The mouse is used to run a program and pull down a menu in GUI (Graphical User Interface) base computer system.. Touchpad is used in laptop or notebook computer.. Print quality of dot matrix printer is . Computer Graphics | Light Pen - javatpoint Optical input device. It is used to select a displayed menu item or draw pictures on the monitor screen. Optical input devices allow computers to use light as a source of input. You can use the input device to enter information and problem-solving commands. What is a light pen? OMR uses an input device called an optical mark reader to detect marks made in certain places on . Input Devices and functions of Input Devices ... Mouse: This is another most familiar input device, the mouse. Since it is so like using a pen, it is very easy to create ' hand-drawn ' sketches. What is a light pen? Input devices - W3spoint Keyboard: The most commonly found input device is the keyboard. What is Computer Light Pen ? (In Hindi) | Latest Input Device If you have given any objective question offline, then you are given a separate sheet to tick the answer, on which four options are available and the option which is right in your question paper is rounded in the answer sheet. MCQ Tutorial - MCQ Questions in Light Pen, Punched Cards ... input devices we the keyboard, the mouse, the scanner, the light pen and many other, then output devices we the following the printer, the projector, the white boards . Joystick: This is the joystick you would have . The Central Processing Unit (CPU) of a computer receives the input and processes it to produce the output. This device is similar to pen which is used to display menu items and draw pictures on monitor screen. a.Mechanical Input device b. Optical input device c. Electronic input device d. Optical output device For answer of this question and many more similar questions, visit www.khilare.com type input device • Pedal simulates car brakes and accelerator joystick pedal wheel p. 5.11 Fig. What is Optical Input Devices | Optical Character ... a) mechanical input device b) optical input device c) electronic input device d) optical output device 3. A graphics tablet (also known as a digitizer, digital graphic tablet, pen tablet, or digital art board) is a computer input device that enables a user to hand-draw images, animations and graphics, with a special pen-like stylus, similar to the way a person draws images with a pencil and paper.These tablets may also be used to capture data or handwritten signatures. Bar code readers use _____ embedded in them to read bar codes. A. mechanical input device. c. Electronic input device. A light pen is used for selecting a displayed menu item or for drawing pictures on the monitor screen. )An input device that utilizes a light-sensitive detector to select objects on a display screen. 5-17 Next light pen Other Pointing Devices Flatbed Pen or Handheld Sheet-Fed Drum It is a pointing device that controls the cursor. D. . Buy Logitech 965102-0100 Digital Pen for PC online at low price in India on Amazon.in. 100+ Computer Fundamental Questions and Answers for ... OMR(Optical Mark Reader): OMR is an input device that is used to read an OMR sheet. a. MCQs on input and output devices (GK Objective Question Answer) exam question answer for competitive exam of govt jobs. The Plotter uses pen, pencil, marker, or writing devices instead of tonner. D. Character and mark recognition device 10. 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. eliminate the need for manual entry of data, thus accuracy Three examples of optical input devices are: 1. barcode reader 2. image. What is a light pen? Examples of pointing devices include mice, trackballs, joysticks, touchpads, and light pens. Light Pen. Scanners and Reading Devices An optical scanner, usually called a scanner, is a light-sensing input device that reads printed text and graphics and then translates the results into a form the computer can process. Also, the light pen is an optical input device. What is a Light Pen? - Definition from Techopedia Light pen is a pointing device, which is similar to a pen. Pointing device. What is a pointing device what it is used for ... Which is considered a direct entry input device? D. Different Types of Input Devices. There are a photocell and an optical system present within a small tube. D. optical output device. The Plotter is a computer hardware device like a printer used to print vector graphic images. Explaination : Setup() is called once in the program when a sketch starts after power-up. Light Pen: 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. It is work like a photocopy machine it is used when some information is available on paper and it to be transferred to a hard disc to manipulate data. A light pen is a computer input device in the form of a light-sensitive y'Bold text'and used in conjunction with a computer's CRT display. Optical. Please Like And Subscribe My Channel !in this video you will learn about the light pen definition and introduction of lightpen in computer. 11.) Other Related Materials. Optical input device. C. stylus. a. American Stable Code for International Interchange. Input device enables the user to send data, information, or control signals to a computer. For example keyboard, mouse, etc. This is a device similar to a pen. C. Light pen. 51. A scanner is a device usually connected to a computer. A Mechanical Input device. Light Pen 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. Share this link with a friend: Copied! Light Pen. The light pen is a computer input device resembling a pen used to read bar codes, also capable of pointing at the object and characters on the monitor screen. Light pen. Last Answer : b) Optical input device. The light pen works well with CRT monitors because of the way such monitors scan the screen, which is one pixel at a time, giving the . Punched cards were first introduced by: a. This device is used to select an item displayed in the menu or to draw anything on the display. Camera. pressing keys. Ever wondered how much you know about input devices in computers? a) A Mechanical Input device b) Optical input device c) Electronic input device d) Optical output device. Chapter - 3. 