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A light pen operates by detecting the light emitted from a computer screen when activated by a user pressing the pen against the screen. The screen emits electron beams that are picked up by the light pen, allowing the computer to determine the location on the screen that the pen is pointing at.

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What is use of lightpen?

A lightpen is a device used in conjunction with a computer monitor to allow users to interact with the screen by pointing directly at displayed objects or text. It emits a light beam that can be detected by the screen, enabling selections or drawing directly on the display. Lightpens were popular in the 1980s and 1990s, but have largely been replaced by touchscreens and stylus pens on modern devices.


What is the description of a lightpen?

A light pen is a computer input device that allows users to interact with a computer screen by pointing or drawing directly on the monitor. It picks up light emitted by the screen to determine its position, enabling users to select items or input data by tapping on the screen with the pen. Light pens were commonly used in early computer systems before the widespread adoption of touchscreens and other input devices.


What is a lightpen?

A light pen is: a handheld, penlike photosensitive device held to the display screen of a computer terminal for passing information to the computer. That's a definition I got off the computer


What are the types of mechanical work?

The types of mechanical work include static work, dynamic work, and intensive work. Static work refers to work done without motion, dynamic work involves movement, and intensive work focuses on the internal energy changes within a system.


How does input work and out put work affect the efficiency of a simple machine?

Input work is the work done on a machine, while output work is the work done by the machine. Efficiency of a simple machine is calculated as the ratio of output work to input work. The efficiency of a simple machine is high when the output work is close to the input work, indicating that the machine is converting most of the input work into useful output work.

Related Questions

Which input device cannot be used to work in ms-office?

lightpen


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What is use of lightpen?

A lightpen is a device used in conjunction with a computer monitor to allow users to interact with the screen by pointing directly at displayed objects or text. It emits a light beam that can be detected by the screen, enabling selections or drawing directly on the display. Lightpens were popular in the 1980s and 1990s, but have largely been replaced by touchscreens and stylus pens on modern devices.


What is meant by input device explain some important input devices?

the devices connected with a computer physically for the purpose of enter data into computer is called input devices. some important input devices are key board mouse scanner joystick lightpen etc.


What are some examples of both input output device?

3 examples of input devices are the keyboard, the mouse, and the stylus. An input device is used for entering data into the computer. 3 examples of output devices are printers, monitors, and USB Drives. They are used for making information from the computer useful.


What is the description of a lightpen?

A light pen is a computer input device that allows users to interact with a computer screen by pointing or drawing directly on the monitor. It picks up light emitted by the screen to determine its position, enabling users to select items or input data by tapping on the screen with the pen. Light pens were commonly used in early computer systems before the widespread adoption of touchscreens and other input devices.


What is a lightpen?

A light pen is: a handheld, penlike photosensitive device held to the display screen of a computer terminal for passing information to the computer. That's a definition I got off the computer


How did African slaves get education?

They got their education by secretly learning it if their master didn't allowed because it was illegal. Sometimes, their masters tought the slave even though it was against the law. By secretly learning it, they could learn it off another slave or steal a book and educate themselves.


If a Mexican were to come and live in the US what do they do here?

Work , Work , Work , Work , Work , Work ! They do what You lazy Americans don't . Mexicans work hard . They do it all !


What is a work calendar?

A calendar at your work, for your work, that has your work schedule on it, etc.


What is the verb in you work late?

The verb in "you work late" is "work."


Will American cd's work in Australia?

Yes it can work Yes it can work Yes it can work Yes it can work