6 min readBeginner
How CPU Processors Work
Inside the silicon brain: Fetch-Decode-Execute cycle, registers, ALU, clock cycles, and multi-level caching hierarchy.
#Fetch-Decode-Execute#Registers & ALU#L1/L2/L3 Cache
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Hardware & CPU
7 min readIntermediate
x86 vs ARM: The Architecture Showdown
CISC vs RISC, silicon budgets, instruction decoding, power efficiency, and why Apple Silicon & modern servers are switching to ARM.
#CISC vs RISC#Instruction Decode Complexity#Power per Watt
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8 min readBeginner
How the Internet Actually Works
What happens when you type a URL: DNS hierarchical resolution, TCP 3-way handshake, TLS 1.3 encryption, and global packet routing.
#DNS Resolution#TCP 3-Way Handshake#TLS 1.3 Encryption
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6 min readIntermediate
Basics of Programming & Memory
Stack vs Heap memory allocation, pointers, memory addresses, compiled vs interpreted languages, and how Garbage Collectors work.
#Stack vs Heap#Pointers & Memory Addresses#Compilation vs Interpretation
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7 min readIntermediate
How Browsers & Rendering Engines Work
Critical rendering path: DOM + CSSOM → Render Tree → Layout/Reflow → Paint → GPU Compositing, and the JavaScript Event Loop.
#DOM & CSSOM#Render Tree#Layout (Reflow)
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7 min readAdvanced
Operating Systems: Processes, Threads & Syscalls
Kernel space vs user space, process memory isolation, multi-threading, context switching, and system call boundaries.
#Kernel vs User Space#Processes vs Threads#Virtual Memory & Page Tables
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