Question No : 62. Q11.Define refresh buffer/Frame buffer? Here you'll discover a listing of the Computer graphics Interview Question, which exams your primary Computer graphics knowledge. Differentiate between raster and random scan displays. On a black and white system with one bit per pixel , the frame buffer is called a_____. 2. As the electron beam moves across each row, the beam intensity is turned on and off to create a pattern of illuminated spots. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. 4. B. Random-scan system. ANSWER a. Picture description is stored in the memory area called as Refresh buffer, or Frame Buffer. The electron beam sweeps back and forth from left to right across the screen. Although many technologies exist, the operation of most video monitors is based on the standard Cathode Ray Tube (CRT) design. In ______ picture or graphics objects are presented as a collection of discrete picture element. These Multiple Choice Questions (MCQs) should be practiced to improve the Computer Graphics skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations. ; BMP, GIF, JPEG, EXIF, PNG, and TIFF are bitmap file formats. 9. Answer : (B) Beam penetration method and shadow mask method Which component of computer graphics is to pass the contents of frame buffer to monitor ? As the electron beam moves across each row, the beam intensity is turned on and off to create a pattern of illuminated spots. An IBM System/38 represents the computer class of: The correct answer is: X1=x.sx,y1=y.sy,z1=z.sz. The main element of a video monitor is the ? Specific data type b. The screen is scanned from left to right, . Electrical signals b. Analog signals c. Digital signals d. None of these 80. 3. Computer Graphics Objective type Questions and Answers. Selective or part erasing of screen is not possible in? (x,y) coordinates of seed point. This ordering of pixels by rows is known as raster order, or raster scan order. Which polygon fill algorithm needs following information - 1.Boundary Color (BC), 2. A raster graphic, such as a gif or jpeg, is an array of pixels of various colors, which together form an image. Special data type c. Spatial data type d. System data type The end product of the computer graphics is a picture; it may be a business graph, drawing, and engineering. A Beam penetration technique . [2] Ans. C. Only b. D. . out put device for graphics. Ans. A collection of piconets is called scatternet . Raster Scan System: Random Scan System: 1. . 9. Fill Color (FC) and 3. 12. raster scan display. 469. a. Vector and raster. Discussion. This process is known as? A) buffering of screen B) refreshing of screen C) rendering of screen D) highlighting screen 20. 9. The picture is built up in the frame buffer one bit at a time. the screen images is maintained by repeating scanning the same image. 3. These Multiple Choice Question with Answer are useful for the preparation of IT exams. B. Random-scan system. In how many ways, we can display an object on the screen? Ans. Q10. 80. S.No: Raster Scan System: Random Scan System: 1. Explanation: In a raster- scan system, the electron beam is swept across the screen, one row at a time from top to bottom. ; Pixels all the basic sources of information. Three dimensional graphics become popular in games designing , multimedia and animation during the late. 2)the lines produced are ziz-zag as the plotted values are discrete. B. Random-scan system. Raster-scan system. In raster scan when the beam reaches the right-hand side of the screen it undergoes a process known as horizontal flyback, in which its intensity is reduced and it is caused to "fly back" across the screen (the top-most mauve line). The Raster scan system is a scanning technique in which the electron sweep from top to bottom and from left to right. Which of the following is component of graphics? Random Scan C. X Scan D. Y Scan Q8. In the frame for which interlaced scanning is used, alternate lines are skipped during vertical scanning because the vertical scanning frequency is doubled from 30 to 60 Hz. 34) In the raster scan method for transformation, a 900 rotation can be performed by? GI science majorly contributing a. An example of impact device is a . Q7. vector scan display. The quake , one of the first fully 3D games was released in year. Hence, the value of every pixel is assigned from the starting pixel to the ending one. As the electron beam moves across each row, the beam intensity is turned on and off to create a pattern of illuminated spots. A. bitmap B. pixmap C. bitpixmap D. pixbitmap ANSWER: A 37) The cost of vector scan display is_____ cost of . The fly-back of electron beams from one scanline to next is known as : In raster scan display, the screen image is repeatedly scanned, this process is called _____. b. Scalar and raster. 10+Computer Graphics MCQ. 4. A) Flip-flop Register B) Shift Register C) RS Register D) Counter Register. A cathode-ray tube is a central technology used in a device called a Cathode Ray Oscilloscope which is the scientific name of the type of television . You know that a memory bit has only two states, therefore a single bit plane yields a black-and white display. In a raster scan displays the electron beam is swept across the screen, one row at a time from top to bottom. Identify the odd one out from the following a)Vector display b)Raster scan display c)Calligraphic display d)Stroke-writing display Ans: Raster scan display 22. PART 3: MCQs from Number 101 - 152 Answer key: PART III. ; Raster graphics are independent of display devices which means a bitmap image file can be viewed without any graphics adaptor. 