1.   And unlike last year, the viewing screen used by Gates to explain the software worked.

2.   A Compaq spokesman explained that the screen uses a black mask to heighten contrast.

3.   A few steps from her, where the movie screen used to be, a woman bathes her child with yellowish water.

4.   Engelbart also developed videoconferencing and the multiple-window screens used in many computer programs.

5.   The page construction screen uses a grid for precise layout and as an alternative offers to set up columns and rows as the user wishes.

6.   The sad fact is that color screens use more power than monochrome ones.

7.   The screens themselves use colors coded to the area on the machine where you have to go next.

8.   Touch screens use one of four different technologies to detect touch, and electronic controllers and software drivers to communicate that information to a computer.