general overhead
121DC Streetcar — For the historic streetcar system in Washington and Maryland, see Streetcars in Washington, D.C.. DC Streetcar An Inekon Trio streetcar to be used on the Anacostia line of the DC Streetcar system …
122Northrop P-61 Black Widow — P 61 Black Widow A P 61A 1NO of 419th Night Fighter Squadron Role Night fighter …
123Channel Tunnel — Map of the Channel Tunnel Overview Location English Channel (Strait of Dover) Coordinates Folkestone …
124Electric power transmission — Electric transmission redirects here. For vehicle transmissions, see diesel electric transmission. 400 kV high tension transmission lines near Madrid Electric power transmission or high voltage electric transmission is the bulk transfer of… …
125NX bit — The NX bit, which stands for No eXecute, is a technology used in CPUs to segregate areas of memory for use by either storage of processor instructions (or code) or for storage of data, a feature normally only found in Harvard architecture… …
126List of current systems for electric rail traction — This a list of the power supply systems that are, or have been, used for tramway and railway electrification systems. Note that the voltages are nominal and vary depending on load and distance from the substation. Many modern trams and trains use …
127Two-phase locking — This article is about concurrency control. For commit consensus within a distributed transaction, see Two phase commit protocol. In databases and transaction processing two phase locking, (2PL) is a concurrency control method that guarantees… …
128X Window System — X11 redirects here. For other uses, see X11 (disambiguation). A historical example of graphical user interface and applications common to the MIT X Consortium s distribution running under the twm window manager: X Terminal, Xbiff, xload and a… …
