Summary

18 IT Essentials: PC Harware and Software Companion Guideyou have any problems when installing upgrades. Follow all safety procedures outlined bythe manufacturer.Describe Scanner OptimizationScanners work well for most users without any changes to the default settings. There are,however, features that can improve document or image scans depending on user requirements.The most common types of scanner options are as follows:■■■■■■■ResizingSharpeningBrightening or darkeningColor correctionResolution changesOutput file formatColor inversionScanning resolution affects the size of the output file. The end use of the image determinesthe required resolution. If the image is for use on a web publication, you only need low resolutionand a small file size. This makes it possible for browsers to load the image quickly.Medium-resolution images are normally used for laser prints. In commercial printing,where the quality of the image is very important, a higher resolution is the best setting. Lowresolution means a small file size; high resolution means a large file size. Figure 14-10shows the settings for resolution and output type.Figure 14-10 Resolution Settings