Resolution is the amount of space between the centers of adjacent pixels. Mouse is an important input device. A pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to move the mouse cursor in a computer program or GUI operating system. It converts optical waves to electrical waves. As the old-style cathode ray tube scanned the screen, line by line - the light pen would produce a pulse of electricity as the bright spot passed under it’s tip. Touch pad. ... You can use any pencil, pen, felt-tip or highlighter pen to colour in the marks for an OMR. answer choices . True 5. 5. 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. False. Light Pen. All hard drives use magnetic storage technology to retain data. True. Which of the following is not a scanning device? If you see an icon on the screen that represents a software program, you can _____the icon to start the program T/F Java and C++ are _____ languages. True or False A keyboard is an example of a pointing device. QUESTION 11. A computer is an information processing machine. I am an avid comic book reader, and it got me thinking that it may be a great way to introduce my 5 year old son to books. today's touch capacitance styli for … There is not really a large choice of games when it comes to free ones online that are compatible with... What Is The Speed Of Light Through A Solid, Liquid And A Gas? Now a day computer is one of the most important field for every examinations. How Many Catholic Popes Have Been Married? It converts optical waves to electrical waves. It sends electrical signal along the cable which indicates whether or not light of sufficient intensity is being sensed. What is Mouse? Other activities to help include hangman, crossword, word scramble, games, matching, quizes, and tests. True or False: Trackpad is another word for trackball. False. Barcodes are found on most items at the supermarket9. It consists of a photocell and an optical system placed in a small tube. MCQs on input and output devices (GK Objective Question Answer) exam question answer for competitive exam of govt jobs. 6. which is not done, online true and false are there no rewriting is there. A light pen is a pen shaped device. True. What Is The Difference Between Light And Sound Waves? QUESTION 12. a. False. 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.. It is used to select a displayed menu item or draw pictures on the monitor screen. 4. T. There are several input devices used to provide input to computers. During the 1960s, light pens were common on graphics terminals such as the IBM 2250 and were also available for the IBM 3270 text-only terminal. • Clicking is performed by pressing the pen on screen. The pointer does not move when the mouse is lifted off the mouse pad. True b. [citation needed], This article is about the computer input device. False. False 2. The quiz below is an … For example, the Tandy 1000 SX has a DE-9 light pen conector on the rear panel; on the later-introduced Tandy 1000 TX, this light pen interface has been replaced with a serial port using the same connector in the same location. Bar Code Readers • It emits a beam of light which reflects off the bar code image. MICROPHONE 24. Joy stick is input device use to enter data into the computer. This small tube has photo cells. False. What Do You Think Was The Lowest Time (Humanity Wise) In History? True or false? The first light pen was created around 1955 as part of the Whirlwind project at MIT.[2][3]. Try this amazing Computer Science Grade 4 quiz which has been attempted 10910 times by avid quiz takers. Unlike other pointing devices, it reacts to sustained force … • It consists of a photocell mounted in a pen shaped tube. Free flashcards to help memorize facts about e-book chapter 5. Word State true or false 1. Light Pen • It is a pointing device. 4. Light pen is used to choose displayed menu option on screen for a particular program. Light Pen • It is a pointing device. On the top of the button there is push button and other buttons are placed on the base of handler. A mouse is also known as a 'pointing' device. 24. IBM PC compatible CGA, HGC and some EGA graphics cards also featured a connector compatible with a light pen, as did early Tandy 1000 computers,[notes 1] the Thomson MO5 computer family, the Atari 8-bit, Commodore 8-bit, some MSX computers[4] and Amstrad PCW home computers. ... 4 , question no: 2, the full question is that we have to write true and false and re-write the false statement. SURVEY . The Joystick is a pointing device. Used with a CRT monitor, these devices were an early form of manipulating and highlighting data on the screen. False

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Tags: Question 9 . Bar Code Readers • It emits a beam of light which reflects off the bar code image. See Semi-Automatic Ground Environment for more details. Explain the functions of Mouse Buttons. 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. True. Movement of object is handled by the handler. True. Reply Delete. A (n) ___ can be used to convert flat printed documents, such as a drawing or photograph, into digital form. It is pointing device like mouse and track ball. Fax; Camera; Scanner; Webcam; 5 points . [5], Because the user was required to hold their arm in front of the screen for long periods of time (potentially causing "gorilla arm") or to use a desk that tilts the monitor, the light pen fell out of use as a general-purpose input device. a. mouse b. trackball c. light pen d. all of the above 5. Input Output Device Based MCQ. c. stylus 13 Which of the following type of device gives you control over the movement of the on-screen pointer? But no problem i have covered it. 4. True. Light pen. B. Also explore over 51 similar quizzes in this category. Also input by a light penis after than that given by using keyboard. MCQs on input and output devices (GK Objective Question Answer) exam question answer for competitive exam of govt jobs. B. A computer will only give what it receives. Registers 8. Ans. The light pen has an advantage that it eliminates the need to type the input. False. The pointer does not move when the mouse is lifted off the mouse pad. A. OMRs are an excellent way of inputting data because the Reader can deal with thousands of forms an hour. "A Critical History of Computer Graphics and Animation", "The Computer Desktop Encyclopedia (entry for Light Pen)", https://en.wikipedia.org/w/index.php?title=Light_pen&oldid=999104696, Articles with unsourced statements from January 2012, Creative Commons Attribution-ShareAlike License, This page was last edited on 8 January 2021, at 14:32. How To Wire A Switch To An Existing Light With Sensor And A Receptacle? T. F. 3. ... A _____ is a pointing device that moves the cursor on the screen, allowing fast, precise cursor positioning. scanner The quality of … The abbreviation dpi stands for "dense pixel interface" False. A(n) _____ is a light-sensing input device that reads printed text and graphics and then translates the results into a form the computer can process. • It consists of a photocell mounted in a pen shaped tube.

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