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Encyclopedia > Personal Digital Assistant
User with Treo (PDA with smartphone functionality)
User with Treo (PDA with smartphone functionality)

Personal digital assistants (PDAs) are handheld computers, but have become much more versatile over the years. PDAs are also known as pocket computers or palmtop computers. PDAs have many uses: calculation, use as a clock and calendar, accessing the Internet, sending and receiving E-mails, video recording, typewriting and word processing, use as an address book, making and writing on spreadsheets, scanning bar codes, use as a radio or stereo, playing computer games, recording survey responses, and Global Positioning System (GPS). Newer PDAs also have both color screens and audio capabilities, enabling them to be used as mobile phones (smartphones), web browsers, or portable media players. Many PDAs can access the Internet, intranets or extranets via Wi-Fi, or Wireless Wide-Area Networks (WWANs). Many PDAs employ touch screen technology. Image File history File links Metadata Size of this preview: 399 × 599 pixelsFull resolution (853 × 1280 pixel, file size: 816 KB, MIME type: image/jpeg) File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Image File history File links Metadata Size of this preview: 399 × 599 pixelsFull resolution (853 × 1280 pixel, file size: 816 KB, MIME type: image/jpeg) File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... A Sony Ericsson Smartphone (Model P910i) with touch screen and QWERTY keyboard Look up smartphone in Wiktionary, the free dictionary. ... Handheld devices (also known as handhelds) are pocket-sized computing devices that are rapidly gaining popularity as the access to information in every walk of life becomes more and more mission critical. ... A pocket computer is a small calculator-sized computer programmable in BASIC. This specific category of computers existed primarily in the 1980s. ... Palm IIIxe PDA Personal digital assistants (PDAs or palmtops) are handheld devices that were originally designed as personal organizers, but became much more versatile over the years. ... A calculation is a deliberate process for transforming one or more inputs into one or more results. ... For other uses, see Clock (disambiguation). ... For other uses, see Calendar (disambiguation) A page from the Hindu calendar 1871–1872. ... It has been suggested that Eddress be merged into this article or section. ... Video is the technology of capturing, recording, processing, transmitting, and reconstructing moving pictures, typically using celluloid film, electronic signals, or digital media, primarily for viewing on television or as video clips on computer monitors. ... Mechanical desktop typewriters, such as this Underwood Five, were long time standards of government agencies, newsrooms, and sales offices. ... Word processing, in its now-usual meaning, is the use of a word processor to create documents using computers. ... An address book or a name and address book (NAB) is a book or a collection of data storing contact details (for example: address, telephone number, e-mail address, fax number, mobile phone number). ... A spreadsheet is a rectangular table (or grid) of information, often financial information. ... Wikipedia encoded in Code 128_B A barcode (also bar code) is a machine-readable representation of information in a visual format on a surface. ... This article is about the spacecraft and the mission. ... This article needs a complete rewrite for the reasons listed on the talk page. ... GPS redirects here. ... A smartphone is generally considered any handheld device that integrates personal information management and mobile phone capabilities in the same device. ... An example of a Web browser (Mozilla Firefox) A web browser is a software application that enables a user to display and interact with text, images, videos, music and other information typically located on a Web page at a website on the World Wide Web or a local area network. ... A portable multimedia player (PMP) is a self-reliant electronic device that is capable of storing and playing files in one or more media formats. ... An intranet is a private computer network that uses Internet protocols, network connectivity to securely share part of an organizations information or operations with its employees. ... An extranet is a private network that uses Internet protocols, network connectivity, and possibly the public telecommunication system to securely share part of an organizations information or operations with suppliers, vendors, partners, customers or other businesses. ... While the term wireless network may technically be used to refer to any type of network that is wireless, the term is most commonly used to refer to a telecommunications network whose interconnections between nodes is implemented without the use of wires, such as a computer network (which is a... WWAN, which stands for Wireless Wide Area Network, is a form of wireless network. ... Nintendo DS Touch screen A touch screen is an input/output device that allows the user to interact with the computer by touching the display screen. ...

