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Word Count: 666
Graphics is a word used for all the different types of artwork such as photographs graphs charts etcGraphics packages may not be as detailed as you think It can be a simple paint package which has features of shading drawing line diagrams and many other simple but effective features These packages can be an alternative to complicated DTP packages As it is very difficult to draw with the mouse many people scan the drawings on the computer and now there are software packages which do not use a mouseNew equipment used by professionals so that they can get pictures from a variety of places A video grabber lets you get pictures from the television or a video camera and you then can alter it on your computer A digital camera is also very popular as you can take pictures and then put them on your PC and alter then This also means that you do not have to pay for the developing cost You can also use clip art for picturesWhen using a graphics package the graphics file can have the image represented as aA bit map files makes every dot or pixel on the screen has a single bit of information in a file If it is in colour you then need to store additional bits The disadvantage to this is that if you want to alter anything you have to change it at a pixel at a time When you enlarge an image the number of pixels stays the sameIn vector graphics the lines are stored as equations on the computer They are stored in vectors The advantage of vector graphics over bit map files is that it is easy to alter things without any loss in resolution When you enlarge an image the number of pixels increases to the proportion of the image CAD packages use vector imagesClip Art is a collection of copyright-free drawings which you can place on your drawings
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