In this video, we’re unpacking the critical roles of APIs, ABIs, and ISAs in bridging software and hardware. Each layer in the computer system has specific responsibilities to streamline communication between software applications and hardware, ensuring compatibility and smooth functionality. We’ll explore API, ABI, and ISA with real-world comparison examples. Questions? Drop them below!" Timestamps: 0:00 - Introduction: what we will cover 0:30 - ISA Overview & Diagram 1:39 - API Overview & Diagram 2:07 - ABI Overview & Diagram 3:29 - API Example: RESTful API Basics 4:55 - API Example: Google Maps 6:13 - ABI Explained: Intel Manual 7:37 - ABI Example: Intel vs ARM difference example 8:30 - ABI compatibility why care about it 9:36 - ISA Explained: Intel Manual 10:45 - ISA Example: Comparing x86 and ARM Instructions 11:32 - ABI, ISA difference Key Takeaways 11:59 - Closing Remarks & Call to Action