Contents

History

The term "personal data assistant" was first used on January 7, 1992 by Apple Computer CEO John Sculley at the Consumer Electronics Show in Las Vegas, Nevada, referring to the Apple Newton. PDAs are sometimes referred to as "Palms", "Palm Pilot" or "Palm Tops". is the 7th day of the year in the Gregorian calendar. ... Year 1992 (MCMXCII) was a leap year starting on Wednesday (link will display full 1992 Gregorian calendar). ... Apple Inc. ... Chief Executive Officer (CEO) is the job of having the ultimate executive responsibility or authority within an organization or corporation. ... John Sculley (born April 6, 1939) was president of PepsiCo during the 1970s and early 1980s, until he became CEO of Apple on April 8, 1983, a position he held until leaving in 1993. ... The International Consumer Electronics Show (CES) is a trade show held each January in Las Vegas, Nevada, and is sponsored by the Consumer Electronics Association. ... The Las Vegas metropolitan area, includes the Las Vegas Valley a 600 square mile (1600 km²) basin, and surrounding areas, that are part of Clark County in southern Nevada. ... This article is about the U.S. State of Nevada. ... The Apple Newton MessagePad 100 The Apple Newton, or simply Newton, is an early line of personal digital assistants developed and marketed by Apple Computer (now Apple Inc. ...


Typical features

Currently, a typical PDA has a touch screen for entering data, a memory card slot for data storage and at least one of the following for connectivity: IrDA, Bluetooth and/or WiFi. However, many PDAs (typically those used primarily as telephones) may not have a touch screen, using softkeys, a directional pad and either the numeric keypad or a thumb keyboard for input.


Software typically required to be a PDA includes an appointment calendar, a to-do list, an address book for contacts and some sort of note program. Connected PDAs also typically include E-mail and Web support.


Touch screen

Many original PDAs, such as the Apple Newton and the Palm Pilot, featured touch screens for user interaction, having only a few buttons usually reserved for shortcuts to often used programs. Touch screen PDAs, including Windows Pocket PC devices, usually have a detachable stylus that can be used on the touch screen. Interaction is then done by tapping the screen to activate buttons or menu choices, and dragging the stylus to, for example, highlight. Text input is usually done in one of three ways: The Apple Newton MessagePad 100 The Apple Newton, or simply Newton, is an early line of personal digital assistants developed and marketed by Apple Computer (now Apple Inc. ... An early model - the Pilot 5000 The Palm m130 was one of the first Palms with a colour screen Pilot was the name given to the first generation of personal digital assistants manufactured by Palm Computing in 1996 (then a division of U.S. Robotics and later 3Com). ... Podium touchscreen Touchscreens, touch screens, touch panels or touchscreen panels are display overlays which have the ability to display and receive information on the same screen. ... Pocket PC A Pocket PC, abbreviated P/PC or PPC, is a handheld-sized computer that runs a specific version of the Windows CE operating system. ... For the online music and film magazine, see Stylus Magazine. ...

  • Using a virtual keyboard, where a keyboard is shown on the touch screen. Input is done by tapping the letters.
  • Using letter or word recognition, where letters or words are written on the touch screen, and then "translated" to letters in the currently activated text field. Despite rigorous research and development projects, end-users experience mixed results with this input method, with some finding it frustrating and inaccurate, while others are satisfied with the quality.[1] Recognition and computation of handwritten horizontal and vertical formulas such as "1 + 2 =" was also under development.
  • Stroke recognition (termed Graffiti by Palm). In this system a predefined set of strokes are defined to represent the various characters needed. The user learns to draw these strokes on the screen or in an input area. The strokes are often simplified character shapes to make them easier to remember.

PDAs for business use, including the BlackBerry and Treo, have full keyboards and scroll wheels or thumb wheels to facilitate data entry and navigation, in addition to supporting touch-screen input. There are also full-size foldable keyboards available that plug directly, or use wireless technology to interface with the PDA and allow for normal typing. BlackBerry also has additional functionality as push based email and applications. This article is about the type of computer program. ... Handwriting recognition is the ability of a computer to receive intelligible handwritten input. ... This article is about the fruit. ... Treos redirects here. ... This article is about the fruit. ...


Newer PDAs, such as the Apple iPhone include new user interfaces using other means of input. The iPhone uses a technology called Multi-touch. For the Internet appliance line, see Linksys iPhone. ... Multi-touch is a human-computer interaction technique and the hardware devices that implement it. ...


Memory cards

Although many early PDAs did not have memory card slots, now most have either an SD (Secure Digital) and/or a Compact Flash slot. Although originally designed for memory, SDIO and Compact Flash cards are available for such things as Wi-Fi and Webcams. Some PDAs also have a USB port, mainly for USB flash drives. Four major types of memory cards (from left to right: CompactFlash, Memory Stick, Secure Digital, and xD. A memory card or flash memory card is a solid-state electronic flash memory data storage device used with digital cameras, handheld and Mobile computers, telephones, music players, video game consoles, and other... 16Mb SD Card Secure Digital, or SD, is a flash memory data storage device based on Toshibas earlier Multi Media Cards (MMC). ... CompactFlash (CF) was originally a type of data storage device, used in portable electronic devices. ... 16Mb SD Card Secure Digital (also known as SD) is a flash memory memory card format. ... Note: USB may also mean upper sideband in radio. ... A USB drive, shown with a 24 mm US quarter coin for scale. ...


