💾 Computer Storage & Memory

1️⃣ What is Data?

Data is like little pieces of stuff — letters, numbers, pictures, or sounds. It's like the ingredients before you cook.

2️⃣ What is Information?

Information is what you get when you organize data in a useful way — like a finished meal made from ingredients.

3️⃣ What is Storage?

Storage is where you keep your data and information so you don’t lose it. It's like a closet or a backpack.

4️⃣ Data Storage Units

5️⃣ What is Computer Memory?

Memory is where the computer stores things it's using right now. It's like your brain’s short-term memory.

6️⃣ Internal Memory

🔸 RAM (Random Access Memory)

Like your desk. You put stuff on it while you’re working. But when you leave, it’s gone.

🔸 ROM (Read-Only Memory)

Like a book of instructions. It tells the computer how to turn on. It doesn’t change or go away.

7️⃣ External Memory / Auxiliary Storage

This is long-term storage outside your computer. It keeps your data even when the computer is off.

✅ Summary Table

Term Easy Explanation Example
Data Raw facts Numbers, letters
Information Processed data A report or chart
Storage Where data is saved Hard drive, USB
Data Units Measure data size KB, MB, GB, TB
RAM Short-term memory What you're working on now
ROM Startup instructions Boot-up program
External Memory Long-term outside storage USB, cloud
Auxiliary Storage Another name for external memory Same examples as above