(1) For superimposing images onto a background, see color key. (2) A computer terminal that displays green characters on a dark background. Widely used in the early days of mainframes and ...

Cook County’s assessor has one quarter of the staff needed to evaluate the area’s more than 1.8 million property parcels. Despite plans for new technology, the office still relies on a green screen ...

Virtual green screens are pretty neat, but for results, nothing beats the real thing. But what if you have limited space? [Fred Emmott] had about 30 inches behind his desk to work with, and shares ...