How Does a PDA Work?
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Electronic Organizer
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Although they are often describes as "hand-held computers," PDAs, or personal digital assistants, are not a replacement for a computer, although they can communicate and exchange information with your computer. The primary function of the PDA is to serve as an electronic organizer. Small and lightweight, they can fit into the palm of your hand or in a pocket.
The first PDAs designed in the mid 1990s were nothing more than electronic day planners. Now, PDAs not only manage your contacts and track your appointments, but many of them also have built in GPS systems and can connect to the Internet via a wireless connection, and some even come with games.
Components
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Most PDAs contain a small touch screen, a keyboard and a stylus (a plastic or metal pen) that you can use to manipulate the screen. They run on battery power. Generally, the more expensive the PDA, the longer it will run on a charged battery. Most come with holders that automatically charge the PDA when it is in the holder.
PDAs made today also come with memory slots so you can add memory with a stick or card and USB ports so you can attach them to your home computer or laptop, allowing you to download data from your computer to your PDA.
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Software
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Most PDAs come with wireless capabilities, allowing you to connect to the Internet. The majority of them also come with audio support, including a headphone jack and the ability to download and play MP3 files. The most expensive PDAs contain built-in GPS capabilities, built-in digital cameras, phone capabilities and integrated security measures, such as a fingerprint reader.
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Resources
- Photo Credit chiasupriya.com