As more PDAs include telephone support, to keep the size down, many now offer miniSD or microSD slots instead of full-sized SD slots.


Wired connectivity

While many earlier PDAs connected via serial ports or other proprietary format, many today connect via USB cable. This served primarily to connect to a computer, and few, if any PDAs were able to connect to each other out of the box using cables, as USB requires one machine to act as a host - functionality which was not often planned. Some PDAs were able to connect to the internet, either by means of one of these cables, or by using an extension card with an ethernet port/RJ-45 adaptor. A male DE-9 connector used for a serial port on a PC style computer. ... Ethernet is a large, diverse family of frame-based computer networking technologies that operate at many speeds for local area networks (LANs). ... Cat5 cables with RJ-45 connectors, wired to EIA/TIA-568B An RJ-45 connector that has yet to be crimped onto a cable RJ-45 (Registered Jack 45) is a physical interface often used for terminating twisted pair type cables. ...


Wireless connectivity

Most modern PDAs have Bluetooth wireless connectivity, an increasingly popular tool for mobile devices. It can be used to connect keyboards, headsets, GPS and many other accessories, as well as sending files between PDAs. Many mid-range and superior PDAs have Wi-Fi/WLAN/802.11-connectivity, used for connecting to Wi-Fi hotspots or wireless networks. Older PDAs predominantly have an IrDA (infrared) port; however fewer current models have the technology, as it is slowly being phased out due to support for Bluetooth and Wi-Fi. IrDA allows communication between two PDAs: a PDA and any device with an IrDA port or adapter. Most universal PDA keyboards use infrared technology because many older PDAs have it, and infrared technology is low-cost and has the advantage of being permitted aboard aircraft. Bluetooth logo This article is about the electronic protocol named after Harald Bluetooth Gormson. ... GPS redirects here. ... Official Wi-Fi logo Wi-Fi (pronounced wye-fye, IPA: ) is a wireless technology brand owned by the Wi-Fi Alliance intended to improve the interoperability of wireless local area network products based on the IEEE 802. ... Wikipedia does not yet have an article with this exact name. ... IEEE 802. ... The initials IRDA can refer to various things: In Information Technology and Communications, IrDA refers to Infrared Data Association, a standard for communication between devices (such as computers, PDAs and mobile phones) over short distances using infrared signals. ... For other uses, see Infrared (disambiguation). ... The initials IRDA can refer to various things: In Information Technology and Communications, IrDA refers to Infrared Data Association, a standard for communication between devices (such as computers, PDAs and mobile phones) over short distances using infrared signals. ...


Synchronization

An important function of PDAs is synchronizing data with a PC. This allows up-to-date contact information stored on software such as Microsoft Outlook or ACT! to update the database on the PDA. The data synchronization ensures that the PDA has an accurate list of contacts, appointments and e-mail, allowing users to access the same information on the PDA as the host computer. Microsoft Outlook or Outlook (full name Microsoft Office Outlook since Outlook 2003) is a personal information manager from Microsoft, and is part of the Microsoft Office suite. ... ACT! by Sage is a customer relationship management (CRM) software which is used to keep track of client and prospect details in a single database that can be shared by multiple users. ...


The synchronizing also prevents the loss of information stored on the device in case it is lost, stolen, or destroyed. Another advantage is that data input is usually a lot quicker on a PC, since text input via a touch screen is still not quite optimal. Transferring data to a PDA via the computer is therefore a lot quicker than having to manually input all data on the handheld device.


Most PDAs come with the ability to synchronize to a PC. This is done through synchronization software provided with the handheld, such as HotSync Manager, which comes with Palm OS handhelds, Microsoft ActiveSync for older versions of Windows or Windows Mobile Device Center on Windows Vista, which comes with Windows Mobile handhelds.


