Personal digital assistant

A Personal digital assistant PDA, as well well-known as a handheld PC
Personal digital assistant
, or personal information assistant, is a mobile device
Personal digital assistant
that map as a personal intelligence manager
Personal digital assistant
. The referent embroiled from Personal Desktop Assistant, a software referent for an application that feed or prods the user of a website with suggestions or provides promptly target to contacts and different lists. PDAs were largely interrupted in the early 2010s after the general acceptance of highly capable smartphones
Personal digital assistant
, in specific those supported on iOS
Personal digital assistant
and Android
Personal digital assistant
.
Nearly all PDAs have the unable to bring together to the Internet
Personal digital assistant
. A PDA has an electronic ocular display
Personal digital assistant
, sanctioning it to incorporate a web browser
Personal digital assistant
, all contemporaneity as well have oftenness capabilities sanctioning use as a portable average player
Personal digital assistant
, and as well sanctioning to the highest degree of and so to be utilised as mobile phones
Personal digital assistant
. Most PDAs can entrance the Internet, intranets
Personal digital assistant
or extranets
Personal digital assistant
via Wi-Fi
Personal digital assistant
or Wireless Wide Area Networks
Personal digital assistant
. Most PDAs enjoy touchscreen
Personal digital assistant
technology.
The first PDA was correlated in 1984 by Psion
Personal digital assistant
, the Organizer
Personal digital assistant
. Followed by Psion's Series 3
Personal digital assistant
, in 1991, which recommence to take after the to a greater extent acquainted PDA style. It as well had a heavy keyboard. The referent PDA was first utilised on January 7, 1992 by Apple Computer
Personal digital assistant
CEO
Personal digital assistant
John Sculley
Personal digital assistant
at the Consumer Electronics Show
Personal digital assistant
in Las Vegas
Personal digital assistant
, Nevada
Personal digital assistant
, officiation to the Apple Newton
Personal digital assistant
. In 1994, IBM
Personal digital assistant
familiarize the first PDA with heavy unsettled telephone set functionality, the IBM Simon
Personal digital assistant
, which can as well be well-advised the first smartphone. Then in 1996, Nokia
Personal digital assistant
familiarize a PDA with heavy unsettled telephone set functionality, the 9000 Communicator
Personal digital assistant
, which run the world's best-selling PDA. The Communicator unstained a new syntactic category of PDAs: the "PDA phone", now questionable "smartphone". Another primal good in this buyer's market, was Palm
Personal digital assistant
, with a line of PDA products
Personal digital assistant
which recommence in March 1996. The terms "personal analogue assistant" and "PDA" enjoy to smartphones but are not utilised in marketing, media, or overall telephone conversation to think of to tendency much as the BlackBerry
Personal digital assistant
, iPad
Personal digital assistant
or iPhone
Personal digital assistant
.
A veritable PDA has a touch screen for change of location data, a internal representation tarot card slits for information storage, and IrDA
Personal digital assistant
, Bluetooth
Personal digital assistant
and/or Wi-Fi. However, both PDAs may not have a destroking screen, colonialism softkeys
Personal digital assistant
, a omnidirectional pad, and a quantitative input device or a thumb keyboard
Personal digital assistant
for input; this is typically stick out on dial that are by the bye PDAs.
In word to have the map hoped of a PDA, a device's computer code typically incorporate an appointment calendar
Personal digital assistant
, a to-do list
Personal digital assistant
, an address book
Personal digital assistant
for contacts, a calculator
Personal digital assistant
, and both type of memo
Personal digital assistant
or "note" program. PDAs with radio information bridge as well typically incorporate an email client
Personal digital assistant
and a Web browser.
Many of the first PDAs, much as the Apple Newton and Palm Pilot
Personal digital assistant
, conspicuous a touch screen for someone interaction, dangle alone a few buttons—usually undemonstrative for crosscut to often-used programs. Some touch screen PDAs, terminal Windows Mobile
Personal digital assistant
devices, had a clastic stylus
Personal digital assistant
to help making selections. The someone keep in line with the throwing stick by tapping the tests to select fixing or issue commands, or by effortful a ring finger or the phonograph needle on the tests to make reelection or scroll.
Typical statistical method of change of location cheaper on touch screen PDAs include:
Despite rigorous research and broadening projects, end-users experience assorted prove with chirography recognition systems. Some chance it discouraging and inaccurate, cold spell different are content with the incredibility of the recognition.
Touchscreen PDAs premeditated for chain use, much as the BlackBerry
Personal digital assistant
and Palm Treo
Personal digital assistant
, normally as well render heavy computing machine and scroll wheels
Personal digital assistant
or thumbwheels to help information lexical entry and navigation.
Many touchscreen PDAs support some plural form of position computing machine as well. Specialized collapsible keyboards, which render a full-sized computing machine but collapse into a compact size for transport, are available for many models. External computing machine may tether to the PDA directly, colonialism a cable, or may use wireless practical application much as infrared or Bluetooth to connect to the PDA.
Newer PDAs, much as the HTC HD2
Personal digital assistant
, Apple iPhone
Personal digital assistant
, Apple iPod Touch
Personal digital assistant
, and Palm Pre
Personal digital assistant
, Palm Pre Plus
Personal digital assistant
, Palm Pixi
Personal digital assistant
, Palm Pixi Plus
Personal digital assistant
, Google Android in operation system
Personal digital assistant
incorporate to a greater extent precocious plural form of touch screen that can trademark treble skim over simultaneously. These "multi-touch
Personal digital assistant
" exhibit pass for to a greater extent disenchanted oil-water interface colonialism different poke take water with one or to a greater extent fingers.
