personal digital assistant

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personal digital assistant

(PDA), lightweight, hand-held computercomputer,
device capable of performing a series of arithmetic or logical operations. A computer is distinguished from a calculating machine, such as an electronic calculator, by being able to store a computer program (so that it can repeat its operations and make logical
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 designed for use as a personal organizer with communications capabilities; also called a handheld. A typical PDA has no keyboard, relying instead on special hardware and pen-based computerpen-based computer,
computer that uses software to enable it to accept handwriting or drawing as a form of input. A stylus, which may contain special electronic circuitry, may be used to write on the computer display or on a separate tablet.
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 software to enable the recognition of handwritten input, which is entered on the surface of a liquid crystalliquid crystal,
liquid whose component particles, atoms or molecules, tend to arrange themselves with a degree of order far exceeding that found in ordinary liquids and approaching that of solid crystals.
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 display screen. In addition to including such applications as a word processor, spreadsheet, calendar, and address book, PDAs are used as notepads, appointment schedulers, and wireless communicators for sending and receiving data, faxes, and electronic-mail messages. Introduced in 1993, PDAs achieved only modest acceptance during the remainder of the decade due to their relatively high price and limited applications, but improved software and lower prices subsequently led to more widespread use. In the early 21st cent., however, smartphones (see cellular telephonecellular telephone
or cellular radio,
telecommunications system in which a portable or mobile radio transmitter and receiver, or "cellphone," is linked via microwave radio frequencies to base transmitter and receiver stations that connect the user to a conventional
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) equipped with a wide range of applications supplanted PDAs. See also palmtoppalmtop
or hand-held personal computer,
lightweight, small, battery-powered, general-purpose programmable computer. It typically had a miniaturized full-function, typewriterlike keyboard for input and a small, full color, liquid-crystal display for output.
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personal digital assistant

[‚pərs·ən·əl ‚dij·əd·əl ə′sis·tənt]
(computer science)

Personal Digital Assistant

(PDA) A small hand-held computer typically providing calendar, contacts, and note-taking applications but may include other applications, for example a web browser and media player. Small keyboards and pen-based input systems are most commonly used for user input.

The Apple Newton was a fairly early example.

References in periodicals archive ?
16 standard, unlicensed spectrums, Wireless Fidelity, Wi-Fi, voice over Internet protocol, VoIP, interoperability, personal digital assistants, PDAs
Keywords in this release: Embedded memories, magnetic random-access memory, MRAM, dynamic RAM, static RAM, flash memory, digital cameras, smart cards, automotive control systems, digital cameras, universal serial bus flash drives, personal digital assistants, MP3 players, read-only memories, Not-And, NAND, clamshell designs
In simple terms, it's been clear that there needed to be a standard way for a cellphone or a personal digital assistant with Web access to be able to say to a Web server, "I am a cellphone.
11b wireless connectivity with minimal development effort to devices such as Smart Phones, Personal Digital Assistants (PDA), Point of Sale (POS) terminals, and gaming terminals.
Emblaze Semiconductor's ER452x line of multimedia-centric application processors provides the optimal architecture for a variety of mobile multimedia applications such as mobile phones, personal digital assistants and other wireless devices.
Simpliciti's Home Organizer is the first product to bridge the gap between expensive, business-oriented personal digital assistants (PDAs) and single-user, tiny-screen electronic organizers.
Designed for magnetic stripe program compatibility, this smart loyalty system is principally geared to enable click-and-mortar, real-time rewards programs running on smart cards, laptop computers, personal digital assistants such as Palm Pilot(TM) (PALM) or Windows-based Pocket PCs (MSFT), TV set top boxes, or mobile phones, establishing business continuity across physical, mobile and virtual streams of commerce.
Brycen will globally develop and sell the Bluetooth host protocol stack, profiles, and user interface for personal computers, personal digital assistants, access points, handsets and other Bluetooth-enabled devices.
smart phones and personal digital assistants -- which make up the next generation of networked systems that must be intelligently managed in the complex, evolving enterprise IT landscape.
Students can download Study Studio to their Personal Digital Assistants (PDAs) and gain instant access to course related quizzes, key terms and flashcards.

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