These programs allow the PDA to be synchronized with a Personal information manager. This personal information manager may be an outside program or a proprietary program. For example, the BlackBerry PDA comes with the Desktop Manager program which can synchronize to both Microsoft Outlook and ACT!. Other PDAs come only with their own proprietary software. For example, some early Palm OS PDAs came only with Palm Desktop while later Palms such as the Treo 650 has the built-in ability to sync to Palm Desktop and/or Microsoft Outlook, while Microsoft's ActiveSync and Windows Mobile Device Center only synchronize with Microsoft Outlook or a Microsoft Exchange server. A personal information manager (PIM) is a type of application software that functions as a personal organizer. ... Microsoft Outlook or Outlook (full name Microsoft Office Outlook since Outlook 2003) is a personal information manager from Microsoft, and is part of the Microsoft Office suite. ... ACT! by Sage is a customer relationship management (CRM) software which is used to keep track of client and prospect details in a single database that can be shared by multiple users. ...


Third-party synchronization software is also available for many PDAs from companies like Intellisync and CompanionLink. This software synchronizes these handhelds to other personal information managers which are not supported by the PDA manufacturers, such as GoldMine and Lotus Notes. The Intellisync Corporation is a provider of Data and PIM Synchronization software for mobile devices, such as Cell Phones and PDAs. ... GoldMine is a Customer Relationship Managment software package. ... Lotus Notes is a client-server collaborative software and e-mail system owned by Lotus Software, of the IBM Software Group. ...


Customization

As with personal computers, it is possible to install additional software on most PDAs. Software can be bought or downloaded from the Internet, allowing users to personalize their PDAs to their liking. An example of this would be the display theme for the PDA. Almost all PDAs also allow for adding some form of hardware. The most common is a memory card slot, which allows the users to get additional and exchangeable storage space on their handheld devices. There are also miniature keyboards that can be connected to most mainstream PDAs for quicker text input. PDAs with Bluetooth use Bluetooth-enabled devices like headsets, mice and (possibly foldable) keyboards. Bluetooth logo This article is about the electronic protocol named after Harald Bluetooth Gormson. ...


Uses

PDAs are used to store information that can be accessed at any time and any where.


Automobile navigation

Many PDAs are used in car kits and are fitted with differential Global Positioning System (GPS) receivers to provide realtime automobile navigation. PDAs are increasingly being fitted as standard on new cars. GPS redirects here. ...


Many systems can also display traffic conditions, dynamic routing and roadside mobile radar guns. Popular software in Europe for this functionality is TomTom software showing road conditions and 3D environments. TomTom NV (Euronext: TOM2) is a Netherlands-based maker of navigation systems for automobiles, motorcycles, personal digital assistants, and mobile phones. ...


Ruggedized PDAs

For many years businesses and government organizations have relied upon rugged PDAs for mobile data applications. Typical applications include supply chain management in warehouses, package delivery, route accounting, medical treatment and record keeping in hospitals, facilities maintenance and management, parking enforcement, access control and security, capital asset maintenance, meter reading by utilities, and "wireless waitress" applications in restaurants and hospitality venues.


Medical and scientific uses

In medicine, PDAs have been shown to aid diagnosis and drug selection and some studies have concluded that their use by patients to record symptoms improves the effectiveness of communication with hospitals during follow-up. The first landmark study in testing the effectiveness of PDAs in a medical setting was conducted at the Brigham & Women's Hospital and Massachusetts General Hospitals in affiliation with Harvard Medical School. Led by the team of Steven Labkoff, MD and Sandeep Shah, the Constellation project used Apple's Newton (first PDA in the market) to cater to the demands of the medical professionals. Image File history File links Question_book-3. ... The Apple Newton MessagePad 100 The Apple Newton, or simply Newton, is an early line of personal digital assistants developed and marketed by Apple Computer (now Apple Inc. ...


Constellation's objective was to test how clinicians in various medical environments (wired vs un wired) would use medical reference books on a hand-held device. The study validated the hypothesis that PDAs with medical content would be used to a greater degree (>40% more often) in unwired environments.


Today, the company evolved from the effort Skyscape offers a wide range of resources including drug information, treatment options, guidelines, evidence based information and journal summaries including the drug & safety alerts. Other entrants include Epocrates and ABX guide, which supply drug databases, treatment information and relevant news in formats specific to mobile devices and services such as AvantGo translate medical journals into readable formats and provide updates from journals. WardWatch organizes medical records to remind doctors making ward rounds of information such as the treatment regimens of patients and programs. Finally, Pendragon and Syware provide tools for conducting research with mobile devices, and connecting to a central server allowing the user to enter data into a centralized database using their PDA. Additionally, Microsoft Visual Studio and Sun Java provide programming tools for developing survey instruments on the handheld. These development tools allow for integration with SQL databases that are stored on the handheld and can be synchronized with a desktop/server based database. Recently the development of Sensor Web technology has led to discussion of using wearable bodily sensors to monitor ongoing conditions like diabetes and epilepsy and alerting medical staff or the patient themselves to the treatment required via communication between the web and PDAs. Epocrates, based in San Mateo, CA, develops mobile and Web-based solutions that assist physicians and other healthcare professionals in answering critical questions during patient consultations. ... AvantGo is Web page / file synchronization service for personal digital assistants (PDAs) and smartphones. ... The Sensor Web is a new class of geographic information system (GIS) that is especially well suited for environmental monitoring and control. ...

