electronic stylus
Học thuậtThân thiện
Definition
- Noun:
- A pointing device for computer displays: An electronic stylus is a handheld tool that functions as a pointer. When its tip is pointed at a specific spot on a computer screen, it can detect whether that spot is lit up or illuminated.
- A sensor for screen interaction: It is an input device that senses light or electromagnetic signals from a display, allowing a user to interact with or select items on the screen.
Usage Examples
- Noun:
- The designer used an electronic stylus to draw directly on the graphics tablet screen.
- Older touchscreen kiosks often required an electronic stylus for input, rather than a finger.
Advanced Usage
- Technical Context: In computer science and human-computer interaction, an "electronic stylus" is specifically a device that senses illumination from a CRT (cathode ray tube) or similar display to determine position, differing from modern active or capacitive styluses.
- The light pen, a type of electronic stylus, was an early input device for selecting objects on a screen.
Variants and Related Words
- Light pen: A common synonym and specific type of electronic stylus.
- The light pen fell out of common use as touchscreens advanced.
- Stylus: A more general term for a pen-like tool used with touchscreens or graphics tablets, which may or may not be an "electronic stylus" as defined.
- Pointer: A general term for any device used to point to or select items on a screen.
Synonyms
- Light pen: A pointer that detects light from a screen.
- Screen pointer: A device for pointing at a display.
Related Terms (Not Phrasal Verbs)
- Touchscreen: A display that detects touch, often used with a stylus.
- Input device: A broader category including the electronic stylus.
Noun
- (computer science) a pointer that when pointed at a computer display senses whether or not the spot is illuminated