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 (B)</p> Signup and view all the answers

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

<p>Saturation (C)</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 (D)</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 (B)</p> Signup and view all the answers

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

<p>CRT (A)</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 (C)</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 (A)</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 (A)</p> Signup and view all the answers

What is the purpose of Polhemus FASTRAKâ„¢ in Brown's Cave?

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

What does a Display Processor do in computer graphics?

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

What is the function of 3D Display Graphics Software?

<p>Enable manipulation of images on a computer (C)</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 (C)</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 (B)</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 (A)</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 (D)</p> Signup and view all the answers

How is dithering used in graphic applications?

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

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

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

What is the purpose of interlaced scanning in video displays?

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

What distinguishes flat-panel displays from CRT monitors?

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

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

<p>OLED (D)</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 (C)</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 (B)</p> Signup and view all the answers

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

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

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

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

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

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

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

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

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

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

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