US8284175B2 - Light pointing device employed in input ... It is used to select options from a menu or to draw images. The light pen's tip has a light-sensitive detector that allows users to pick items on the display screen by pointing to them. Which of these is NOT a pointing device?-light pen -touchpad -trackball -scanner. Not all of these laser pointer pen, however, will fit your needs. It consists of a photocell and an optical system placed in a small tube. Touchpad - a small, flat and rectangular pointing device . Examples of pointing devices include mouse, trackball, joystick, touchpad, and light pen. When the tip of a light pen is moved over the monitor screen and pen button is pressed, its photocell sensing element detects the . It is used to select a displayed menu item or draw pictures on the monitor screen. Mouse b. Benefits of input devices - Opera News Light Pen . It consists of a Photocell mounted on a pen-shaped tube and is capable of sensing a position on the screen when its tip touches the screen. Light Pen. The tip of the light pen contains a light-sensitive element which placed against the screen, detects the light from the screen enabling the computer to identify the location of the pen on the screen. Light pen is a pointing device similar to a pen. on a touch screen computer. Which pointing device uses a mouse like copying apparatus called a puck to convert drawings to digital data? Light pen is a pointing device similar to a pen. It allows the user to point the displayed objects or draw on the screen with the greater positional accuracy. Pointing Devices - Weebly Light pens have the advantage of drawing directly on to the screen. This is a Most important question of gk exam. Light pen is a pointing device similar to a pen. It consists of a photocell and an optical system placed in a small tube. A light pen is also a pointing device that can be used to select an option by simply pointing at it. Light Pen. Light pen is a pointing device which is similar to a pen. Traditional or mechanical mouse has a cable connected to the computer. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) OMR (Optical Mark Recognition) Which kind of device reads "bubble" marks and converts them into computer-usable form? 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. Connecting you to a tutor in 60 seconds. Digitizer. It is an input device that allows users to capture sound waves and transfer them in digital format to the computer. It is a pointing device. A user brings the light pen to the desired point on the screen and presses a button, causing it to identify the current location. Keyboard. When its tip is moved over the monitor screen, and pen button is pressed, its photocell sensing element detects the screen . Light Pen. The tip of the light pen contains a light sensitive element which when placed against the screen, detects the light from the screen enabling the computer to identify the location of the pen on the screen. Light Pen. It is a light-sensitive device consisting of a photocell and an optical system placed in a small tube. Light pen is a pointing device which is similar to a pen. • 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. A light pen may refer to any of the following:. It is mainly used to select on-screen items, draw pictures, and write independently in document files using a computer screen. a. Input Devices Pointing Devices Light Pen • A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's CRT display. Input Devices. What is a light pen? In the picture, is an example of a woman using a light pen to highlight text on the screen. the tip of the pen has a light detector that senses the intensity of light on a screen and emit signals so that the computer can calculate its position. Light Pen. It is used to select a displayed menu item or draw pictures on the monitor screen. Light Pen. With the help of a Light pen, you can draw very easily. It is normally like a pen and is used to directly point at the objects seen on the screen. 639. Look at your school computer and list 3 input and 3 output devices. It consists of a photocell and an optical system placed in a small tube. Correct Answer of this Question is : A optical mouse uses a LED to detect the position of the mouse on your desk/ table. A light pen has photo-detector at its tip. Light Pen - The light pen is a pen that looks like a pen that is used for drawing picture on the screen. 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.. Lightpen is a pointing device similar to a pen. Using a pointing device, you can point at or manipulate any object or text on the screen. The Wii® remote, which works only with the Nintendo® Wii® console, may be considered a special type of pointing device. Pointing stick . Used with a CRT monitor, these devices were an early form of manipulating and highlighting data on the screen. 1. A light pen is a light-sensitive pointing input device commonly used to select or otherwise modify text or data on a screen. The term light pen can also refer to a pointing input device that uses a light that is commonly use during a presentation. This detector can detect changes in brightness of the screen. Granted Application number US14/532,223 Other versions US10061403B2 (en Inventor J . Touch Screen. A graphics tablet is a pointing device which uses the pressure of a stylus pen to draw thick or thin lines, you can also use it as a pointing device to control the mouse cursor so you don't have to switch between the mouse and the graphics tablet each time you want to select an option from the drop-down menus. It is used to select a displayed menu item or draw pictures on the monitor screen. Light pen is a pointing device which is similar to a pen. - Light pen - This is a pointing device consisting of a small rod that looks like a pen. Light pen. It is used to select a displayed menu item or draw pictures on the monitor screen. Track ball is rarely used in place of a mouse. Scanner. A light pen is a pointing device that can be used to select anything on the computer screen by simply pointing at it or for drawing figures directly on the screen. Light Pen . 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