TAILIEUCHUNG - How to Do Everything With Your Scanner- P30

How to Do Everything With Your Scanner- P30: My thanks to the terrifically creative and knowledgeable staff at Osborne, particularly acquisitions editor Megg Bonar and acquisitions coordinator Alissa Larson for their responsiveness and flexibility. Special thanks to technical editor Steve Bain, not only for his insight and attentiveness to accuracy, but also for actively coming up with many ideas for content. | Chapter 8 Formats for Saving and Storing Files Copyright 2001 by The McGraw-Hill Companies Inc. Click Here for Terms of Use. 130 How to Do Everything with Your Scanner How To. Understand the differences between various file formats Decide which format to use for sending images over the Web Balance file size and image quality considerations Recognize the benefits and effects of data compression Scanners might signal the beginning of the end of bulky photo albums with loose and disorganized photos stuffed between their pages. With digital imaging storing and saving photos has taken a technological leap. Central to the issue of storing image data are file format considerations. File formats that preserve a lot of data for high-quality images often take up impractical amounts of space on your hard drive. They can also take forever to send over the Web. This chapter helps you find a balance between the important considerations of image quality storage space and optimizing electronic-image transfers. Files Saved on Your Computer Have Different Formats Each time you save a document or project on your computer you re saving it to a file. One way to locate the image text or other data you ve saved is to right-click the Start button on the Windows taskbar then choose Explore to open Windows Explorer as shown in Figure 8-1. When you look in the Explorer window all the saved files look alike identical yellow folder icons however if you access your files by clicking the My Computer icon on your desktop you see something entirely different. Instead of a column of folder icons you see icons for shortcuts to documents in different applications. For example Figure 8-2 shows a window displaying icons in the Microsoft Word Bitmap WinZip and other file formats. Programs Write Files in Their Native Formats Files might look alike when you view them in your Explore window but in reality they re as different as the software that created them. Every software program or application stores .

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