Embedded Tech

  What is Computer Memory? RAM vs ROM Explained Table of Contents Introduction The Big Picture: Memory vs Storage RAM vs ROM at a glance Cache, RAM, and Hard Disk working together Everyday examples Quick comparisons FAQs Quiz Conclusion 1) Introduction When your computer or microcontroller runs a program, it needs places to keep data. Some places are quick to reach, while others are large but slower. You will often hear four terms: RAM , ROM , Cache , and Hard Disk . RAM is like a notepad on the desk, you write, erase, and change things quickly. Cache is a tiny stack of sticky notes right by your hand, lightning-fast to grab. Hard Disk is a bookshelf across the room, huge but slower to access. ROM is a printed cookbook, fixed recipes used to start things up. Read: What is CPU Cache memory? 2) The Big Picture: Memory vs Storage People often mix up memory and storage . Here’s the diff...

  What is a CPU? How Does It Work? Table of Contents Introduction What is a CPU? The Three Main Parts of a CPU How the CPU Works Together: The Fetch–Decode–Execute Cycle Everyday Analogy: The Chef in the Kitchen Why the CPU is Important Frequently Asked Questions Interactive Quiz & Thinking Questions Conclusion 1. Introduction We explored the building blocks of technology: hardware, software, and firmware. (👉 Read the previous article here ) Now that you understand those foundations, it’s time to zoom in on the heart and brain of the computer — the CPU (Central Processing Unit). Every time you type a key, open an app, or play a game, the CPU is hard at work behind the scenes. But what exactly is it doing? And how does it “think”? In this article, we’ll break the CPU into its three main parts- the Control Unit, the Arithmetic Logic Unit (ALU), and Registers - and explain them with simple analogies, charts, and everyday examples. By the end...

  Hardware, Software, and Firmware: Explained with Simple Examples Table of Contents Introduction What is Hardware? Everyday Example: Remote Control What is Software? Everyday Example: TV What is Firmware? Everyday Example: Mobile Phone Differences Between Hardware, Software, and Firmware How Hardware, Software, and Firmware Work Together Frequently Asked Questions Interactive Quiz & Thinking Questions Conclusion 1. Introduction When you turn on your TV, press a button on your remote, or unlock your phone, you interact with three important components: hardware, software, and firmware. These terms are frequently used in the world of embedded systems and computer architecture, but they can be confusing, especially for beginners. In this article, we’ll break down the difference between hardware, software, and firmware using simple, everyday examples — and we’ll add colorful charts and interactive questions so it’s easier (and more ...