They generally function as electronic organizers and typically run fewer applications than handheld PCs. Typically, the more MHz, the faster your device. Short for Random Access Memory. The more memory it has, the more information it can hold. Expansion slots and internal upgrades often are available.
Higher resolution translates into sharper images.
Devices that come with a serial connection usually have optional docking stations, too. A display that is sensitive to the touch of a finger or stylus. The panel covering the display's surface translates touch-pressure into workable data. Short for Universal Serial Bus, it is a cable that transfers data from the PDA to a desktop computer. Built-in microphone that lets you record voice messages.