Updated: 07/06/2021 by Computer Hope Show Resolution may refer to any of the following:  1. Resolution is the image quality produced by a printer or displayed on a monitor. With monitors, the resolution is measured by the number of pixels horizontal by pixels vertically. Printers also have a measure of resolution called DPI (dots per inch). When resolution increases, images become crisper due to a higher pixel density. In fact, text and images may also become smaller because more pixels per square inch are being displayed. For example, going from 800 x 600 to 1024 x 768 would increase the total number of pixels by 306,432. Those extra pixels are added to the screen with the same amount of text, thus making the text appear smaller. Warning As the resolution is increased, so are the performance requirements for your CPU and GPU. Computers with old hardware may not support high resolutions. What happens when the resolution is decreased?The opposite of what happens when you increase the resolution; text should appear bigger, images are not as crisp, and performance requirements go down. What are the different resolutions for monitors?All manufacturers today produce either widescreen or ultrawide monitors. Examples of their different resolutions are shown in the tables below. Common widescreen resolutions
Common UltraWide resolutions
2. With a digital camera, the resolution is the number of horizontal and vertical pixels in a picture. A digital camera manufacturer may also represent the camera's resolution in PPI (pixels per inch). For example, a digital camera with a 2304 x 1728 PPI (2304 pixels wide by 1728 pixels tall) is equivalent to a 4 MP camera. 2304 x 1728 = 3,981,312 (close to 4 million). A camera manufacturer may also describe two types of photograph resolutions, an optical resolution, and enhanced resolution. An optical resolution describes a photograph with no digital enhancements, and best describes the resolution of the camera. An enhanced resolution describes any photograph that's digitally enhanced or adjusted, e.g., adding additional pixels. 3. A resolution is a term used to describe a set of steps or procedures that correct an issue with a product. For example, when encountering a problem with a computer, you may first troubleshoot the problem and find a fix on Computer Hope, following the steps is the resolution. 4K, 8K, DPI, Fix, Maximum resolution, Measurement, Native resolution, PPI, Rez, Video terms, Workaround
Some professional, high-end printers may require images to be up to 600 ppi for printing. Always check with your printer/publisher about required image resolution before submitting images. Non-ProfessionalNon-professional printers such as inkjet, laser, and other common printers can best print images that are at least 200 to 300 ppi and higher. For images that just need to "look good", 200 ppi will work. Photographic prints are recommended to be at least 300 ppi. Images for large format poster printing can be around 150-300ppi depending on how close the image will be viewed.* *Viewing Distance Factor Screen images are different than images for printing because we must think about the pixel dimensions of monitors, TVs, projectors, or display, rather than PPI. Use PPI for printed images, but use pixel dimensions of the image are what really determine the size of the image and quality of how it will display on the web or devices. WebThe idea has been for many years that images should be saved with a resolution of 72 PPI. . But the common misconception is that this resolution or PPI value is the deciding factor of image quality for web images, where it is actually about pixel dimensions (http://medialoot.com/blog/high-resolution-web/). Each monitor is different and has a different resolution, so it makes it difficult to design a website that contains images that will display perfectly on every type of display. Over the years, technology has improved and so has the quality of our displays. Most popular are Apple's new retina displays that are on the most recent Macbooks, iPhones, and iPads. If you're a web developer, check out some ways people are designing for retina or high pixel density displays. Projector / PowerpointJust like web images, images for projectors should match the pixel dimensions of the projector. As with computer monitors, projectors also have their own display dimensions. For example, most 4:3 aspect projectors have a display of 1024 x 768 pixels, so an image that is 1024 x768 pixels with a 72 PPI resolution would be an ideal image size to be displayed from a projector. Learn more about projector display.
Pixels per inch (PPI) is the measure of resolution in a digital image or video display. A pixel is an area of illumination or color on a screen or computer image. PPI measures the display resolution, or pixel density, of a computer monitor or screen. The measure is also used to indicate the resolution of a digital image, as well as the resolution capacity of a camera or scanner capturing an image.
A monitor or screen with a high number of PPI will show a greater level of detail. Similarly, a digital image containing a large number of pixels will hold more detailed visual information and, therefore, it will be able to be reproduced in larger formats without pixelation (a form of image distortion in which individual pixels become visible to the naked eye). A pixel is a single point of data in a digital image or in a monitor, and the PPI measurement indicates the number of pixels contained within the image or screen. Pixels per inch is expressed by indicating the number of pixels available horizontally by the number available vertically. Thus, an image that is 200 pixels across and 200 pixels down will be expressed as a 200 x 200 PPI image. Although there are exceptions, most devices rely on square pixels in capturing and displaying images. Digital cameras will frequently express resolution in terms of megapixels. The megapixel measurement is determined by multiplying the horizontal PPI measure by the vertical PPI measure. For instance, a camera that captures images at 1600 x 1200 is considered a 1.92-megapixel camera. The PPI of a captured image helps to determine the maximum size an image can be printed without pixelation. For example, a 1.92-megapixel camera is capable of producing good quality 4 x 6-inch prints, but prints larger than that size will begin to look blurry or fuzzy. Industry standards for PPI in computer monitors, televisions, scanners, and cameras have improved rapidly in recent years. In the early 2000s, for instance, the most common computer display resolution was 1024 x 768. By 2012 the industry standard had increased to 1366 x 768. In the year 2019, 1920 x 1080 was common. Although PPI is used interchangeably with dots per inch (DPI) to discuss image resolution, the two terms have important differences. PPI tends to refer to an input resolution, which is the measure by which a camera or scanner captures an image (or by which an image is created or manipulated on a monitor). DPI, on the other hand, refers to an output resolution. For many years, for instance, early web pages recommended saving images at no greater resolution than 72 DPI for websites, as this measurement typically displayed sufficient visual information on websites while minimizing site load times. In the days of dial-up internet access, this practice was especially common. For print, on the other hand, typical recommendations indicate that images should be at least 300 DPI for high-resolution print quality. For designers, artists, and others concerned with high print quality, however, output images may require much larger resolutions than 300 DPI. |
What term is used to describe the number of horizontal pixels by the number of vertical pixels in a display?
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