Computer Graphics Quiz
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Questions and Answers

What does each screen pixel correspond to in the frame buffer?

  • A random memory location
  • A specific register in the CPU
  • A single bit in the memory
  • A particular entry in a two-dimensional array (correct)
  • How does the number of rows in the frame buffer array relate to the display screen?

  • Equals the number of raster lines on the display screen (correct)
  • Is half the number of raster lines on the display screen
  • Is double the number of raster lines on the display screen
  • Is unrelated to the number of raster lines on the display screen
  • What is the purpose of the frame buffer in relation to the CPU?

  • Accessible to the CPU for rapid image updates (correct)
  • Is solely controlled by the CPU
  • Provides additional storage for the CPU
  • Acts as a backup for the CPU's memory
  • How does the term 'pixel' relate to the frame buffer array?

    <p>Describes the row and column location in the frame buffer array</p> Signup and view all the answers

    Why are we limited to a finite number of points (pixels) on a computer?

    <p>The machine is finite</p> Signup and view all the answers

    Study Notes

    Frame Buffer and Pixels

    • Each screen pixel corresponds to a memory location in the frame buffer.
    • The number of rows in the frame buffer array determines the vertical resolution of the display screen.
    • The frame buffer acts as a buffer between the CPU and the display, storing the data that needs to be displayed on the screen, allowing the CPU to focus on other tasks.
    • A pixel (Picture Element) is the smallest unit of a digital image, and in the context of the frame buffer, it corresponds to a single element in the frame buffer array.
    • We are limited to a finite number of points (pixels) on a computer screen because digital displays are made up of a grid of discrete pixels, with each pixel having a finite amount of information associated with it, which in turn limits the maximum resolution of the display.

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    Description

    Test your knowledge of computer graphics with this quiz covering topics such as outline frame buffer, vectors, unit vector measurement, and more. See how well you understand the concepts related to frame buffer and its accessibility to the CPU for rapid image updates.

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