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Power Supplies, in essence, refer to devices designed to supply electrical power to other components or equipment within the realm of electronics and computing. They serve as the lifeblood, ensuring that these devices operate efficiently and effectively by converting alternating current (AC) from the wall outlet into direct current (DC) required for operation. Power Supplies come in a variety of forms and capacities, ranging from small adapters for charging mobile phones to robust units powering high-performance computers or servers. These devices are integral to many aspects within electronics, computers, computer accessories, data storage devices, audio cables, and more. They not only provide the necessary voltage but also safeguard against potential electrical hazards like overvoltage, under voltage, surges, and short circuits which can cause irreversible damage or pose safety risks to users. In summary, Power Supplies represent an essential category in technology, providing reliable and safe electrical power to drive various devices, enhancing performance and extending their lifespan.