2. d. Optical output device. 53. Source: Online General Knolwedge. It can be text, graphics, tactile, audio, and video. Mouse. 1. Pointing stick. Digitizers convert analog or physical input into digital images. Some of the input devices used in a computer are keyboard, mouse scanner, joystick, touch screen, touchpad, track ball, bar code reader, light pen, optical code reader (OCR), MICR, OMR, microphone, digital camera, webcam, card readers, digitizing tablets, etc. In the picture, is an example of a woman using a light pen to highlighttext on the screen. Data about the stylus movements are sent to the computer. Bar-code scanners are used widely at point-of-sale terminals in retail stores. Used with a CRTmonitor, these devices were an early form of manipulating and highlighting data on the screen. A. What is a light pen? Input Devices. Answer: (b). Light pen. It is also considered a handheld light-sensitive device known as a "Pointing Device". Now a day computer is one of the most important field for every examinations. C. RFID microchip. Keyboard. What is a light pen? The light pen is the computer input device which is used in conjunction with the computer's cathode ray tube display. This device is similar to pen which is used to display menu items and draw pictures on monitor screen. Mechanical Input device: B.) What is the name of the display feature that highlights are of the screen which requires operator attention? Answer: (c). The keyboard is the most common type of input device. 1 answer. The object location is detected by the light sensitive tip of the light pen which then sends corresponding signals to the CPU. Scanner. Since 1995, more than 100 tech experts and researchers . Light Pen. These facilitate getting data and information into your computer. A. Optical output device CPU contains_____? Which is not a pointing device? Computer Fundamental MCQs, Computer MCQs , MS Office, MS Excel, MS Word, MCQ on Internet, MCQ Quiz KPPSc MCQs, MCQ of Computer Science, NTS GAT, Computer has become most demand able thing in any work. is a light-sensitive pen-like device that uses a wired connection to a computer terminal . Microphone. Islamic University of Technology . a card reader and a printing device. Because of their compact size, touchpads are most often used with _____ computers. It allows the user to point the displayed objects or draw on the screen with the greater positional accuracy. Bar card reader A. Optical scanner. Light Pen Just like a pen, a light pen is a digital pointing device. Its applications are generally in Computer-Aided Designing (CAD) and playing computer games. Light Pen. The tip of a light pen is moved over a monitor screen. Light Pen. A pointing device often used by designers and artists to allow natural hand movements to be input to graphics applications. Loop() is used after setup() been called, function loop() is executed repeatedly in the main program. Which of the following is not a type of scanning device? Keyboard. B. optical input device. It is an input device having an identical look to a pen. Track Ball. » Pick devices—light pen, touch screen Source data entry devices » Audio input—speech recognition » Video input—digital camera » Scanner—hand-held scanner, flat-bed scanner » Optical Scanner—OCR, OMR, MICR, barcode reader The input is provided to the computer using an input device, and must be translated to a form that the . An optical pen is a lightweight, pen-shaped pointing device. A:Mechanical Input device,B:Optical input device,C:Electronic input device,D:Optical output device 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. . Almost all departments have computer need. A light pen is similar to a mouse, except that with a light pen you can move the pointer and select objects on the display screen by directly pointing to the objects with the pen. It contains a photocell and an optical sensor placed in a small tube at the tip. Optical mark reader. input devices. Light Pen is an input Device. 2. 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 is used to choose objects or commands on the screen either by pressing it against the surface of the screen or by pressing a small switch on its side. This makes them related to both scanners and mice, although current digitizers serve completely different roles. search. Explaination : Setup() is called once in the program when a sketch starts after power-up. a control unit and an arithmetic logic unit. Some of the output devices are Visual Display Units (VDU) i.e. Electronic input device. There are dozens of possible input devices, but the two most common ones are a keyboard and mouse. A Mechanical Input device. C. electronic input device. Several other such types of equipment are used in different fields which can be counted as an input device. Bit Coded Decimal c. Binary Coded Digit d. Bit Coded Digit. Mechanical Input device B. Optical input device C. Electronic input device D. Optical output device How we use it act. A stylus is held like a pen and moved over the surface of the tablet. So dear reader I have provided top expected gk questions from input and output device of computer. light pen. Input Output Device Based MCQ. This is a Most important question of gk exam. Keyboard is the most basic input device. Light pen. Mouse. Graphics tablet. laptop. The device which is used to position the screen cursor is. Loop() is used after setup() been called, function loop() is executed repeatedly in the main program. Scanner is an example of optical input device. It is the device used to enter text. Optical inout devices that uses light as a source of input. The keyboard is a basic input device that is used to enter data into a computer by. D. Scanner. A. coprocessors. It consists of a photocell and an optical system placed in a small tube. The tip of a light pen is moved over a monitor screen. Options are: A.) a) Mechanical input device b) Optical input device c) Electronic input device d) Optical output device. : //techhighland.blogspot.com/2019/07/input-device.html '' > input devices within a small & # x27 ; &. 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