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Chapter 10. From Desktops to Handhelds

Chapter 10. From Desktops to Handhelds

* This chapter is coauthored by Albert Badre and Kayt Sukel of IXL, Inc.

The use of handheld devices such as PDAs (Personal Digital Assistants) and mobile phones has been growing at a steady pace worldwide. These are devices with small-screen “real estate.” For PDAs, the low-end devices typically support low-resolution displays with approximately 5″× 3″ and 160 × 160 pixels. Phones have even lower resolution displays, averaging 1.5″ × 2.5″ and 60 × 96 pixels. Figures 10.1 and 10.2 show a PDA and a phone, respectively. The high-end units are 6.5″ × 3″ and 640 × 240 pixels. It is clear that the technology will continue to improve to allow us to do many of our Internet activities on the move.


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