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PDA Features |
- The three most common operating systems in order are: Palm OS, Pocket PC (and its predecessor called Windows CE), and Epoc (more popular in Europe).
- There are also several proprietary operating systems that are specific to a given company and its products. Software is written based on what operating system is used and it should be able to be utilized in all the products that use that same operating system.
- Many PDAs use a penlike stylus to enter information. Tap on an on-screen keyboard or enter data by writing on the screen, which may require learning a special alphabet.
- PDAs typically have 2 MB to 32 MB of built-in memory.
- MB required for anything more than basic address and calendar (e.g., if you want to download clinical references such as the Merck Manual) or if you want to add peripheral equipment such as cellular phones or digital cameras)
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- 32 MB minimum for Windows CE OS devices.
- Small storage cards can be inserted into some PDAs.
- Consider built-in memory, add on memory, and capability to use cards to add on memory.
- Monochrome or gray-scale displays vs color displays.
- 2 to 16 grays; 256 to 64,000 colors
- Permanent or swappable rechargeable batteries (always keep a ready supply on hand!).
- Replaceable alkaline batteries
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