Educational uses

As mobile technology has become almost a necessity, it is no surprise that personal computing has become a vital learning tool by this time. Educational institutes have commenced a trend of integrating PDAs into their teaching practices (mobile learning). With the capabilities of PDAs, teachers are now able to provide a collaborative learning experience for their students. They are also preparing their students for possible practical uses of mobile computing upon their graduation. Image File history File links Unbalanced_scales. ... M-learning is the follow up of E-learning which for its part originates from D-learning (distance education). ...


PDAs and handheld devices have recently allowed for digital note taking. This has increased student’s productivity by allowing individuals to quickly spell-check, modify, and amend their class notes or e-notes. Educators are currently able to distribute course material through the use of the internet connectivity or infrared file sharing functions of the PDA. With concerns to class material, textbook publishers have begun to release e-books, electronic textbooks, which can be uploaded directly to a PDA. This eliminates the exhausting effort of carrying multiple textbooks at one time.


To meet the instructive needs sought by educational institutes, software companies have developed programs with the learning aspects in mind. Simple programs such as dictionaries, thesauri, and word processing software are important to the digital note taking process. In addition to these simple programs, encyclopedias and digital planning lessons have created added functionality for users. Word processing, in its now-usual meaning, is the use of a word processor to create documents using computers. ...


With the increase in mobility of PDAs, school boards and educational institutes have now encountered issues with these devices. School boards are now concerned with students utilizing the internet connectivity to share test answers or to gossip during class time, which creates disruptions. Many school boards have modernized their computer policies to address these new concerns. Software companies such as Scantron Corp. have now created a program for distributing digital quizzes. The quiz software disables the infrared function on PDAs, which eliminates the element of information sharing among individuals during the examination.[1] Scantron Corporation Scantron is a company, based in Irvine, California, USA, that makes and sells (1) machine-readable papers on which pupils and students mark their answers to academic test questions, (2) the machines to grade them, (3) Survey and Test Scoring systems, and (4) Image based data collection software...


Sporting uses

PDAs are used by glider pilots for pre-flight planning and to assist navigation in cross-country competitions. They are linked to a GPS to produce moving-map displays showing the tracks to turn-points, airspace hazards and other tactical information. it is not a useful thing. A modern glider crossing the finish line of a competition at high speed. ... GPS redirects here. ...


Technical details

Architecture

Many PDAs run using a variation of the ARM architecture (usually denoted by the Intel XScale trademark). This encompasses a class of RISC microprocessors that are widely used in mobile devices and embedded systems, and its design was influenced strongly by a popular 1970s/1980s CPU, the MOS Technology 6502. The ARM architecture (previously, the Advanced RISC Machine, and prior to that Acorn RISC Machine) is a 32-bit RISC processor architecture developed by ARM Limited that is widely used in a number of embedded designs. ... Intel Corporation (NASDAQ: INTC, SEHK: 4335), founded in 1968 as Integrated Electronics Corporation, is an American multinational corporation that is best known for designing and manufacturing microprocessors and specialized integrated circuits. ... The XScale, a microprocessor core, is Marvells (formerly Intels) implementation of the 5th generation of the ARM architecture, and consists of several distinct families: IXP, IXC, IOP, PXA and CE (see more below). ... “(TM)” redirects here. ... Reduced Instruction Set Computer (RISC), is a microprocessor CPU design philosophy that favors a smaller and simpler set of instructions that all take about the same amount of time to execute. ... A microprocessor is a programmable digital electronic component that incorporates the functions of a central processing unit (CPU) on a single semiconducting integrated circuit (IC). ... Mobile Computing is a generic term describing your ability to use technology untethered, that is not physically connected, or in remote or mobile (non static) environments. ... A router, an example of an embedded system. ... The 1970s decade refers to the years from 1970 to 1979, also called The Seventies. ... The 1980s refers to the years from 1980 to 1989. ... CPU redirects here. ... The MOS Technology 6502 is an 8-bit microprocessor that was designed by Chuck Peddle for MOS Technology in 1975. ...