11. An example of impact . A frame buffer is a large, contiguous piece of computer memory.At a minimum there is one memory bit for each pixel in the rater; this amount of memory is called a bit plane. a) Raster-scan system b) Random-scan system c) Only b d) Both a and b. As the electron beam moves across each While the beam is flying back, it is also pulled a little way down the screen. In a raster scan displays the electron beam is swept across the screen, one row at a time from top to bottom. Answer: (d) All of the above Explanation: Computer Graphics is the creation of pictures with the help of a computer. 5. PART 2: MCQs from Number 51 - 100 Answer key: PART II. Computer Graphics MCQ Questions And Answers. difference between raster scan and random scan display in hindi GIF supports. 79. 10. The electron beam scans only the part of the screen where picture information is present. A process of changing the position of an object in a straight line path is _____. Raster-Scan Displays : The most common type of graphics monitor employing a CRT is the raster-scan display, based on television technology. Raster scan provides the refresh rate of 60 to 80 frames per second. Which of the following is/are category of computer graphics ? ANSWER a. Basically, there are two type of display system, random scan display system and raster scan display system. Random scan system b. Raster scan system c. Both a & b d. None of these 78. In computer graphics,pictures or graphics objects are presented as a collection of discrete picture element called_ A) dots B) pixels C) LCD stands for A. Feedback. Frame buffer is also known as Raster or Bitmap. Types of computer graphics are. Random scan is a method in which the display is made by the electronic beam, which is directed, only to the points or part of the screen where the picture is to be drawn. _____ stores the picture information as a charge distribution behind the phosphor-coated screen. a) Cathode ray tube b) Direct-view storage tube c) Flat panel displays . 3. If the horizontal flyback is 10%, this time equals 6.4 µs. 7. -- refreshing of screen -- redisplay -- Redrawing -- both c and b . A) Scan conversion B) Video controller C) Raster-scan system D) Lookup table (LUT) 59. Raster Scan. The screen is scanned from left to right, top to bottom all the time to generate graphics by: a) Raster scans b) Random scan c) Vector scan d) Stoke writing Answer: a Clarification: In a raster- scan system, the electron beam is swept across the screen, one row at a time from top to bottom. In raster scan, Each screen point is referred to as a? Raster Scan Displays are most common type of graphics monitor which employs CRT. A bitmap basically describes a type of image. . On the other hand, vector or random refresh display stores only the commands for drawing the line segments. Question 15. The primary output device in a graphics system is a video monitor. Video monitor c. Neither a nor b d. Printer . Here you can access and discuss Multiple choice questions and answers for various competitive exams and interviews. 9. Solved examples with detailed answer description, explanation are given and it would be easy to understand The term that is not synonymous with 'vector CRT' is a) Calligraphic CRT b) Raster CRT Techniques to display an image on the screen. Piconet is the basic unit of a bluetooth system having a master node and upto seven active slave nodes. The primary output device in the graphics system is_____ a. Scanner b. 2 C. 4 D. 6 Q9. Random scan system b. Raster scan system c. Both a & b d. None of these . Show Answer. Computer Graphics MCQ - Graphics Hardware and Display devices. MCQ | Types of Transformations (Translation, Rotation and Scaling) in Computer Graphics. 1. In a raster scan system, the electron beam is swept across the screen, one row at a time from top to bottom. 18. In Cohen Sutherland Line Clipping Algorithm, each region of the display screen is assigned bits A. Explanation: In a raster- scan system, the electron beam is swept across the screen, one row at a time from top to bottom. Note*: We need your help, to provide better service of MCQ's, So . 2-10 How much time is spent scanning across each row of pixels during screen refresh on a raster system with a resolution of 1280 x 1024 and a refresh rate of 60 frames/second? A raster scan display system with 24 bits per pixel and a screen resolution of 1024x1024 requires a frame buffer size 1 Mega Bytes 3 Mega Bytes 8 Mega Bytes 24 Mega Bytes. Region filling and clipping . Since resolution = 1280 X 1024 1 frame buffer consist of 1024 scan lines It means then 1024 scan lines takes 1/60 sec Therefore, 1 scan line takes , 1 Sec = 0.058 sec 60 X 1024 k bytes 9. The Raster scan system is a scanning technique in which the electron sweep from top to bottom and from left to right. Which Color producing technique is more suitable for raster scan system S Computer Graphics. Raster can be explained as a rectangular collection of dots or points plotted. Graphics data is computed by processor in form of a. In a rater-scan system, the electron beam is swept across the screen, one row at a time from top to bottom. 