Power Supply Unit (PSU) serves to convert electrical voltage (AC220/230/240 V, 110/120 V) to be used by the computer (DC 3.3 V, 5 V, 12 V). The amount of electricity that can be handled is determined by its power supply and is calculated by the unit Watt
Power Supply is a device that is in the CPU which is used to deliverelectrical current to a variety of computer equipments.
This device has 5 or more connectors, which can be connected to control every aspect of equipment such as: • Motherboard • Hard disk • FloppyDisk Drive • CD-ROM
Power supply poor quality can result in uneven DC voltages and a lot ofripples (ripple). If used in the time period long enough to cause damage tocomputer components, such as hard drive.
An important component in the power supply is cooling (cooling)
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