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 ?
A growing number of carriers are using global-positioning systems, personal digital assistants and other wireless devices to handle daily tasks.
Or, if a manufacturer needs to speak with factory workers, Strix Systems enables that communication through a personal digital assistant.
The RESPONSE Services Center is capable of supporting numerous mobile client devices such as smart phones, wireless personal digital assistants, in-vehicle Telematics units and virtually any other device that can communicate data and provide location.
Users of Palm OS-compatible personal digital assistants can download the required application file from the Board's web site to their personal computers and then transfer it onto their personal digital assistants.
HPC users no longer have to worry about being hemmed in by proprietary operating systems and limited software applications that characterize many personal digital assistants like Sharp's Zaurus or U.
a recognized pioneer and innovator in the information industry, creates powerful solutions based on easy to use personal computers, servers, peripherals, software, online services, and personal digital assistants.
Philips will also be demonstrating the Philips Nexperia Personal Media Player (PMP) system solution, which has been enhanced to include an optional DVB-T module (the PDD2016) for reception of live digital TV on portable media players and personal digital assistants (PDAs).
In the future, Samsung will develop and produce a variety of digital convergence consumer products based on the ARM technology, including a personal digital assistant.
Keywords in this release: smart batteries, automotive, healthcare, electronics, secondary lithium, zinc-air, nickel-metal hydride batteries, lithium-ion polymer batteries, hybrid vehicles, system management bus, SMBus, level-3 charger, calibration, digital sensing circuit, rechargeable batteries, battery charger, digital multimedia broadcasting, Bluetooth modules, digital cameras, GPS devices, MP3 readers, personal digital assistants, 3G modems, 3G phones
25 /PRNewswire/ -- Using personal digital assistants as a communications tool has become a reality today as Motorola, Inc.
Software Application Enables Field Representatives to Synchronize Personal Digital Assistants with Enterprise Servers for Enhanced Sales, Marketing, and Service Effectiveness
For example, a combination of Wi-Fi and WiMAX capabilities for cellular phones, laptops, and personal digital assistants (PDAs) is an emerging trend.

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