Graphics And Multimedia MCQ Quiz!

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| By Nithya S
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Nithya S
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Questions: 10 | Attempts: 712

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Graphics And Multimedia MCQ Quiz! - Quiz

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Questions and Answers
  • 1. 

    Which image files are lossy format?

    • A.

      GIF

    • B.

      MPEG

    • C.

      JPEG

    • D.

      PNG

    Correct Answer
    C. JPEG
    Explanation
    JPEG is a lossy image format because it uses a compression algorithm that discards some data in order to reduce file size. This compression can result in a loss of image quality, especially when the image is heavily compressed. GIF, MPEG, and PNG are not lossy formats. GIF is a lossless format that supports animation, MPEG is a lossy format for video compression, and PNG is a lossless format that supports transparency.

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  • 2. 

    Which of the following is a technique to blend two or more images to form a new image?

    • A.

      Modeling

    • B.

      Warphing

    • C.

      Animating

    • D.

      Morphing

    Correct Answer
    D. Morphing
    Explanation
    Morphing is a technique used to blend two or more images together to create a smooth transition between them, resulting in a new image. It involves transforming the shape and appearance of one image into another gradually, creating a seamless morph between the two. This technique is commonly used in various applications, such as special effects in movies, facial recognition, and image editing software.

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  • 3. 

    Expand JPEG.

    • A.

      Joint Processor Expert Group

    • B.

      Joint Photographic Expression Gross

    • C.

      Joint Photographic Experts Group

    • D.

      Joint Photographic Expression Group

    Correct Answer
    C. Joint Photographic Experts Group
    Explanation
    JPEG stands for Joint Photographic Experts Group. This is a commonly used image file format that uses a lossy compression algorithm to reduce the file size while maintaining a good level of image quality. The Joint Photographic Experts Group is the organization that developed this file format, hence the acronym JPEG.

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  • 4. 

    Which of the following is a computer-based presentation technique?

    • A.

      Multimedia

    • B.

      Slide

    • C.

      Data Processing

    • D.

      Tutorial

    Correct Answer
    A. Multimedia
    Explanation
    Multimedia is a computer-based presentation technique that involves the integration of various forms of media such as text, graphics, audio, video, and animation. It allows for interactive and engaging presentations that can be delivered through computers or other electronic devices. This technique enables the presenter to convey information in a dynamic and visually appealing manner, making it an effective tool for communication and education.

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  • 5. 

    How many categories of image file compressions there?

    • A.

      4

    • B.

      3

    • C.

      2

    • D.

      6

    Correct Answer
    C. 2
    Explanation
    There are two categories of image file compressions.

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  • 6. 

    A process of changing the position of an object in a straight line path from one coordinate location to another is called_________

    • A.

      Translation

    • B.

      Rotation

    • C.

      Scaling

    • D.

      Shearing

    Correct Answer
    A. Translation
    Explanation
    Translation is the correct answer because it refers to the process of moving an object from one coordinate location to another in a straight line path. This involves shifting the object's position without changing its orientation or shape. Rotation involves turning an object around a fixed point, scaling involves changing the size of an object, and shearing involves distorting the shape of an object.

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  • 7. 

    The process which divides each element of the picture into its visible and invisible portions, allowing the invisible portion to be discarded is called____

    • A.

      Windowing

    • B.

      Clipping

    • C.

      Viewport

    • D.

      Both A &B

    Correct Answer
    B. Clipping
    Explanation
    Clipping is the correct answer because it refers to the process of dividing each element of a picture into its visible and invisible portions. The visible portion is retained, while the invisible portion is discarded. This technique is commonly used in computer graphics to ensure that only the visible parts of an object are displayed on the screen.

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  • 8. 

    The region code 0000 represents the___________

    • A.

      Right Clipping Window

    • B.

      Bottom Clipping Window

    • C.

      Left Clipping Window

    • D.

      Viewing Window

    Correct Answer
    D. Viewing Window
    Explanation
    The region code 0000 represents the Viewing Window. The viewing window is the area of the screen where the graphics or images are displayed. It is the portion of the screen that is visible to the user. The region code 0000 is often used to indicate the entire viewing window or the whole screen.

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  • 9. 

    Which one of the following is the characteristic of a multimedia system?

    • A.

      High Storage

    • B.

      High Datarates

    • C.

      Both high storage and high data rates

    • D.

      None of the abovr

    Correct Answer
    C. Both high storage and high data rates
    Explanation
    A multimedia system is characterized by both high storage and high data rates. This means that it is capable of storing and processing large amounts of data, such as videos, images, and audio files, while also being able to transmit and transfer this data at high speeds. This is essential for multimedia applications that require the efficient handling of large files and real-time streaming of content.

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  • 10. 

    A smaller version of an image is called a:

    • A.

      Clipart

    • B.

      Bitmap

    • C.

      Portable Network Graphic

    • D.

      Thumbnail

    Correct Answer
    D. Thumbnail
    Explanation
    A smaller version of an image is commonly referred to as a thumbnail. Thumbnails are typically used as a preview or representation of a larger image, allowing users to quickly browse and select the desired image without having to load the full-size version. They are commonly used in image galleries, search results, and file explorers to provide a compact visual overview of the available images.

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