Video Output Devices Quiz
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Questions and Answers

What term is used to describe the smallest unit of a digital image or graphic?

  • Resolution
  • Pixel (correct)
  • DPI
  • Frame
  • Which aspect ratio commonly describes the correlation between width and height?

  • DPI
  • PPI
  • 4:3 (correct)
  • Saturation
  • What term describes the number of dots found within a one-inch line of a scan or print?

  • Frame
  • DPI (correct)
  • Pixel
  • Resolution
  • In video and animation, what are individual pictures in a sequence of images called?

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

    What term describes the depth or intensity of color present within an image?

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

    What is the purpose of dithering in computer graphics?

    <p>To mix different colored pixels to create a new color illusion</p> Signup and view all the answers

    How does a plotter differ from a traditional printer?

    <p>A plotter draws continuous lines from vector graphics files</p> Signup and view all the answers

    Which display technology uses a phosphor-coated screen and an electron beam?

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

    What is the function of the frame buffer in raster-scan displays?

    <p>Maintaining the image description and depth per pixel</p> Signup and view all the answers

    What is the term for the frequency at which a picture is redrawn on a CRT monitor?

    <p>Refresh rate</p> Signup and view all the answers

    What is the function of an Electromagnetic tracker in a 3D input device?

    <p>Attaches to head, hands, joints, and objects</p> Signup and view all the answers

    What is the purpose of Polhemus FASTRAK™ in Brown's Cave?

    <p>Attaches electromagnetic trackers</p> Signup and view all the answers

    What is the role of Pinch gloves in relation to the CAVE environment?

    <p>Enable 'pinch' gesture interactions</p> Signup and view all the answers

    What does a Display Processor do in computer graphics?

    <p>Digitizes picture definitions into pixel intensity values</p> Signup and view all the answers

    What is the function of 3D Display Graphics Software?

    <p>Enable manipulation of images on a computer</p> Signup and view all the answers

    What is contrast in computer graphics?

    <p>The description of tones, specifically the relationship between the darkest and brightest parts of an image</p> Signup and view all the answers

    How is rasterization defined in computer graphics?

    <p>The method of transforming a vector graphics format into pixels for screen output</p> Signup and view all the answers

    What is foreshortening in the context of computer graphics?

    <p>Representing an object to create an illusion of projection or extension in space</p> Signup and view all the answers

    What does aliasing refer to in computer graphics?

    <p>The process by which smooth curves become jagged due to low resolution</p> Signup and view all the answers

    How is dithering used in graphic applications?

    <p>To simulate continuous tone imagery through dots</p> Signup and view all the answers

    What does the resolution of a frame buffer refer to?

    <p>The number of pixels in the display</p> Signup and view all the answers

    How many colors can a 24-bit depth frame buffer display simultaneously?

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

    What does bit planes or bit depth determine in a frame buffer?

    <p>The color resolution of the buffer</p> Signup and view all the answers

    What is the purpose of interlaced scanning in video displays?

    <p>To reduce flicker</p> Signup and view all the answers

    What distinguishes flat-panel displays from CRT monitors?

    <p>They convert electrical energy to light energy</p> Signup and view all the answers

    Which video output device is known for its impressive picture quality and is commonly used in Sun Lab workstation displays?

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

    What type of display technology is used in Organic Light-Emitting Diode (OLED) arrays?

    <p>Field Emission Devices (FEDs)</p> Signup and view all the answers

    Which traditional input device is known for being pressure-sensitive and allowing absolute positioning?

    <p>Pen-based devices</p> Signup and view all the answers

    What type of immersive display device requires the use of stereo shutter glasses?

    <p>Head-mounted displays (HMD)</p> Signup and view all the answers

    Which type of display technology is commonly found in tablet computers?

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

    What technology involves filling the region between two glass plates with a mixture of gases?

    <p>Plasma Panel Display</p> Signup and view all the answers

    Which display technology commonly uses thin-film transistor technology with a transistor at each pixel location?

    <p>Active-matrix LCD</p> Signup and view all the answers

    What type of display technology uses a refresh buffer to store picture descriptions?

    <p>Plasma Panel Display</p> Signup and view all the answers

    In which display technology is the voltage applied to intersecting conductors for light twisting of molecules?

    <p>Passive-matrix LCD</p> Signup and view all the answers

    Which type of technology is capable of bringing depth perception to the viewer?

    <p>3D Display</p> Signup and view all the answers

    Which display technology is often used for 3D gaming and 3D TVs?

    <p>3D Display</p> Signup and view all the answers

    What type of display technology has a crystalline arrangement of molecules that flow like a liquid?

    <p>Liquid-crystal Displays</p> Signup and view all the answers

    What is used in Active-matrix LCDs to align the liquid crystal molecules?

    <p>Thin-film transistors</p> Signup and view all the answers

    What technology uses a mixture of gases between two glass plates?

    <p>Plasma Panel Display</p> Signup and view all the answers

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