Digital Camera Basic Features

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| By Litke
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Digital Camera Basic Features - Quiz

Test 1 on Digital Camera basics


Questions and Answers
  • 1. 

    All digital pictures are composed of tiny dots, called pixels, which are arranged in a grid. A megapixel corresponds to roughly 

    • A.

      One million pixels

    • B.

      One thousand pixels

    • C.

      One hundred pixels

    • D.

      One pixel

    • E.

      Ten pixels

    Correct Answer
    A. One million pixels
    Explanation
    A megapixel corresponds to roughly one million pixels. This means that in a digital picture, there are approximately one million tiny dots called pixels arranged in a grid. Each pixel represents a single point of color in the image, and the more pixels there are, the higher the resolution and level of detail in the picture.

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  • 2. 

    LCD stands for

    • A.

      Lucid crystal display

    • B.

      Liquid clear display

    • C.

      Liquid crystal display

    • D.

      Liquid crystal digital

    • E.

      Lucid clear digital

    Correct Answer
    C. Liquid crystal display
    Explanation
    LCD stands for liquid crystal display. This technology uses liquid crystal molecules that can be manipulated by electric currents to create images on a screen. The liquid crystals are sandwiched between two layers of glass and when an electric current passes through them, they align in a way that allows or blocks light to create the desired image. LCD displays are commonly used in devices such as televisions, computer monitors, and smartphones.

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  • 3. 

     When an LCD previews the image correctly, it is called

    • A.

      Display-priority

    • B.

      Exposure-priority

    • C.

      Megapixel-priority

    • D.

      Pixel-priority

    • E.

      Digital-priority

    Correct Answer
    A. Display-priority
    Explanation
    Display-priority refers to the ability of an LCD to accurately preview an image. When an LCD has display-priority, it means that it is able to show the image correctly, without any distortions or inaccuracies. This is important because it allows photographers and users to see the image as it will appear when captured, helping them make adjustments or changes if necessary.

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  • 4. 

      LCD's are described by their 

    • A.

      Dots and display

    • B.

      Megapixels and resolution

    • C.

      Size and clarity

    • D.

      Pointellism

    • E.

      Size and resolution

    Correct Answer
    E. Size and resolution
    Explanation
    LCDs are described by their size and resolution. Size refers to the physical dimensions of the LCD screen, typically measured in inches. Resolution refers to the number of pixels that the screen can display, usually represented by the width and height of the screen in pixels. The size determines how large the display is, while the resolution determines the level of detail and sharpness of the images displayed on the screen.

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  • 5. 

    Which is better quality?

    • A.

      Optical Zoom

    • B.

      Digital Zoom

    Correct Answer
    A. Optical Zoom
    Explanation
    Optical zoom is considered better quality compared to digital zoom. Optical zoom works by physically adjusting the camera lens to zoom in on the subject, resulting in a true magnification of the image without any loss in quality. On the other hand, digital zoom simply enlarges the existing pixels in the image, which leads to a loss of detail and image degradation. Therefore, optical zoom provides a higher quality zoomed-in image compared to digital zoom.

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  • 6. 

    What is the differences between optical zoom and digital zoom?

    • A.

      Optical zoom involves adjusting the lens to achieve magnification, while digital zoom enlarges the image using software processing.

    • B.

      Optical zoom and digital zoom both utilize lens adjustments for magnification.

    • C.

      Optical zoom is a software-based technique for enlarging images, while digital zoom physically adjusts the lens for magnification.

    • D.

      Optical zoom and digital zoom are terms used interchangeably to describe the same process.

    Correct Answer
    A. Optical zoom involves adjusting the lens to achieve magnification, while digital zoom enlarges the image using software processing.
    Explanation
    Optical zoom refers to the physical adjustment of the lens to bring the subject closer, providing a true magnification without sacrificing image quality. On the other hand, digital zoom involves enlarging the image digitally, which results in a loss of quality as it simply crops and stretches the existing pixels. Therefore, optical zoom provides a superior zooming capability compared to digital zoom.

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  • 7. 

    Perhaps the most well know principle of photographic composition is the

    • A.

      ISO

    • B.

      Composition

    • C.

      Rule of Thirds

    • D.

      Framing images

    Correct Answer
    C. Rule of Thirds
    Explanation
    The Rule of Thirds is a principle of photographic composition that involves dividing an image into nine equal parts using two horizontal and two vertical lines. The main subject of the photo should be placed along these lines or at the points where they intersect, which creates a more balanced and visually pleasing composition. This technique helps to avoid placing the subject in the center of the frame, which can result in a static and uninteresting image. By following the Rule of Thirds, photographers can create more dynamic and engaging photographs.

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  • 8. 

    Name the 4 rules of composition in landscape photography.

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  • Current Version
  • Feb 02, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 23, 2009
    Quiz Created by
    Litke
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