14 thoughts on " MCQ on Computer Graphics Multiple Choice Questions . C. Only b. D. Both a and b. The process of digitizing a given picture definition into a set of pixel-intensity for storage . Computer Graphics | Raster Scan and Random Scan Display: In this tutorial, we are going to learn about the Raster Scan and Random Scan Display in Computer Graphics, these Scanning methods, and we will also learn each of them in detail. Define Random Scan/Raster Scan displays. Raster-scan system. In raster scan system electron beam sweeps across the screen, from top to bottom covering one row at a time.A pattern of illuminated pattern of spots is created by turning beam intensity on and off as it moves across each row. 2. 2. Shadow mask method is used in a. Computer Graphics MCQ Questions and Answers pdf. Data b. Graph c. Network d. Logic 5. 6. As the electron beam moves across each row, the beam intensity is turned on and off to create a pattern of illuminated spots. MCQ | Random Scan and Raster Scan in Computer Graphics Multiple choice questions and answers (MCQ) based on the random scan and raster Question 1: What are Random scan and Raster scan techniques? Random scan is a method in which display is made by electronic beam, which is directed only to the points or parts of the screen where picture is to be drawn. It is also named Queue. There are two ways (Random scan and Raster scan) by which we can display an object on the screen. Ans. Pixel is also referred to as _____. Raster-scan system:-1)raster displays have less resolution. Q11.Define refresh buffer/Frame buffer? 5. For Example: Television Computer Graphics MCQ-5. 2. It operates in a FIFO fashion. In which environment has been one of the most accepted tool for computer graphics in business and graphics design studios. Raster-Scan Displays and Random Scan Displays. In raster scan display, the screen image repeatedly scanned, this process is called _____. Sol. Answer: a Clarification: Raster-scan system uses shadow-mask method because they produce wide range of colors. Raster-scan system. a . 5)In this case, the electron beam is swept . SDT means a. The process of distilling points, lines and polygons from a scanned image is called _____ a. Digitizing b. Scanning c. Vectorization d. Imaging 4. a)Line drawing commands b)Scanning instructions c)Image Resolution d) Intensity information Ans: Line drawing commands 22. Dragging in computer graphics can be achieved through which of the following transformation? mcqcollection.com website that provides Engineering MCQ with the answer and competitive . In a raster scan display, the frame buffer holds : S Computer Graphics. MCQs: The screen is scanned from left to right, top to bottom all the time to generate graphics by: - (A) Raster scans - (B) Random scan The process of determining the appropriate pixels for representing picture or graphics object is known as _______. 60. 3)high degree realism is achived in picture with the aid of advanced shading and hidden surface technique. d. heghlighting screen . Select one: a. Macintosh. Contrasting in random scan displays the electron beam is directed to the parts of the screen where a picture is to be drawn. Computer Graphics MCQ-8. raster scan displays random scan displays The electron beam is swept across the screen, one row at a time from top to bottom. This process is known as? [A] it is used with raster scan monitors [B] It is used with random scan monitors [C] By using beam penetration method a wide range of colors can be obtained [D] It uses three beam penetration gun,one for each green,blue and red colors Random-scan system mainly designed for a) Realistic shaded screen b) Fog effect c) Line-drawing applications d) Only b The primary output device in a graphics system is_____ a) Scanner b) Video monitor c) Neither a nor b d) Printer. Q.1(c) Explain Raster Scan. In a raster scan system, the electron beam is swept across the screen, one row at a time from top to bottom. This Computer graphics Interview Question includes 50+ Best Choice Questions, which might be very beneficial in getting ready to solve all your Computer graphics concepts. scan system uses an electronic beam which operates like a pencil to create a line image on the CRT. The primary output device in a graphical system is the ______. a. Answer- Random scan is a method in which display is made by electronic beam, which is directed only to the points or parts of the screen where picture is to be drawn. The electron beam is directed to the parts of the screen where a picture is to be drawn. The process of digitizing a given picture definition into a set of pixel-intensity for storage . These Multiple Choice Question with Answer are useful for the preparation of IT exams. Answer: (D) Screen size. c. quake. The Raster scan display algorithm is best suited for realistic shaded drawing because it is works upon the intensity of the pixels. In Raster scan system the electron beam swapped across a screen one row at a time from Top to Bottom .As the electron beam moves across each row .The beam intensity is turned ON or OFF to create a pattern of illuminated spot. It implements a frame buffer. These are the characteristics of ___. Shadow mask method is used in Random scan system b. Raster scan system c. Both a & b d. None of these 79. It is also called vector displays, as it draws picture one line at time. To avoid fading of pixels. CRT stands for : 2. A. buffering of screen B. refreshig of screen C. rendering of screen D. heghlighting screen ANSWER: B 36) On a black and white system with one bit per pixel , the frame buffer is called a_____. 1) _____ refers to the shutting off the electron beam as it returns from the bottom of the display at the end of a cycle to the upper left-hand corner to start a new cycle. All of the above. ; Bitmap format commonly used raster graphic format for saving image files. 