Let’s Understand Random Access Memory: The Key to How Your Computer Thinks Fast

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About Course

Please note that this course has the following prerequisites which must be completed before – Let’s Find Out How Computers Work

If you do not do the prerequisite, it will be difficult for you to do this course.

 

When you use a computer or phone, you expect it to respond quickly.

You open an app, play a video, or type a document—and it just works smoothly (most of the time). But what makes this speed possible?

The answer often lies in Random Access Memory (RAM).

This course takes you on a complete journey into what RAM is, how it works, why it matters, and how it connects to every part of a computer’s brain and body.

We will break things down so clearly that even a curious beginner can understand, yet we’ll go deep enough to build real mastery—enough to think like a computer engineer by the end.

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What Will You Learn?

  • ✅ Explain what RAM really is in simple, precise words.
  • ✅ Understand the difference between RAM and storage (hard drives, SSDs).
  • ✅ Discover why RAM is called “random access.”
  • ✅ Learn how RAM helps the CPU (Central Processing Unit) work faster.
  • ✅ Compare different types of RAM (SRAM, DRAM, SDRAM, DDR generations).
  • ✅ See how RAM is physically built (memory cells, transistors, capacitors).
  • ✅ Explore how operating systems and programs use RAM.
  • ✅ Understand performance: Why more RAM can make your computer run smoother.
  • ✅ Gain the ability to diagnose RAM-related issues and make smart upgrade decisions.
  • ✅ Think like an engineer: see how RAM fits into the whole computer system.

Course Content

Part 1: The Basics of RAM
Random Access Memory is one of the most fundamental elements of modern computer.

Part 2: Inside the RAM Chip
Now let's dive in and explore what makes RAM!

Part 3: How RAM Works with the CPU
In this part, we will uncover how RAM and CPU work together and do such cool things in your computer!

Part 4 – RAM Performance in Action

Part 5 – Operating Systems and RAM
Now, we are switching gears. Instead of looking at RAM only as little circuits, we are going to see it from the software side — that is, how the operating system (the big boss software like Windows, macOS, Linux, or Android) uses RAM to run programs smoothly.

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