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

(computer)
(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 ?
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).
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
For example, a combination of Wi-Fi and WiMAX capabilities for cellular phones, laptops, and personal digital assistants (PDAs) is an emerging trend.
Used primarily in storing multimedia data, NAND flash brings a higher level of functionality in products such as digital cameras, universal serial bus flash drives, personal digital assistants, and MP3 players.
In addition, customers can now monitor claims status and receive e-mail alerts via wireless devices, including personal digital assistants (PDAs), hand-held devices, and web-enabled cell-phones.
Its lineage is the successful SyChip WLAN6060EB platform, certified worldwide and in high volume production in leading Microsoft- and Palm-based Personal Digital Assistants (PDA).

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