Inside Computing @insidecomput

Inside Computing. Understanding the technology behind modern computing. Linux, C, CPUs, systems, memory, kernels, RISC-V, AI, and FPGA inside-computing.com La Canada Flintridge, CA Joined June 2018

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Inside Computing @insidecomput

13 hours ago

youtu.be/gXao1fVNdvQ?si…

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Inside Computing @insidecomput

13 hours ago

People often ask: “Why is my CPU so fast?” The answer is: • Registers • Cache • Pipelines • Multiple Cores Modern CPUs are engineering miracles built from billions of tiny switches. #CPU #Engineering

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Inside Computing @insidecomput

13 hours ago

I spent months explaining: • Linux • Kernels • System Calls • File Systems Then I realized something. To truly understand Linux, you must understand the CPU first. Because every process, every syscall, and every instruction eventually runs here. New video: How CPUs Work. #Linux #ComputerArchitecture youtu.be/gXao1fVNdvQ?si…

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Inside Computing @insidecomput

a day ago

To understand Linux, you must understand the CPU.

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Inside Computing @insidecomput

a day ago

🚀 Every modern computer is built on a surprisingly simple idea. Transistors become logic gates. Logic gates become circuits. Circuits become CPUs. CPUs execute instructions. Everything from Linux and Windows to AI and web browsers depends on this process. I just published a visual guide explaining how CPUs actually work. From transistors to modern processors. #CPU #ComputerArchitecture #Computers

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Inside Computing @insidecomput

a day ago

youtu.be/gXao1fVNdvQ?si…

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Inside Computing @insidecomput

a day ago

How CPUs Work: From Transistors to Modern Processors Explained youtube.com/watch?v=gXao1f… #cpu #alu #register #cache #pc

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Inside Computing @insidecomput

3 days ago

A modern CPU running at 4 GHz performs roughly: 4,000,000,000 clock cycles every second. Every second. And all it really does is repeat: Fetch ↓ Decode ↓ Execute Billions of times. #CPU #ComputerArchitecture #Computers youtu.be/3P5vR3LrUck?si…

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Inside Computing @insidecomput

4 days ago

Computers don’t understand: ❌ Text ❌ Images ❌ Videos ❌ Music Computers only understand: 0 and 1 Everything else is just representation. That’s one of the most important ideas in computer science. #ComputerScience #Programming #Linux youtu.be/3P5vR3LrUck?si…

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Inside Computing @insidecomput

4 days ago

Your CPU contains billions of transistors. Each transistor is just a tiny electronic switch. ON = 1 OFF = 0 Yet from these simple switches we get: • Linux • Windows • YouTube • Games • AI Modern computing is built on astonishing simplicity. #Computers #Engineering #Technology youtu.be/3P5vR3LrUck?si…

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Inside Computing @insidecomput

4 days ago

Every website you visit. Every video you watch. Every AI prompt you send. Ultimately comes down to billions of tiny switches turning ON and OFF. That's it. That's how computers work. 🎥 New Video: How Computers Work: From Transistors to Software #Computers #CPU #Linux #Computerscience youtube.com/watch?v=3P5vR3…

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Inside Computing @insidecomput

6 days ago

How Linux Works? What Happens When You Type ls? #linux #kernel #linuxcommandlinetutorial #process youtube.com/shorts/iJPp2D2…

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Inside Computing @insidecomput

a week ago

How Linux Works youtu.be/9PkIYK9tdAI?si… A simple ls command travels through: User ↓ Shell ↓ fork() ↓ execve() ↓ Kernel ↓ VFS ↓ Page Cache ↓ Filesystem ↓ Terminal before you see the result. Most users never realize how much happens behind a single command.

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Inside Computing @insidecomput

a week ago

How Linux Architecture Works ? youtu.be/KNw5b8emVpU A simple Linux workflow looks like this: User enters a command in the shell The shell interprets the command System libraries translate requests into system calls The kernel processes the request Device drivers communicate with hardware Results return back to the user application

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Inside Computing @insidecomput

a week ago

Most people use computers every day. Very few know what actually happens after they click an icon. Behind that click: → Billions of transistors switch on and off → The CPU executes instructions → Memory stores temporary data → The operating system manages resources → Hardware responds to requests All in a fraction of a second. Computers look magical. They’re actually engineering. #Computers #CPU #Technology #Programming #Linux

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Inside Computing @insidecomput

a week ago

The terminal doesn’t execute commands. It simply sends input to the shell. The shell becomes responsible for figuring out what you meant.

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Inside Computing @insidecomput

a week ago

Most Linux users have typed: ls Thousands of times. But have you ever wondered what actually happens after pressing Enter? A simple command triggers: • Shell parsing • fork() • execve() • ELF loading • CPU scheduling • System calls • VFS lookup • Page cache checks • Terminal output youtu.be/9PkIYK9tdAI?si… I followed the entire journey step by step.

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Inside Computing @insidecomput

a week ago

A simple ls command traveled through the entire Linux stack. The shell interpreted the command. The kernel loaded the program. The scheduler assigned CPU time. The CPU executed instructions. A system call entered the kernel.The Virtual File System processed the request. Directory entries were retrieved. The data returned to User Space. The output was formatted and displayed. All of this happened in just a few milliseconds.This journey demonstrates how Linux really works. Applications talk to the kernel. The kernel talks to the hardware. And Linux coordinates everything in between. That is how Linux works.

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Inside Computing @insidecomput

a week ago

How Linux Works ? The Journey of a Simple ls Command youtu.be/9PkIYK9tdAI Step 1 — User Types Command Step 2 — Shell Receives Input Step 3 — Shell Finds Program Step 4 — Create Child Process Step 5 — Load ls Program Step 6 — Load Executable Into Memory Step 7 — Scheduler Assigns CPU Step 8 — CPU Begins Executing ls Step 9 — ls Needs Directory Data Step 10 — Request Directory Information Step 11 — Kernel Takes Control Step 12 — System Call Handler Step 13 — VFS Receives Request Step 14 — Locate Directory Step 15 — Check Page Cache Step 16 — Cache Hit or Cache Miss Step 17 — Read Directory Entries Step 18 — Return Data To Kernel Step 19 — Copy To User Space Step 20 — ls Receives Data Step 21 — Format Output Step 22 — Write To Terminal Step 23 — Terminal Displays Result Conclusion