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The motherboard is the central circuit board that connects CPU, GPU, RAM, storage, and PSU so the system works as one. It drives performance (VRM quality, PCIe bandwidth, memory layout), expansion (PCIe/M.2/USB), and safety (protections, Dual BIOS/Flashback). Key parts include the CPU socket, VRM, memory slots (DDR4/DDR5), PCIe slots (Gen 3/4/5), M.2/SATA storage, chipset, and rear I/O. Platform notes: Intel 300→700 series (LGA1700 for 12th–14th gen, Z for OC); AMD AM4 (A/B/X) and AM5 (B650/X670/X670E, DDR5 & PCIe 5.0). Before buying, match socket/chipset, check VRM and I/O, plan lanes/M.2, pick the right form factor, and favor boards with BIOS Flashback/diagnostics. Photo by Matveev on Pexels You can view the original blog post in Korean and English at the links below: [  View in Korean  ] | [ View in English ]

1️⃣ The PSU converts AC into stable DC, powering each component safely like a home’s breaker panel or a car’s fuel pump. 2️⃣ A quality unit ensures stability during power spikes and prevents hardware damage from voltage ripple. 3️⃣ Look for high efficiency (80 PLUS Gold or better), ATX 3.0/3.1 support, and full protection circuits. 4️⃣ Choose reputable brands with ample wattage headroom—your PSU quietly determines your PC’s reliability and lifespan. Photo by Andrey Matveev on Pexels You can view the original blog post in Korean and English at the links below: [  View in Korean  ] | [ View in English ]

1️⃣ Storage is your computer’s long-term memory — keeping data safe even when power is off. 2️⃣ Modern SSDs have replaced HDDs, offering 10–20× faster speed, silence, and durability. 3️⃣ The shift from SATA to NVMe (PCIe 3.0 → 5.0) has drastically boosted transfer rates. 4️⃣ A good storage setup needs the right capacity, endurance (TLC > QLC), and proper cooling. 5️⃣ The best performance comes from combining SSD speed with HDD capacity for balance. Photo by William Warby on Pexels You can view the original blog post in Korean and English at the links below: [  View in Korean  ] | [ View in English ]

RAM is the computer’s short-term memory, giving the CPU fast access to active data for quick multitasking. Modern DDR generations (DDR1→DDR5) improve speed, bandwidth, and energy efficiency. Too little RAM slows the system by forcing swap memory use; enough RAM keeps workflows smooth. Key specs include capacity, speed (MT/s), timings (CL), and dual-channel setup. Photo by Athena Sandrini on Pexels You can view the original blog post in Korean and English at the links below: [  View in Korean  ] |  [  View in English  ]

  The GPU is a parallel processor with thousands of cores, powering gaming, video, AI, and scientific computing. Its structure enables simultaneous pixel calculations, excelling at tasks that require massive parallelism. Each new generation (NVIDIA, AMD) adds faster performance, ray tracing, DLSS, and energy efficiency. GPUs also accelerate video editing, AI training, and research far beyond just graphics rendering. Choosing the right GPU depends on case fit, PSU capacity, monitor specs, cooling, and supported features.   Photo by Sergei Starostin on Pexels You can view the original blog post in Korean and English at the links below: [  View in Korean  ] | [  View in English  ]

The CPU acts as the brain of the computer, managing instructions, calculations, and control through the Fetch–Decode–Execute cycle. Each generation brings improvements like smaller transistors, new instruction sets, more cores, and faster memory standards. Intel CPUs excel in single-core speed and software support, while AMD offers better multi-core value and longer socket lifespan. Server and mobile CPUs focus on efficiency, stability, and thermal design, balancing power and performance. Compatibility depends on sockets, BIOS, and cooling — choosing the right CPU ensures speed, stability, and future upgrade flexibility. Photo by Bruno on Pexels You can view the original blog post in Korean and English at the links below: [  View in Korean  ] | [  View in English  ]

Most computers follow the Von Neumann architecture: programs and data share memory; the CPU fetches and executes instructions sequentially. CPU is the brain for arithmetic/logic/control—often with NPUs—while the motherboard is the nervous system linking all parts via buses. RAM is fast, volatile short-term memory for active tasks; storage (SSD/HDD/NVMe) is long-term, persistent data. PSU supplies stable DC power; GPU accelerates graphics/video and many AI workloads; I/O devices let you interact; the case cools and protects. Together they form one system—same principles power phones like the iPhone, just in a tighter, integrated form. Photo by Bruno on Pexels Photo by Matveev on Pexels Photo by Athena Sandrini on Pexels Photo by William Warby on Pexels Photo by Andrey Matveev on Pexels Photo by Sergei Starostin on Pexels You can view the original blog post in Korean and English at the links below: [  View in Korean  ] | [  View in English  ]