the result back to us.

Input receives → CPU thinks → Output gives.

Simple and cool, right?

đź“ť Review Questions

  1. Who gave the puzzle in the story?
  2. What did Input do after hearing the puzzle?
  3. What role did CPU play in solving the puzzle?
  4. How did Output help in the end?
  5. How does this story relate to how computers work?
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