Photoshop Quiz Digital Image
.
- 1.
What is image resolution? Explain in detail.
- 2.
What is a digital image?
- A.
A two dimensional mapping of pixels that are themselves made out of bits.
- B.
A three dimensional mapping of depth color and resolution over a grid of dpi
- C.
A tiny square of color and light
- D.
A JPEG
Correct Answer
A. A two dimensional mapping of pixels that are themselves made out of bits.Explanation
A digital image is a representation of visual information in a digital form. It consists of a two-dimensional grid of pixels, which are the smallest units of the image. Each pixel is made up of bits, which determine its color or intensity. Therefore, a digital image can be described as a two-dimensional mapping of pixels that are themselves made out of bits.Rate this question:
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- 3.
What is a pixel?
- A.
A small, woodland creature when captured grants you one wish
- B.
A picture element that is one tiny square
- C.
An 8 bit depth image
- D.
A million megapixels
Correct Answer
B. A picture element that is one tiny squareExplanation
A pixel is a picture element that is represented as a tiny square in digital images. It is the smallest unit of a digital image and contains information about color and brightness. Multiple pixels together form an image by combining different colors and shades.Rate this question:
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- 4.
How many megapixels would I need to produce an awesome 8x12 print?
- A.
12.7
- B.
10.5
- C.
12.4
- D.
18.6
Correct Answer
C. 12.4Explanation
To produce an awesome 8x12 print, you would need a camera with at least 12.4 megapixels. This is because the resolution of the image needs to be high enough to capture the fine details and ensure a sharp and clear print at that size. A higher megapixel count allows for more information to be captured, resulting in better image quality and detail.Rate this question:
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- 5.
Which answer best describes the file format Portable Network Graphics (PNG)?
- A.
Very large, not transparent, 8 bit color depth
- B.
Very large, not transparent, 24 bit color depth
- C.
Small file size, usually associated with a scanned image
- D.
Small file, transparent, 24 and 8 bit color depth
Correct Answer
D. Small file, transparent, 24 and 8 bit color depthExplanation
The correct answer describes the file format PNG as a small file that is transparent and supports both 24 and 8 bit color depth. PNG files are commonly used for images that require transparency, such as logos or graphics with a transparent background. The file size of PNG images is generally smaller compared to other formats like JPEG, while still maintaining good image quality. Additionally, PNG supports both 24-bit true color and 8-bit indexed color, providing flexibility in terms of color depth.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
ProProfs Editorial Team -
Sep 01, 2015Quiz Created by
Ajohn2345
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