Personal digital assistants

Palm pilot

PDAs with wireless data connections also typically include an email client and a Web browser, and may or may not include telephony functionality. As of late , it had about a quarter of total PDA market share. One widely known stroke recognition system is Palm's Graffiti. Popular in the s and early s, personal digital assistants PDAs were the precursors to smartphones. Some find it frustrating and inaccurate, while others are satisfied with the quality of the recognition. Handwritten character recognition appeared in Text is entered by tapping the on-screen keyboard with a finger or stylus. Due to the ability of electronics makers to stuff functions into ever-smaller packages, a modern PDA can send and receive e-mail over wired or wireless networks, surf the Web, interface with a computer, send and receive phone calls, display videos, play music, and serve as a calculator, calendar, appointment book, address book, game machine, global positioning system unit, digital audio recorder, and digital still or video camera. These " multi-touch " displays allow for more sophisticated interfaces using various gestures entered with one or more fingers. However, some PDAs may not have a touchscreen , using softkeys , a directional pad, and a numeric keypad or a thumb keyboard for input. A pocket calculator is not usually considered a PDA because it offers only one type of function, numerical calculation, and does not allow for the input of alphanumeric information words as well as numbers. Future of PDAs In the s, the technology industry recycled the term "personal digital assistant. Other PDAs come only with their own proprietary software.

One widely known stroke recognition system is Palm's Graffiti. Nokia, IBM and Palm were some of the major players in the market at the time. Other products had their own or another operating system.

Text is entered by tapping the on-screen keyboard with a finger or stylus. Within a few years of the appearance of the calculator, engineers with several companies were adding crude information-processing functions. It's also possible to transfer files between PDAs that have Bluetooth.

pda phone

Early models featured Apple serial ports for computer connectivity and could dial a computer via acoustic telephone modem. Some touchscreen PDAs, including Windows Mobile devices, had a detachable stylus to facilitate making selections. Some users find that data input is quicker on their computer than on their PDA, since text input via a touchscreen or small-scale keyboard is slower than a full-size keyboard.

Due to the ability of electronics makers to stuff functions into ever-smaller packages, a modern PDA can send and receive e-mail over wired or wireless networks, surf the Web, interface with a computer, send and receive phone calls, display videos, play music, and serve as a calculator, calendar, appointment book, address book, game machine, global positioning system unit, digital audio recorder, and digital still or video camera.

Wireless synchronization[ edit ] Some PDAs can synchronize some or all of their data using their wireless networking capabilities, rather than having to be directly connected to a personal computer via a cable.

personal digital assistant input devices
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What is PDA (Personal Digital Assistant)?