Quiz On Working With Digital Images

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Bebrahim
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  • 1/7 Questions
    When describing resolution, what do the letters ppi stand for? - ProProfs

    When describing resolution, what do the letters ppi stand for?

    • Photoshop pixel increments
    • Photoshop pixel inches
    • Pixels per inch
    • Photographic pixel inches
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Quiz On Working With Digital Images - Quiz
About This Quiz

This quiz will contribute to your assessment for Unit 27 - Digital Image Capture and Editing.
You must demonstrate that you understand issues related to working with digital images, such as image size and resolution, and the legal and ethical issues involved.
You must score above 80% to pass, so if you have a score lower than that, you will have to read the handouts on Moodle, do some revision, then take the test again. Print out your certificate and submit with your other evidence to prove your score.

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  • 2. 
    If you copy and paste information from the Internet and stick it in to your sketchbook, that's OK because it will just be seen by your tutors. - ProProfs

    If you copy and paste information from the Internet and stick it in to your sketchbook, that's OK because it will just be seen by your tutors.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Copying other people's published words is stealing, and is not acceptable in education. It is called plagiarism and is taken very seriously.

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  • 3. 

    File formats can be described as Lossy and Lossless.  In essence, this means that when you save and image, it will either be compressed to a smaller file size (lossy) or it will keep all of the information assigned to it and therefore stay at exactly the same file size (lossless). Indicate which of the following are LOSSY file formats.

    • TIFF

    • Jpeg

    • Psd

    • Ai

    • Gif

    Correct Answer
    A. Jpeg
    Explanation
    JPEG is a lossy file format. When an image is saved in JPEG format, it undergoes compression which results in a smaller file size. However, this compression also leads to a loss of some image quality. The degree of compression can be adjusted, with higher compression resulting in more loss of quality.

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  • 4. 
    You have set up a new, A4 page in Photoshop with a resolution of 300 ppi. You also have open and image which is 10cm by 10cm with a resolution of 150 ppi. What will happen when you drag and drop that image onto your A4 page? - ProProfs

    You have set up a new, A4 page in Photoshop with a resolution of 300 ppi. You also have open and image which is 10cm by 10cm with a resolution of 150 ppi. What will happen when you drag and drop that image onto your A4 page?

    • The image will maintain the same dimensions - 10cm x 10cm

    • The image will shrink to half the size - 5cm x 5cm

    • The image will expand to double the size - 20cm x 20cm

    Correct Answer
    A. The image will shrink to half the size - 5cm x 5cm
    Explanation
    Image size and resolution are very tricky and difficult to get your head around, but essential to understand so that you can control the quality of your outcomes.
    As a general rule, if you wish to maintain the quality of an image then when you double the resolution, your dimensions must halve. If you halve the resolution, the dimensions can double.

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  • 5. 
    In order to get the best quality scan from the A4 flatbed scanners, what should you do before you scan?  Select all that apply. - ProProfs

    In order to get the best quality scan from the A4 flatbed scanners, what should you do before you scan?  Select all that apply.

    • Execute a calibration between the scanner and the computer

    • Select the appropriate resolution and colour mode

    • Clean the glass with a soft cloth

    • Create a contact sheet to check quality

    • Put light pressure on the top of the scanner to ensure good contact with the glass.

    Correct Answer(s)
    A. Execute a calibration between the scanner and the computer
    A. Select the appropriate resolution and colour mode
    A. Clean the glass with a soft cloth
    A. Put light pressure on the top of the scanner to ensure good contact with the glass.
    Explanation
    Before scanning with an A4 flatbed scanner, it is recommended to execute a calibration between the scanner and the computer to ensure accurate color reproduction. Additionally, selecting the appropriate resolution and color mode is important to achieve the desired quality of the scan. Cleaning the glass with a soft cloth helps to remove any dust or smudges that can affect the scan's clarity. Finally, putting light pressure on the top of the scanner ensures good contact with the glass, resulting in a better quality scan.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 05, 2013
    Quiz Created by
    Bebrahim

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