A light pen activated with a _______.

Related MCQs

• To be able to select positions in any screen area with a light pen, we must have some__________ intensity assigned to each screen pixel.
• A CRT monitor displays color picture by using a combination of phosphor that emits light of __________ color
• The__________________ emits a small spot of light at each position contacted by the electron beam.
• The simplest model for a light emitter is _______________.
• The scattered light is called as____________.
• Spotlights are used to control the amount of light emitted within a cone with apex at ______________ source position.
• The emissive displays are devices that convert __________ energy to light
• The non-emissive displays are devices that convert sunlight or light from other sources to _________.
• The LEDs in touch panel operate at IR frequencies, so that the light is ___________ to a user.
• ____________ include the intensity and positions of light sources and general background illumination required for a scene.