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2. Power supply unit (computer) - Wikipedia

   en.wikipedia.org/wiki/Power_supply_unit_(computer)

   A power supply unit (PSU) converts mains AC to low-voltage regulated DC power for the internal components of a desktop computer. Modern personal computers universally use switched-mode power supplies. Some power supplies have a manual switch for selecting input voltage, while others automatically adapt to the main voltage.

3. Computer hardware - Wikipedia

   en.wikipedia.org/wiki/Computer_hardware

   Desktop personal computers have a monitor, a keyboard, a mouse, and a computer case. The computer case holds the motherboard, fixed or removable disk drives for data storage, the power supply, and may contain other peripheral devices such as modems or network interfaces. Some models of desktop computers integrated the monitor and keyboard into ...

4. Personal computer - Wikipedia

   en.wikipedia.org/wiki/Personal_computer

   Personal computer. An artist's depiction of a 2000s-era desktop-style personal computer, which includes a metal case with the computing components, a display and a keyboard (mouse not shown) A personal computer, often referred to as a PC, is a computer designed for individual use. [1] It is typically used for tasks such as word processing ...

5. Power supply - Wikipedia

   en.wikipedia.org/wiki/Power_supply

   Power supply. A simple general-purpose desktop power supply used in electronic labs, with power output connector seen at lower-left and power input connector (not shown) located at the rear. Interior of high-end linear power supply with toroidal mains transformer. A power supply is an electrical device that supplies electric power to an ...

6. Desktop computer - Wikipedia

   en.wikipedia.org/wiki/Desktop_computer

   A desktop computer (often abbreviated desktop[1]) is a personal computer designed for regular use at a stationary location on or near a desk (as opposed to a portable computer) due to its size and power requirements. The most common configuration has a case that houses the power supply, motherboard (a printed circuit board with a microprocessor ...

7. Portable computer - Wikipedia

   en.wikipedia.org/wiki/Portable_computer

   A military-type mobile computer housed in a reinforced case. A portable computer with three LCD screens. A portable computer with one 20.1-inch LCD screen, EATX motherboard. The MIT Suitcase Computer, MIT Digital Systems Laboratory, 1975. A portable computer is a computer designed to be easily moved [1] from one place to another, as opposed to ...