What is the disadvantage of the light pen? Explanation: The light pen requires special implementations and sometimes gives an incorrect reading due to the backlight in a room.
What are the pros and cons of the light pen?
A light pen is a computer input device in the form of a light-sensitive pen used in conjunction with a computer CRT display. It allows the user to point at displayed objects or draw on the screen, similar to a touch screen but with greater positioning accuracy.
What is the disadvantage of the optical pen * A Its shape B It cannot recognize positions C Accurate reading D Does not recognize positions in black areas?
A light pen is a computer input device in the form of a light-sensitive pen used in conjunction with a computer CRT display. It allows the user to point at displayed objects or draw on the screen, similar to a touch screen but with greater positioning accuracy.
What are the disadvantages of the light pen?
What is the disadvantage of the light pen? Explanation: The light pen requires special implementations and sometimes gives incorrect readings due to the background lighting in a room. … Explanation: The language system input can be used to initiate graphics operations or to enter data.
What is the disadvantage of the light pen * 1 point?
Light pens are easily damaged. They can only be used on certain computer screens, they will not work with LCD screens. They generally lack high resolution capability.
What are the disadvantages of the pen?
A light pen is a computer input device in the form of a light-sensitive pen used in conjunction with a computer CRT display. It allows the user to point at displayed objects or draw on the screen, similar to a touch screen but with greater positioning accuracy.
What is the main benefit of using a light pen instead of a mouse?
Pros: Easy artistic use Light pens are better for artistic and design work than a mouse. Drawing smooth, natural lines with a mouse can be extremely cumbersome, making the exercise both inefficient and unappealing.
How does a light pen work?
The light pen works by detecting the change in brightness of nearby pixels, indicating that the CRT electron beam is scanning that area, and then sends the time of that event to the computer, which then compares that information to the “timestamp of the last scan”. . by the electron beam, making the computer … 26
What is the class 11 light pen used for?
Light Pen: Pointing device consisting of a photoelectric cell mounted in a preformed tube. A light pen is a light-sensitive computer input device, essentially a stylus used in conjunction with a computer CRT display.
Why are light pens and biometric devices used?
A biometric device is a security identification and authentication device. Such devices use automated methods to verify or identify a living individual based on a physiological or behavioral characteristic. These features include fingerprints, face images, iris and voice recognition.
