
Computer HardwareA power supply needs enough capacity for your components, but its plugs must also match your motherboard, graphics card, and drives. Learn how to estimate wattage, allow sensible headroom, and check cables before buying or installing a PSU.
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Computer HardwareIntegrated graphics can handle far more than simply displaying a desktop, while a dedicated graphics card offers extra capacity for demanding games and visual work. Learn how they differ and how to choose based on your software, display setup, budget and upgrade plans.
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Computer HardwareATX, microATX, and Mini-ITX describe a motherboard’s physical size and mounting layout. Learn how each format affects case choice, expansion, cooling, and future upgrades before you plan a PC build.
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Computer HardwareMore RAM can make a computer feel smoother, but only when capacity is the limitation—and only if the modules are compatible. Learn how to estimate what you need, identify the right memory type, and check the details before buying.
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Computer HardwareA processor’s core count and clock speed are easy to compare, but neither tells the whole story. Learn how cores, frequency, and cache affect common tasks—and what else to check before choosing a computer.
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