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Why are light pen is called light pen?
A light pen is called so because it is a handheld input device that can detect light on a computer screen. It uses a photocell to detect the presence of light emitted by the screen, allowing it to function as a pointing device.
What is the function of an optical pen?
An optical pen is a device used to scan and digitize text or images from a physical surface, such as paper. It converts the analog information into digital format, allowing users to edit, store, or share the content electronically. This makes it easier to work with the scanned content without the need for manual transcription.
What is the purpose of light pen?
A light pen is a pointing device that allows users to interact with a computer screen by detecting light generated by the screen. It was commonly used in the past for drawing, selecting items, and entering data directly on the screen.
What kind of machine is a ball pen?
A ballpoint pen is a writing instrument that uses a small rotating ball at the tip to disperse ink onto paper as it is moved across. It is a type of mechanical device that allows for precise and controlled writing.
When was the first light pen invented?
The first light pen was invented in 1955 by computer scientist Ben Gurley at the Royal Canadian Navy Tactical School. It was originally used as a pointing device for computers.
Light pen is mechanical or optical input device?
Mechanical input device
Is a light pen a input output?
Light Pen is an input Device.
Is a light pen a input or output?
Light Pen is an input Device.
What are 10 input and output device?
Input Devices:Keyboard, Mouse, Scanner, Microphone, Joystick, Web Cam, Optical Mark Reader, Optical Character Reader, Optical Bar code Reader, Touch Pen, Graphic digitizer, light pen, Touch pad\screen, Track ballOutput Devices:Monitor, Printer, Plotter, SpeakerBoth:CD, Pen-drive, MODEM, hard drive, tape drive, disk drive
Output device used to draw building plans?
Mouse or light pen
Whether light pen can be consider as a direct input device?
yes it is...you have to put electricity into it to get light out of it
Is lights a input or output?
Light Pen is an input Device.
Why are light pen is called light pen?
A light pen is called so because it is a handheld input device that can detect light on a computer screen. It uses a photocell to detect the presence of light emitted by the screen, allowing it to function as a pointing device.
What are some examples of point and draw device?
Light pen and Joystick.
Can a light pen shared on a network?
no it cannot be used as a sharing device.
Can a light pen be shared on a network?
no it cannot be used as a sharing device.
20 examples of source data entry device?
Magnetic stripe Touchscreen Pen input device Joystick Microphone for voice input Webcam for image and video input Optical character recognition (OCR) scanner Biometric fingerprint scanner RFID reader Light pen Graphics tablet Stylus input device Trackball Game controller Digital camera Signature pad
