Understanding Dot Pitch and Color Depth in Computer Graphics
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Questions and Answers

What is the purpose of dot pitch in computer graphics?

  • To determine the color depth
  • To calculate the refresh rate
  • To set the display mode
  • To measure the distance between same color dots (correct)

    • How many colors can be represented with 8 bits in color depth?

  • 512 colors
  • 128 colors
  • 256 colors (correct)
  • 64 colors

    • What does the text mode in display modes do?

  • Divides the screen into an array of pixels
  • Supports high color resolution
  • Divides the screen into rows and columns of boxes, each containing a character (correct)
  • Allows for displaying various shapes and objects

    • What determines the amount of storage needed for each dot on the screen?

    <p>The memory required for each dot</p> Signup and view all the answers

    Which term refers to the smallest addressable element of the screen in graphics mode?

    <p>Pixel</p> Signup and view all the answers

    How many colors can be represented with 24 bits in color depth?

    <p>16 million colors</p> Signup and view all the answers

    What are the two fundamental ways to specify the position of a point in Computer Graphics?

    <p>Absolute coordinates and relative coordinates</p> Signup and view all the answers

    How are lines or edges represented in Computer Graphics?

    <p>By two points</p> Signup and view all the answers

    What type of data structure is the simplest form used for storing picture information?

    <p>Linear list</p> Signup and view all the answers

    Which of the following is NOT an application of Computer Graphics as mentioned in the text?

    <p>Medical imaging</p> Signup and view all the answers

    What is the file called that stores the information used to present a picture in Computer Graphics?

    <p>Database</p> Signup and view all the answers

    What are the three fundamental operations when treating a point as a graphic entity?

    <p>Move beam, draw invisible line, display a dot</p> Signup and view all the answers

    What is the purpose of the pick function in computer graphics?

    <p>Identify or select object within a displayed picture</p> Signup and view all the answers

    How does a computer graphics tablet provide feedback when used in conjunction with a CRT display?

    <p>Cursor follows the movement of stylus on the tablet surface</p> Signup and view all the answers

    What happens when a finger interrupts the two orthogonal beams in a touch panel?

    <p>X,Y coordinate pair is generated</p> Signup and view all the answers

    What is the resolution and accuracy range of a computer graphics tablet?

    <p>0.01 to 0.001 inches</p> Signup and view all the answers

    How does a low-cost touch panel allow users to interact with a computer?

    <p>By touching the screen directly</p> Signup and view all the answers

    What type of device is commonly used as a locator device in computer graphics?

    <p>Computer Graphics Tablet</p> Signup and view all the answers

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