OS

The currently major PDA operating systems are: An operating system (OS) is the software that manages the sharing of the resources of a computer and provides programmers with an interface used to access those resources. ...

Palm OS is an embedded operating system initially developed by U.S. Robotics owned Palm Computing, Inc. ... Categories: Companies traded on NASDAQ | Electronics companies of the United States | Corporation stubs ... Windows Mobile is a compact operating system combined with a suite of basic applications for mobile devices based on the Microsoft Win32 API. Devices which run Windows Mobile include Pocket PCs, Smartphones, and Portable Media Centers. ... The Dell Axim x30, a Pocket PC A Pocket PC, abbreviated P/PC or PPC, is a hardware specification for a handheld-sized computer (Personal digital assistant) that runs the Windows Mobile operating system. ... Windows CE (sometimes abbreviated WinCE) is a variation of Microsofts Windows operating system for minimalistic computers and embedded systems. ... Microsoft Corporation, (NASDAQ: MSFT, HKSE: 4338) is a multinational computer technology corporation with global annual revenue of US$44. ... This article is about the fruit. ... Research In Motion Limited (RIM) (TSX: RIM, NASDAQ: RIMM) is a Canadian wireless device company. ... This article is about operating systems that use the Linux kernel. ... Free software is software that can be used, studied, and modified without restriction, and which can be copied and redistributed in modified or unmodified form either without restriction, or with restrictions only to ensure that further recipients can also do these things. ... Familiar Linux is a replacement for Windows CE on iPAQ machines and other personal digital assistants (PDAs). ... The GPE Palmtop Environment or simply GPE aims to provide a Free Software GUI environment for palmtop and handheld computers running the GNU/Linux operating system. ... OPIE (Open Palmtop Integrated Environment) is a completely open source based graphical user interface for PDAs and other devices running Linux. ... The OpenZaurus project was created as an alternative image for the Sharp Zaurus personal mobile tool. ... Sharp Zaurus SL-5500 running OpenZaurus and OPIE, with docking cradle and stylus The Sharp Zaurus is the name of a series of Personal Digital Assistant (PDA) made by Sharp Corporation. ... Symbian OS is a proprietary operating system, designed for mobile devices, with associated libraries, user interface frameworks and reference implementations of common tools, produced by Symbian Ltd. ... EPOC is a range of operating systems developed by Psion for portable devices, primarily PDAs. ... Motorola Inc. ... Panasonic is an international brand name for Japanese electric products manufacturer Matsushita Electric Industrial Co. ... This article is about the telecommunications corporation. ... Samsung Group is one of the largest South Korean business groupings. ... Siemens redirects here. ... For an arrangement of Sony Ericsson products, see list of Sony Ericsson products Sony Ericsson is a joint venture established in 2001 by the Japanese consumer electronics company Sony Corporation and the Swedish telecommunications company Ericsson to make mobile phones. ...

Decreasing popularity?

PDA sales fell 43.5% from 2006 to 2007. Approximately 4 million PDAs are sold per year, while smartphone sales are approximately 60 million per year. Image File history File links Emblem-important. ...


According to a Gartner market study, the overall market for PDAs grew by 20.7% in the third quarter (Q3) of 2005, compared to Q3 2004, with marketshare resolving as follows (by operating system):[citation needed] Gartner, Inc. ... Look up Market in Wiktionary, the free dictionary. ... A fiscal year (or financial year or accounting reference date) is a 12-month period used for calculating annual (yearly) financial statements in businesses and other organizations. ... Year 2005 (MMV) was a common year starting on Saturday (link displays full calendar) of the Gregorian calendar. ... Year 2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar. ...

Palm OS is an embedded operating system initially developed by U.S. Robotics owned Palm Computing, Inc. ... This is a list of PalmOS devices, and companies that make, or have made, them. ... Windows Mobile is a compact operating system combined with a suite of basic applications for mobile devices based on the Microsoft Win32 API. Devices which run Windows Mobile include Pocket PCs, Smartphones, and Portable Media Centers. ... The Dell Axim x30, a Pocket PC A Pocket PC, abbreviated P/PC or PPC, is a hardware specification for a handheld-sized computer (Personal digital assistant) that runs the Windows Mobile operating system. ... This article is about the fruit. ... This article is about the fruit. ... Research In Motion Limited (RIM) (TSX: RIM, NASDAQ: RIMM) is a Canadian wireless device company. ... This article is about operating systems that use the Linux kernel. ...

