Digital Imaging Physics Review
Questions and Answers Latest Update
Graded A+
What is the relationship between ISO and digital noise?
✔✔A) Higher ISO settings increase noise in the image
B) Lower ISO settings always result in a blurry image
C) ISO has no effect on image quality
D) Increasing ISO decreases noise in an image
Which of the following affects the depth of field in a digital image?
A) Image resolution
B) Shutter speed
✔✔C) Aperture size
D) File format
Why do digital images sometimes show color fringing around high-contrast edges?
✔✔A) Chromatic aberration caused by lens imperfections
B) Too much image sharpening
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,C) High pixel density
D) A low-quality image sensor
What is the primary function of a histogram in digital imaging?
A) Displays the file format of an image
✔✔B) Shows the tonal distribution of brightness in an image
C) Adjusts the sharpness of an image
D) Increases the number of pixels in an image
What is the purpose of color profiles in digital imaging?
A) To change the resolution of an image
✔✔B) To ensure consistent color representation across different devices
C) To increase the brightness of an image
D) To remove unwanted background colors
Which factor affects the speed at which an image is captured?
A) The number of pixels
✔✔B) Shutter speed
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, C) The image format
D) The display brightness
What does oversampling do in digital imaging?
✔✔A) Improves image quality by capturing more data than needed and downscaling
B) Increases noise in an image
C) Reduces the number of pixels in an image
D) Increases the file size with no quality improvement
What is the primary cause of motion blur in digital images?
A) High resolution
✔✔B) Slow shutter speed
C) High ISO setting
D) Small sensor size
Why is a larger sensor size beneficial in digital imaging?
✔✔A) It captures more light, improving image quality
B) It increases file size without improving quality
3
Questions and Answers Latest Update
Graded A+
What is the relationship between ISO and digital noise?
✔✔A) Higher ISO settings increase noise in the image
B) Lower ISO settings always result in a blurry image
C) ISO has no effect on image quality
D) Increasing ISO decreases noise in an image
Which of the following affects the depth of field in a digital image?
A) Image resolution
B) Shutter speed
✔✔C) Aperture size
D) File format
Why do digital images sometimes show color fringing around high-contrast edges?
✔✔A) Chromatic aberration caused by lens imperfections
B) Too much image sharpening
1
,C) High pixel density
D) A low-quality image sensor
What is the primary function of a histogram in digital imaging?
A) Displays the file format of an image
✔✔B) Shows the tonal distribution of brightness in an image
C) Adjusts the sharpness of an image
D) Increases the number of pixels in an image
What is the purpose of color profiles in digital imaging?
A) To change the resolution of an image
✔✔B) To ensure consistent color representation across different devices
C) To increase the brightness of an image
D) To remove unwanted background colors
Which factor affects the speed at which an image is captured?
A) The number of pixels
✔✔B) Shutter speed
2
, C) The image format
D) The display brightness
What does oversampling do in digital imaging?
✔✔A) Improves image quality by capturing more data than needed and downscaling
B) Increases noise in an image
C) Reduces the number of pixels in an image
D) Increases the file size with no quality improvement
What is the primary cause of motion blur in digital images?
A) High resolution
✔✔B) Slow shutter speed
C) High ISO setting
D) Small sensor size
Why is a larger sensor size beneficial in digital imaging?
✔✔A) It captures more light, improving image quality
B) It increases file size without improving quality
3
