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» Overview
Memory or SD cards are PDA accessories that handle data in varying amounts. A user can choose to buy SD cards of their chosen capacity. With the PDA's added functionality such as in emailing, editing presentations and other office functions. Memory storage is a major part of the PDA accessories. GPS a major PDA feature is used for navigation and is important for searching directions during off-road driving. It also comes in handy when the user wants to communicate their position to friends. GPS depends on towers set up by mobile phone providers which help in triangulation therefore faster location tracking. PDA's are characterized by a touch screen and therefore provide users with the option of inputting text via the virtual keyboard and a stylus. The stylus is a rod of considerable length that the user selects the phone applications with from the screen. It enables the user have faster access to the phones input capabilities than would be afforded on a normal cell phone. PDA cradles are used as to hold the devices while not in use. They provide the user the comfort of leaving their PDA on their table with o risk of damage. There is also the screen protector which protects the sensitive PDA screen from scratches and breakages which would render input through the screen futile as well as cloud the users output. The PDA is a battery hungry device and one is better advised to check the battery life before buying it. However PDA accessories like battery chargers can be used to compensate for this. Chargers for the home or office and special car chargers can be obtained easily in electronic retail dealers. PDA's use a mobile operating system for memory management and office document editing. Windows Mobile is such an operating system and comes installed in many PDA devices. The Blackberry being such a device needs an operating system that manages the multimedia, office, email and other functions. Other PDA accessories in the form of operating systems exist. for example oFono the Linux operating system developed for use with Symbian phones and other PDA's. Apple's iPhone spots a Mac-like operating system and a wide screen and is therefore a favorite with many PDA users. The iPhone has many PDA accessories offered to it's users through iTunes. One can download free and on-sale application, games and firmware in this digital store. Competing with the iPhone is the Palm Pre which has a wide screen but with the addition of a QWERTY keyboard. This PDA also has it's own special set of accessories though, it can use generic accessories available to all other PDA's.
