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A computer desktop background is an image used as a background on a PC display . Background is a nice decoration for a PC.

Desktop "Background",  is the term used in Windows 7, while in Microsoft Windows is called "Wallpaper" and Mac OS X calls it a "desktop picture" (before, the term desktop pattern was used to refer to a small pattern that was repeated to fill the screen).

Nowadays, it is possible to download many free desktop background and use it on any personal computer with any operation system (MS Windows, Linux or Apple MacOS).

Attractive, Cool backgrounds to any graphics, banners or ads are quite important. Getting the correct theme, whether it’s an abstract art or texture pattern, it somehow makes the entire artwork looks more interesting.

The cool backgrounds have played a great role, maybe some might not have noticed this. For instance, some product graphic advertisements uses light subtle background to help create focus point also websites and desktops need nice backdrops too.

Images used as computer backgrounds are usually raster graphics with the same size as the display resolution (1024×768 pixels, or 1280×1024 pixels) in order to fill the whole background.

The classic screen resolutions are proportional in a 4:3 ratio, so an image scaled to fit in a different-sized screen will still be the correct shape, although that scaling may impact quality. The best known backgrounds resolutions are connected to common desktop resolutions: 800x600, 1024x768, 1280x1024 and 1600x1200.

Users with widescreen (16:9 or 16:10) monitors have different aspect ratio requirements for backgrounds, although images designed for standard (4:3) monitors can often be scaled or cropped to the correct shape without loss of quality.



If any background doesn’t fit your screen, you can use OS display properties to adjust it. The last possibility is to edit the background in a bitmap editor (MS Paint, Adobe Photoshop, GIMP etc.).

Desktop backgrounds are not a desktop pattern or at least it should not be. Desktop patterns create backgrounds using repeating patters. Desktop backgrounds are unique, there are no repeating patterns.

The principal problem when enlarging a background image to match the desktop resolution is the quality loss that appears during the resize process and the distorted image that appear when aspect ratio of the background is different than the aspect ratio of the desktop. If the image is used in smaller proportion, by default, will begin to repeat if it is too small. Anyhow, most images look horrible when tiled and it should be avoided.

An image can be resized by using any photo editing software you can find but stretching a picture too big will lead to a loss in quality and you may decide you don't want to use that image at all.There are applications that can help you with your image display to make it enlarge, shrink or tiled.



The most common type image are in PNG and JPEG format. Many of the display systems are able to specify a colour to use asa a background, in this case the background replaces the wallpaper. For example KDE and GNOME permit the specification of colours in variations. Early versions of Mac OS and Microsoft Windows allowed for small repeating patterns to tile the desktop.

If we make an incursion into computer backgrounds, we can say that this begins in Renaissance and to be more specific the first computer desktop background appeared in the mid 70's in an experimental office system, Officetalk, developed in 1975 at Xerox PARC on the Alto.

Previously to that, the white backgrounds to overlapping windows could be difficult to distinguish from window interiors. Officetalk used a pattern that produced a 25% gray, using dots two pixels high to avoid flicker on the Alto's interlaced screen. Xerox Star adopted the same pattern.

Apple used for their Lisa and Macintosh a similar gray background. Today, the possibility to change your desktop background is a must in any operation system. Background styles are background fill variations derived from combinations of the theme colours and background intensities in the current.



In personal use backgrounds usually fall into one of the following categories: automobiles, models and celebrities, scenery, abstract art, movies, pets, family, symmetry, and personal photos.

Comics and drawings backgrounds are considered cool backgrounds among teenagers.

In business use, it is common to use corporate logos or plain backgrounds on business computers, as such guidelines are often specified by the company. In display systems such as GNOME and Windows, backgrounds may be packaged along with desktop themes.

Some operating systems allow a number of different backgrounds to be used and changed from a set of selected images (either in order or shuffled) to display a different background at different times, these are called dynamic backgrounds. In video Media, some media players can redirect video playback to the desktop, allowing any video to be used as a background.



Also, some programs such as Xplanet and EarthDesk use Internet connections and graphics calculations to change the background with real data, such as a shadowed view of the earth, the latest cloud or weather map, or various events.Since desktop backgrounds are constantly changed, it not only help inspire ourselves but also spice up the desktop, giving it a fresher look. That is why your background display should not station on desktop for more than one month.

Surfing the internet you can find your personal source for the best cool backgrounds for your computer desktop. With a little imagination, some operating environments enable you to create your own cool backgrounds.