Shortcomings

Perhaps, more than any other computer devices, the PDA lacks the fully-blown infrastructure of a Wireless Broadband network. This could be offered in future by WiMax. Nowadays prices of laptops are coming down. Though somewhat bigger in size, laptops have better visibility and are more powerful. However, the OQO Model 2 has been released as an IBM-PC compatible PDA with a USB port so that people can play computer games from ubiquitous operating systems such as Windows XP and connect typical PC peripherals. Official WiMax logo WiMAX, the Worldwide Interoperability for Microwave Access, is a telecommunications technology aimed at providing wireless data over long distances in a variety of ways, from point-to-point links to full mobile cellular type access. ... For the band, see Laptop (band). ... OQO is the manufacturer of a subnotebook computer named the ultra Personal Computer (UPC). ... The OQO Model 2 is a pocket computer with Windows Vista and an x86 processor. ... One of the first PCs from IBM - the IBM PC model 5150. ... Windows XP is a line of operating systems developed by Microsoft for use on general-purpose computer systems, including home and business desktops, notebook computers, and media centers. ...


Popular consumer PDAs

The Hewlett-Packard Company (NYSE: HPQ), commonly known as HP, is a very large, global company headquartered in Palo Alto, California, United States. ... iPAQ presently refers to a Pocket PC and personal digital assistant first unveiled by Compaq in April 2000; the name was borrowed from Compaqs earlier iPAQ Desktop Personal Computers. ... Psion PLC is a consumer hardware company mostly known for developing the Psion Organiser as well as a whole range of more advanced, clamshell-design Personal Digital Assistants. ... For other uses, see Sidekick (disambiguation). ... General The Abacus PDA Watch is a watch made for the avergage buisness man; giving him/her the option of having his/her own personal PDA on his/her wrist. ... This article should belong in one or more categories. ... The AlphaSmart is a brand of portable, battery powered, word-processing keyboards manufactured by AlphaSmart, Inc. ... The Simputer is a self-contained, handheld computer, designed for use in environments where computing devices such as Personal Computers are deemed inappropriate. ... This article is about the fruit. ... PV-S1600 Pocket Viewer (Casio PV) was a model range of Personal Digital Assistants developed by Casio. ... This article does not cite any references or sources. ... Fujitsu Siemens Computers is a European IT vendor, selling consumer and business computing products in the markets of Europe, the Middle East and Africa. ... The Yopy is the name of a series of Personal Digital Assistants (PDA) made by GMate Corporation, also used as popular PDA Phone in Korea and based on the Linux operating system. ... High Tech Computer Corporation (TSEC: 2498), known by its acronym HTC, is a Taiwan-based manufacturer of Microsoft Windows CE portable devices. ... Palm, Inc. ... The Tungsten series was Palm, Inc. ... The TX is a personal digital assistant produced by Palm, Inc. ... Treos redirects here. ... The Palm Zire series of PDAs is Palms consumer line. ... OQO is the manufacturer of a subnotebook computer named the ultra Personal Computer (UPC). ... The OQO Model 2 is a pocket computer with Windows Vista and an x86 processor. ... IBM PC compatible computers are those generally similar to the original IBM PC, XT, and AT. Such computers used to be referred to as PC clones, or IBM clones since they almost exactly duplicated all the significant features of the PC, XT, or AT internal design, facilitated by various manufacturers... This article lacks information on the importance of the subject matter. ... The Novation CAT acoustically coupled modem In telecommunications, the term acoustic coupler has the following meanings: An interface device for coupling electrical signals by acoustical means--usually into and out of a telephone instrument. ... Opened OZ-7000 with an expansion card installed The first Sharp Wizard electronic organizer was the OZ-7000 released in 1989, making it one of the first Personal digital assistants (PDAs). ... Sharp Zaurus SL-5500 running OpenZaurus and OPIE, with docking cradle and stylus The Sharp Zaurus is the name of a series of Personal Digital Assistant (PDA) made by Sharp Corporation. ...

Discontinued

HP Jornada 560 Series The Jornada was a line of personal digital assistants or PDAs manufactured by HP computers. ... SONY CLIÉ Logo The CLIÉ N760C with its included headphones and the Audio Player program. ... The Tapwave Zodiac 2 The Tapwave Zodiac is a Palm OS 5-based PDA created by the US company Tapwave, and the first Palm-based device developed with gaming and multimedia as primary considerations. ... The LifeDrive is a handheld device produced by Palm, Inc. ... The Apple Newton MessagePad 100 The Apple Newton, or simply Newton, is an early line of personal digital assistants developed and marketed by Apple Computer (now Apple Inc. ... This article does not cite any references or sources. ... The MobilePro is a discontinued line of personal digital assistants manufactured by NEC. Most models in the MobilePro range were handheld PCs with almost full size keyboards and a compact form placing them between being a palmtop and a subnotebook. ...

