What's extra, manufacturers have mixed PDAs with cell phones, multimedia gamers and other electronic gadgetry. To offer extra memory, many PDAs accept removable flash media add-on cards. For tons extra data on how credit playing cards work, methods to avoid identity theft, and suggestions for touring abroad, try the associated HowStuffWorks articles on the subsequent page. Information in RAM is only out there when the gadget is on. Resulting from their design, PDAs keep information in RAM safe because they continue to attract a small quantity of power from the batteries even while you flip the system off. Push the sync button (on the machine or cradle) to begin the synchronization process. The great thing about synchronization is that you simply all the time have a backup copy of your knowledge, which is usually a lifesaver in case your PDA is damaged, stolen, or utterly out of energy. Synchronization software program on the PDA works with companion software that you simply install in your Pc. Not solely can they manage your private data, reminiscent of contacts, appointments, and to-do lists, at the moment's gadgets can even hook up with the Internet, act as world positioning system (GPS) devices, and run multimedia software. The principle purpose of a private digital assistant (PDA) is to act as an digital organizer or day planner that is portable, straightforward to use and capable of sharing information with your Pc.