78. ___ procedures specify how images are to be . C. Only b. D. Both a and b. raster scan display is used to describe raster scan display is used to describe. View Answer. Show activity on this post. Raster scan display c. Random scab display d. A Monitor that have color capability . A Line drawing commands B Scanning instructions C Image Resolution . In raster scanning system, the screen is scanned a) Top to bottom and right to left b) Left to right and top to bottom c) Bottom to top and left to right d) Bottom to top and right to left 29. What is the difference between raster storage image and vector storage . Students also can take a free test of the Multiple Choice Questions of computer science. The correct answer is ODT.. Key Points. The scan rate for each pixel row is 60 frames/sec × 1024 lines/frame = 61, 440 lines/sec And the scan time is approximately 16.3 microseconds per scan line. This is the Computer Science Questions & Answers section on & Computer Graphics& with explanation for various interview, competitive examination and entrance test. On a black and white system with one bit per pixel, the frame buffer is commonly called as a) Pix map b) Multi . Televisions in our house are based on Raster Scan Method. 2D Transformation. The raster scan system can store information of each pixel position, so it is suitable for realistic display of objects. MCQs of Basic of Computer Graphics. Due to the discrete nature of the system, it has low resolution. It is based on television technology. 4:- यह expensive भी है. b. refreshig of screen. Random scan system b. Raster scan system c. Both a & b d. None of these . The Raster scan system is a scanning technique in which the electrons sweep from top to bottom and from left to right. raster scan,B:random scan,C:vector scan,D:stoke writing Incredible learning and knowledge enhancement platform . Frame Buffer is also known as Raster or bit map. Selective or part erasing of screen is not possible in_______. Q10. 35) In raster scan display, the screen image repeatedly scanned, this process is called _____. A raster scan is based on pixel intensity control display as a rectangular box on the screen called a raster. -- raster scan display -- vector scan display -- DVST -- both a and b Basics. (Scan time per Picture definition is stored in memory area called the Refresh Buffer or Frame Buffer. Contrasting in random scan displays the electron beam is directed to the parts of the screen where a picture is to be drawn. Graphics data is computed by processor in form of a. 3:- यह realistic images को नहीं दिखा सकता. To maintain a steady picture. Hence, a shaded realistic image can be best drawn using this technique. In computer graphics, two or three-dimensional pictures can be created that are used for research. The number of lines scanned per frame in the raster on the picture tube screen is 525. 19. Computer Graphics Multiple choice questions and answers, Important mcq of Computer Graphics, 1) _____ refers to the shutting off the electron beam as it returns from the bottom of the display at the end of a cycle to the upper left-hand corner to start a new cycle. Differentiate raster and random scan displays. The beam is Q 7. The purpose of refreshing a CRT is : To avoid flickering. Q2. Following is the list of multiple choice questions in this brand new series: MCQ in Basic Television (Grob TV) PART 1: MCQs from Number 1 - 50 Answer key: PART II. The beam is on, while it moves from left to right. the screen images is maintained by repeating scanning the same image. d. Scanning 3. The process of digitizing a given picture definition into a set of pixel-intensity for storage in the frame buffer is called a) Rasterization b) Encoding c) Scan . Suppose RGB raster system is to be designed using on 8 inch X 10 inch screen with a resolution of 100 pixels per inch in each direction. In raster scan, Picture definition is stored in memory area called the? As we know that the raster scan system makes use of frame buffer to store intensity value for all pixels on the object. January 3, 2022 healthy pumpkin overnight oats american horticultural society. MCQ Categories; QNA Categories . Raster Scan Display. 4. The electron beam scans the entire screen to draw a picture. Each question has four options followed by the right answer. A directory of Objective Type Questions covering all the Computer Science subjects. Computer Graphics MCQ Questions and Answers pdf. DVST. MCQ.9 Two basic technique for producing color display with a CRT are (A) Shadow mask and random scan (B) Beam penetration method and shadow mask method (C) Random scan and raster scan (D) None of these. Raster: A rectangular array of points or dots Pixel: One dot or picture element of the raster Scan Line: A row of pixels 4. b. multimedia. 1. : In Raster scan, the electron beam from electron gun is swept horizontally across the phosphor one row at time from top to bottom. Differentiate raster and random scan displays. Leverage Crystal Display Computer Graphics MCQs : This section focuses on "Basics" of Computer Graphics. Raster-scan system b) Random-scan system c) Only b d) Both a and b. Question No : 61. In raster scan display, the screen image repeatedly scanned, this process is called _____. What is random scan display? 1 - Question . 28. The cost of vector scan display is_____ cost of raster scan dispay. Raster Scan provides a refresh rate of 60 to 80 frames per second.
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