➢ Touch panels allow displayed objects or screen positions to be selected with the touch of a finger. ➢ Touch...

➢ Joystick is used as a positioning device,which uses a small vertical lever(stick) mounded on a base.It is used to...

➢ A trackball is a ball device that can be rotated with the fingers or palm of the hand to...

❖ The disadvantages of encoding runs are that color changes are difficult to record and storage requirements increase as the...

Method 1: Using circle symmetry property, we generate the circle path with vertical spans in the octant from x =...

➔ In an effort to reduce memory requirements in raster systems, methods have been devised for organizing the frame buffer...

Figure shows one way to organize the components of a raster system that contains a separate display processor, sometimes referred...

✓ The basic refresh operations of the video controller are diagrammed ✓ Two registers are used to store the coordinate...

✓ Frame-buffer locations and the corresponding screen positions, are referenced in Cartesian coordinates. ✓ In an application (user) program, we...