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Questions and Answers
What is aspect ratio?
What is aspect ratio?
- The ratio of the number of vertical points to the number of horizontal points necessary to produce equal length lines in both directions on the screen. (correct)
- The ratio of the width to the height of an image.
- The ratio of the brightness to the contrast of a display.
- The ratio of the diagonal length to the perimeter of a display.
In computer graphics, what does aspect ratio refer to?
In computer graphics, what does aspect ratio refer to?
- The file size of a graphic.
- The relative horizontal and vertical sizes of a graphic. (correct)
- The resolution of a graphic.
- The color depth of a graphic.
What does an aspect ratio of 4:3 mean for a display resolution?
What does an aspect ratio of 4:3 mean for a display resolution?
- It means the width is 3/4 times the height.
- It means the width is 3 times the height.
- It means the width is 4 times the height.
- It means the width is 4/3 times the height. (correct)
What is the aspect ratio of a resolution 2160x1440?
What is the aspect ratio of a resolution 2160x1440?
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Study Notes
Aspect Ratio Overview
- Aspect ratio is a ratio that describes the proportional relationship between the width and height of an image or display.
- It is expressed as two numbers separated by a colon, indicating the width to height.
Aspect Ratio in Computer Graphics
- In computer graphics, aspect ratio is crucial for determining how images fit on screens and how they are displayed.
- It impacts visual representation, affecting how graphics are rendered, and can influence user experience.
Aspect Ratio of 4:3
- An aspect ratio of 4:3 indicates that for every 4 units of width, there are 3 units of height.
- Commonly associated with older televisions and computer monitors, representing a more square shape compared to wider ratios like 16:9.
Aspect Ratio of 2160x1440 Resolution
- A resolution of 2160x1440 has an aspect ratio of 3:2, derived from dividing both dimensions by their greatest common divisor.
- This ratio is often used in tablets and provides a balance between width and height, offering a more versatile viewing experience.
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