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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.
Uninterruptible power supply. An uninterruptible power supply ( UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails. A UPS differs from a traditional auxiliary / emergency power system or standby generator in that it ...
AC adapter. A "wall-wart" type AC adapter for a household game console. The output has a barrel connector. "Power brick" in-line configuration, with detachable AC cord and NEMA 1-15 plug. An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) [1] is a type of external power supply, often enclosed ...
The most recent acquisition in the enterprise networking segment is Aruba Networks in March 2015 for US$3 billion. On the IT services and consulting side, the largest acquisition made so far is Electronic Data Systems, in 2008 for US$13.9 billion. In the software products market segment, a stream of acquisitions has helped strengthen HP's ...
HP 2100 computer (upper left), shown with two 7970 tape drives, 7900-series hard disk, 2748 paper tape reader and a 2767A impact printer. The separate front-panel switches and lights were replaced with light-up pushbuttons, which had a tendency to burn out. [17] HP 2100A Computer
Computer hardware. PDP-11 CPU board. Computer hardware includes the physical parts of a computer, such as the central processing unit (CPU), random access memory (RAM), motherboard, computer data storage, graphics card, sound card, and computer case. It includes external devices such as a monitor, mouse, keyboard, and speakers. [ 1][ 2]
ECS (Elitegroup Computer Systems) EPoX (partially defunct) First International Computer. Foxconn. Fujitsu [1] Gumstix. Intel ( NUC and server motherboards) Lanner Inc (industrial motherboards) Leadtek.
Supply chain pyramid. An original equipment manufacturer ( OEM) is generally perceived as a company that produces parts and equipment that may be marketed by another manufacturer. The term is also used in several other ways, which causes ambiguity. It sometimes means the maker of a system that includes other companies' subsystems, an end ...