Course Content
Part 1: What Is a Computer, Really?
What makes something a “computer”? Why do computers need instructions? How are computers different from TVs, fridges, or robots?
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What Does the Word “Computer” Really Mean?
Let's Test What You Learnt
What Makes a Computer a Computer?
Let's Test What You Learnt
Why Do Computers Need Instructions?
Let's Test What You Learnt
How Are Computers Different from TVs or Fridges?
What’s Inside Everyday Things That Makes Them “Smart”?
Part 2: Talking Without Words
How people used to send messages across long distances The story of light flashes, drum beats, smoke signals, and Morse code Why using dots and dashes (or 0s and 1s) is so powerful. Let’s Talk in Just Two Choices: On or Off - What is binary, and why do computers love it? How “on” and “off” can mean anything—yes/no, true/false, A/B Why 2 choices are enough to build everything
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What has this got to do with computers?
How People Built Real Code Systems with Simple Signals
How This Idea Helped Build the First Computers
Part 3: How Electricity Can Carry a Message
What is a circuit? How flipping a switch sends a message Why computers are made of millions of tiny switches.
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What Is Electricity, Really?
What Is a Circuit?
How Flipping a Switch Sends a Message
Why Computers Are Made of Millions of Switches
What Else Should You Know About Electric Signals in Computers?
Part 4: Building Ideas Using Only Switches
What is a logic gate? (Explained without saying “logic gate”) How switches can help us decide things How “AND,” “OR,” and “NOT” control what a computer does.
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How Can a Switch Help Make a Choice?
Let’s Build an AND Gate with Switches
OR and NOT — Other Smart Rules Computers Use
Combining Logic to Make Smarter Machines
How Logic Gates Become a Computer’s Brain
Part 5: How to Count, Add, and Remember With Just Wires
How computers add numbers using only switches What memory really is: remembering a single bit, then a byte How your computer stores your name, photos, and passwords. How switches can do math with just yes/no What memory means for a machine What bits and bytes really are (without the jargon). What are AND, OR, NOT, and more. How pictures, words, and videos are stored as 0s and 1s.
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🧩 How Computers Use Yes and No to Count Numbers
➕ How to Add Using Wires and Logic Rules
💾 What Is Memory, Really?
🧩 What Are Bits and Bytes (And Why Do They Matter?)
🖼️ How Pictures, Sounds, and Videos Are Stored As 0s and 1s
Part 6: Making Bigger Ideas with Tiny Ones
What is a byte? What is a file? How letters, music, pictures, and videos become 0s and 1s What happens when you type on a keyboard
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📘What Is a Byte, Really? And Why Does It Matter?
📘What Is a File, Really?
🧩 How Letters, Words, and Stories Become 1s and 0s
📘 How Music and Sound Become Bits
⚡️What Happens When You Press a Key
Part 7: Meet the Heart of the Computer — the CPU
What the CPU really does (without calling it “central processing unit”) How it reads instructions, decides things, and tells others what to do How fast is it, really?
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🧠The Brain That Follows Instructions
🧠 How the Brain Reads and Runs Instructions
📘 How the Brain Decides What to Do
📘How Fast Is the CPU, Really?
📘 The CPU’s Job Inside the Whole Computer
Part 8: Let’s Look Inside a Real Computer
What is a motherboard? How all the parts connect: CPU, memory, storage, input/output What happens when you turn a computer on.
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🧩 What’s Hiding Inside That Box?
📘Let’s Meet the Parts One by One
🔄 How All the Parts Talk to Each Other
✅ What Happens When You Turn It On?
⏰ How the Parts Work Together All Day Long
Part 9: What Is Software and Who Tells It What to Do?
What is an operating system? How computers follow code like a recipe What happens when you open an app
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📘What Is Software, Really?
📘 Who Writes the Software?
💾 How the Computer Runs the Software Step by Step
🧩 What Is an Operating System?
🎹 How Software Talks to Screens, Keyboards, and More
Part 10: How Is a Phone Like a Computer?
What’s different inside a phone or tablet? How mobile computers are smaller—but just as powerful Why phones still need the same ideas: binary, circuits, memory.
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📱Is a Phone Just a Smaller Computer?
📘What’s Different Inside a Smartphone?
Part 11: What Happens When Computers Crash?
And, why does it happen?
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🧨 Lesson 1: What Is a Crash? (And Why Computers Sometimes Just Give Up)
🐞 What Is a Bug (And Why Do Even Smart Coders Make Them)?
🔥 Overheating, Viruses, and When Computers Get “Sick”
Part 12: Can You Build Your Own Computer?
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🧰 What Are the Pieces That Make a Computer?
🛠️ How to Put It All Together (Without Breaking Anything!)
💾 Installing the Brain — Software & Operating System
Let’s Find Out How Computers Work

🔋 The Start-Up Dance

You press the power button.

What happens?

A LOT — in just seconds.

Let’s break it down.

 

🔄 Step 1: Wake Up

  • The power supply sends electricity

  • The brain gets ready

  • The memory gets cleared

  • The screen waits

 

🧠 Step 2: Check Yourself

The brain runs a tiny program called a boot process.

It checks:

  • Are all parts working?

  • Is memory okay?

  • Is the keyboard connected?

If yes… move to next step!

 

💾 Step 3: Load the Operating System

The brain asks the storage:

“Can you load the main system?”

The storage sends over:

  • The system rules

  • The desktop layout

  • The things needed to use a mouse, keyboard, screen

This all goes into RAM.

 

🖥️ Step 4: Show the Home Screen

Now that everything is ready…

The brain tells the screen:

“Okay! Show the desktop!”

And boom — you’re in!

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