Using a scanner to produce a good quality image that will be useful to you and your students depends on knowing how the images will be used so you can select the appropriate settings. Answering a few questions before you start will give you the information you need to select the right settings. Web browsers such as Netscape do not display a full computer screen-sized image as do many presentation software applications. Compare these examples to get an idea of how large your image will look using the Web browser Netscape. For archival purposes, scan the entire image.
Presentation software can usually display an image at full screen size.
640 by 480 pixels and screen resolution is 72 pixels per inch. In order for a scanned image to display correctly on your screen, you will have to convert its size to 640 by 480 pixels or smaller. For archival purposes, scan the entire image. TIFF, PICT, BMP, EPS, JPEG, GIF are most common on all 9. These questions may seem complicated, but the more you know about how the images will be reproduced, the more time-efficient your scanning can be.