Rugged PDAs for business, government and military applications

Hand Held Products (formerly HHP, Inc. ... Intermec Technologies Corporation ([1]) is an Auto Identification and Data Capture (AIDC) company and is a subsidiary of UNOVA. A major owner of RFID patents underpinning the EPCglobal RFID standard. ... Psion PLC is a consumer hardware company mostly known for developing the Psion Organiser as well as a whole range of more advanced, clamshell-design Personal Digital Assistants. ... To meet Wikipedias quality standards, this article or section may require cleanup. ...

See also

A taxi in Kyoto, equipped with GPS navigation system An automotive navigation system is a satellite navigation system designed for use in automobiles. ... The Danger Hiptop, also sold as the T-Mobile Sidekick, is a GPRS/EDGE mobile phone with wireless Internet capabilities and some functionality similar to a PDA. The Hiptop is sold by T-Mobile in the United States, United Kingdom, Germany and Austria. ... Desknotes are crosses between desktop computers and notebook computers. ... A chart of the Graffiti characters (full size) Graffiti is the handwriting recognition software used in PDAs based on the Palm OS. Graffiti was originally written by Palm as an alternate recognition system for the Apple Newton MessagePad, when NewtonOS 1 couldnt recognize handwriting very well at all. ... Hipster PDA The Hipster PDA is a paper-based personal organizer popularized, if not invented, by San Francisco writer Merlin Mann. ... An information appliance (IA) is any device that can process information, signals, graphics, animation, video and audio; and can exchange such information with another IA device. ... For the band, see Laptop (band). ... Mobile software is designed to run on handheld computers, personal digital assistants (PDAs), smartphones and cellphones. ... M-learning is the follow up of E-learning which for its part originates from D-learning (distance education). ... Pocket Internet Explorer displaying the Wikipedia main page on a PDA Opera Mini displaying the Wikipedia portal The Mobile Web refers to the World Wide Web as accessed from mobile devices such as cell phones, PDAs, and other portable gadgets connected to a public network. ... A personal area network (PAN) is a computer network used for communication among computer devices (including telephones and personal digital assistants) close to one person. ... A Personal Communicator is the name, coined in 1991, for a category of handheld devices that provide personal information manager functions and wireless data communications capabilities over wide-area systems such as cellular networks. ... A Personal Information Display is any device that displays user-configured information, which can be a combination of static and dynamically-generated data. ... A personal information manager (PIM) is a type of application software that functions as a personal organizer. ... A Sony Ericsson Smartphone (Model P910i) with touch screen and QWERTY keyboard Look up smartphone in Wiktionary, the free dictionary. ... The Sony CLI is a line of personal digital assistants running the Palm OS that are distinguished from other PDAs by such features (not all available on all models) as a jog-wheel interface, Memory Stick slot, MP3 playback, and high-resolution displays. ... Sony VAIO model C1 subnotebook A subnotebook is a small and lightweight portable computer, with most of the features of a standard notebook computer but smaller. ... A Tablet PC is a notebook- or slate-shaped mobile computer. ... The Ultra-Mobile PC (abbreviated UMPC), previously known by its codename Project Origami, is a specification for a small form factor tablet PC. It was developed as a joint development exercise by Microsoft, Intel, and Samsung, among others. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... This article or section does not cite its references or sources. ... The model 150. ...

References

  1. ^ HWR accuracy:

External links

Wikimedia Commons has media related to:
Personal digital assistants

  Results from FactBites:
 
Howstuffworks "How PDAs Work" (530 words)
The main purpose of a personal digital assistant (PDA) is to act as an electronic organizer or day planner that is portable, easy to use and capable of sharing information with your PC.
As its capabilities continue to grow, the standard PDA device is changing.
Predecessors of the modern PDA include the Psion Organiser and the Sharp Wizard.
personal digital assistant. The Columbia Encyclopedia, Sixth Edition. 2001-05 (159 words)
(PDA), lightweight, hand-held computer designed for use as a personal organizer with communications capabilities.
A typical PDA has no keyboard, relying instead on special hardware and pen-based computer software to enable the recognition of handwritten input, which is entered on the surface of a liquid crystal 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.
  More results at FactBites »

 
 

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