Light pen - Wikipedia
A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's cathode-ray tube (CRT) display. It allows the user to point to displayed objects or draw on the screen in a similar way to a touchscreen but with greater positional accuracy.
What is a Light Pen? - GeeksforGeeks
2023年10月18日 · A light pen is a type of pointing input device that detects light and is frequently used to select or alter text or data on a screen. These devices, when used with a CRT (cathode ray tube) monitor, were an early method of highlighting and modifying data on the screen.
What is a Light Pen? - Definition from Techopedia
2016年7月26日 · A light pen is a light-sensitive computer input device, basically a stylus, that is used to select text, draw pictures and interact with user interface elements on a computer screen or monitor.
Light Pen Advantages And Disadvantages - Insightvity
2023年7月28日 · When it comes to input devices, light pens offer a plethora of advantages that make them a popular choice among users. Let’s explore some of these advantages in detail: Precise and Accurate Input. Fountain Pens: Pros VS Cons (Pen Review) One of the key advantages of light pens is their ability to provide precise and accurate input.
What is a Light Pen? - Computer Hope
2017年10月11日 · A light pen is a light-sensitive pointing input device commonly used to select or otherwise modify text or data on a screen. Used with a CRT (Cathode Ray Tube) monitor, these devices were an early form of manipulating and highlighting data on the screen.
What is Light Pen | Definition & Uses of Light Pen
2023年6月24日 · Definition of Light pen -: Light Pen, which is similar to the Normal Pen, is a pointing input device that is used to select the menu or picture display on the screen of a mobile or computer.
Light pen - C64-Wiki
A light pen is a pen-shaped input device which connects to a compatible computer (such as the C-64): The device contains a light sensor which, when pointed at a cathode ray tube screen, generates a signal each time the electron beam raster passes by the spot the pen is pointing at.
Computer Graphics | Light Pen - Javatpoint
Light Pen (similar to the pen) is a pointing device which is used to select a displayed menu item or draw pictures on the monitor screen. It consists of a photocell and an optical system placed in a small tube.
Light pen | Computer Wiki | Fandom
A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's CRT TV set or monitor. It allows the user to point to displayed objects, or draw on the screen, in a similar way to a touch screen but with greater positional accuracy.
Notes on a Light Pen - Unacademy
A light pen is defined as the input device in the computer in the form of a light-sensitive wand in association with CRT tubes. It helps to make direct interaction with the computer devices.
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