What does the acronym PSU stand for?

The acronym PSU stands for Power Supply Unit. This is a crucial component in a computer system as it converts electrical power from an outlet into usable power for the computer's internal components. The power supply unit supplies power to the motherboard, hard drives, graphics cards, and other peripherals. Understanding the role of a PSU is vital for anyone involved in building or maintaining computers, as it ensures the system receives the correct voltage and current needed for operation. The performance and reliability of a computer can be heavily dependent on the quality and specifications of the PSU, making knowledge in this area essential for IT professionals.