Computer 8 Quiz 1.1

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Quizzes Created: 1 | Total Attempts: 48
Questions: 11 | Attempts: 48

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Computer 8 Quiz 1.1 - Quiz

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Questions and Answers
  • 1. 

    How digital camera works?

  • 2. 

    1.) The use geometrical figures such as points,lines,curves,and shapes or polygon to represent        images in computer graphics.

    Explanation
    The given answer "Vector graphics" accurately describes the use of geometrical figures such as points, lines, curves, and shapes or polygons to represent images in computer graphics. Vector graphics are created using mathematical equations, allowing them to be easily scaled and resized without losing quality. This makes them ideal for creating illustrations, logos, and other graphics that require precise shapes and smooth curves. Unlike raster graphics, which are made up of individual pixels, vector graphics are resolution-independent and can be easily edited and manipulated.

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  • 3. 

    2.) The art and practice of planning and projecting ideas and experiences with visual and textual        content.

    Explanation
    The given definition describes the art and practice of planning and projecting ideas and experiences using visual and textual content. This perfectly aligns with the field of Graphic Design, which involves creating visual communication materials such as logos, posters, websites, and advertisements. Graphic designers use their creativity and technical skills to convey messages effectively through the use of typography, images, and layout.

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  • 4. 

    3.) The art of using computer technology to create digital artwork.

    Explanation
    Digital graphics refers to the practice of using computer technology to create artwork. It involves the use of software and tools to manipulate and create visual elements such as images, illustrations, and animations. This can include techniques such as digital painting, 3D modeling, and graphic design. The term "digital graphics" encompasses a wide range of artistic styles and techniques that are made possible through the use of computer technology.

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  • 5. 

    4.)  Tool use for capturing pictures.

    Explanation
    A camera is a tool that is commonly used for capturing pictures. It is designed with the purpose of capturing still images or recording videos. Cameras come in various types and formats, such as digital cameras, DSLRs, or smartphone cameras. They typically consist of a lens, image sensor, and other components that work together to capture and store images. Cameras have become an essential tool for photography enthusiasts, professionals, and everyday users who want to capture and preserve special moments or create visual content.

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  • 6. 

    5.) Indicate how much resolution or detail a camera can capture.

    Explanation
    Megapixel refers to the number of pixels a camera can capture in a single image. The higher the number of megapixels, the more resolution and detail the camera can capture. Therefore, the term "megapixel" indicates the level of resolution or detail a camera can capture.

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  • 7. 

    6.) Storage terms to describes the camera's picture elements

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement "Storage terms to describe the camera's picture elements" is false. This means that there are no storage terms specifically used to describe the camera's picture elements. Picture elements, also known as pixels, are the smallest units of an image that can be individually processed. While there may be storage terms used to describe the storage of images or data from a camera, there are no specific terms used to describe the camera's picture elements themselves.

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  • 8. 

    7.) A pixel in digital camera has three components corresponding to the three basic colors:red,green,and blue

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    In a digital camera, a pixel is composed of three components that correspond to the three basic colors: red, green, and blue. These three colors are used in combination to create the full spectrum of colors that can be captured by the camera. Therefore, the statement "A pixel in a digital camera has three components corresponding to the three basic colors: red, green, and blue" is true.

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  • 9. 

    8.) JPEG files are images that have been compressed to store a lot of information in a small size file.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    JPEG files are a commonly used image format that utilizes compression techniques to reduce the file size while retaining a significant amount of image quality. This compression allows for efficient storage and transmission of images, making JPEG files ideal for use on the internet and in digital photography. Therefore, the statement that JPEG files are images that have been compressed to store a lot of information in a small size file is true.

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  • 10. 

    9.) PNG file format contains the detailed image data.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because PNG file format does not contain detailed image data. PNG (Portable Network Graphics) is a lossless image format that uses compression techniques to reduce file size without losing quality. It is commonly used for images with transparent backgrounds or for images that require high levels of detail and sharpness. However, it does not contain detailed image data as it uses a compressed representation of the image.

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  • 11. 

    10.) The first digital image was produced in 1922 by the British inventors ,Harry G.Bartholomew and         Maynard D. MacFarlane.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The given answer is true. It states that the first digital image was produced in 1922 by British inventors Harry G. Bartholomew and Maynard D. MacFarlane. This implies that these inventors were responsible for creating the first image using digital technology in 1922.

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