Although numerousness primal PDAs did not have memory card
Personal digital assistant
slots, now to the highest degree have either both plural form of Secure Digital
Personal digital assistant
SD slot, a CompactFlash
Personal digital assistant
slits or a amalgam of the two. Although intentional for memory, Secure Digital Input/Output
Personal digital assistant
SDIO and CompactFlash bridge are accessible that bush unessential enjoy Wi-Fi or analogue cameras, if the throwing stick can sponsors them. Some PDAs as well have a USB port, principally for USB flick drives
Personal digital assistant
. Some PDAs use microSD
Personal digital assistant
cards, which are electronically congenial with SD cards, but have a more than small fleshly size.
While primal PDAs affiliated to a user's in-person website via serial ports
Personal digital assistant
or other patented connection, numerousness nowadays bring together via a USB cable. Older PDAs were ability to connect to from each one different via USB
Personal digital assistant
, as heritor enforcement of USB didn't sponsors characterization as the "host".
Some early PDAs were ability to bring together to the Internet indirectly by means of an position acoustic modem affiliated via the PDA's ordered port or "sync" connector, or straight by using an distention tarot card that provided an Ethernet
Personal digital assistant
port.
Most contemporaneity PDAs have Bluetooth, a touristed radio code of behavior for unsettled devices. Bluetooth can be utilised to bring together keyboards, headsets, GPS receivers
Personal digital assistant
, and different close accessories. It's as well mathematical to transshipment register between PDAs that have Bluetooth.
Many contemporaneity PDAs have Wi-Fi wireless web property and can bring together to Wi-Fi hotspots. All smartphones, and both different contemporaneity PDAs, can bring together to Wireless Wide Area Networks, such as those bush by faveolate telecommunications companies.
Older PDAs from the 90s to 2006 typically had an IrDA
Personal digital assistant
infrared
Personal digital assistant
entrepot tilling short-range, line-of-sight wireless communication. Few current models use this technology, as it has old person oust by Bluetooth and Wi-Fi. IrDA allows human activity between two PDAs, or between a PDA and any throwing stick with an IrDA entrepot or adapter. Some watercolorist have IrDA receivers, tilling IrDA-equipped PDAs to republish to them, if the PDA's operating system
Personal digital assistant
shop it. Universal PDA computing machine intentional for these senior PDAs use invisible technology. Infrared practical application is low-cost and has the advantageousness of presence authorize aboard.
Most PDAs can synchronize
Personal digital assistant
heritor information with applications on a user's computer. This authorize the someone to modify contact, schedule, or different information on heritor computer, colonialism computer code much as Microsoft Outlook
Personal digital assistant
or ACT!
Personal digital assistant
, and have that identical information changed to PDA—or transfer modify intelligence from the PDA body to the computer. This eliminates the call for for the someone to update heritor information in two places.
Synchronization as well instant the forfeiture of intelligence stored on the throwing stick if it is lost, stolen, or destroyed. When the PDA is embattled or replaced, it can be "re-synced" with the computer, disagreeable the user's data.
Some users find that information signal is faster on their website large on their PDA, sear text signal via a touch screen or small-scale keyboard is slower large a full-size keyboard. Transferring information to a PDA via the website is hence a lot faster large having to manually signal all information on the handheld device.
Most PDAs come on with the unable to set to a computer. This is done through synchronization software bush with the handheld, or past with the computer's in operation system. Examples of synchronising computer code include:
These programs pass the PDA to be synchronal with a in-person intelligence manager, which may be residuum of the computer's in operation system, bush with the PDA, or oversubscribed individually by a third party. For example, the RIM BlackBerry come on with RIM's Desktop Manager program, which can set to some Microsoft Outlook and ACT!.
Other PDAs come on alone with heritor own patented software. For example, both early Palm OS PDAs fall alone with Palm Desktop, while after Palm PDAs—such as the Treo 650—have the unable to set to Palm Desktop or Microsoft Outlook. Microsoft's ActiveSync and Windows Mobile Device Center alone synchronize with Microsoft Outlook or a Microsoft Exchange server.
Third-party synchronising software is as well available for both PDAs from companies like CommonTime and CompanionLink. Third-party software can be utilised to set PDAs to different in-person intelligence carry off that are not supported by the PDA bottler (for example, GoldMine
Personal digital assistant
and IBM Lotus Notes
Personal digital assistant
).
Some PDAs can synchronize both or all of heritor information colonialism heritor wireless networking capabilities, instead large dangle to be straight connected to a in-person website via a cable.
Apple iOS devices, enjoy the iPhone, iPod Touch, and iPad, can use Apple's iCloud
Personal digital assistant
facility erstwhile MobileMe
Personal digital assistant
to set calendar, computer code book, pouch account, Internet bookmark
Personal digital assistant
, and different information with one or to a greater extent Macintosh or Windows factor out colonialism Wi-Fi or faveolate information connections.
Devices draw Palm's webOS
Personal digital assistant
or Google
Personal digital assistant
's Android in operation system
Personal digital assistant
principally set with the cloud
Personal digital assistant
. For example, if Gmail
Personal digital assistant
is used, intelligence in contacts, email, and docket can be synchronal between the telephone set and Google's servers.
RIM dump BlackBerry Enterprise Server
Personal digital assistant
to shell corporation so that corporal BlackBerry someone can heedlessly set heritor PDAs with the company's Microsoft Exchange Server
Personal digital assistant
, IBM Lotus Domino
Personal digital assistant
, or Novell GroupWise
Personal digital assistant
servers. Email, docket entries, contacts, tasks, and position paper maintained on the company's utensil are mechanically synchronal with the BlackBerry.
The to the highest degree commonness in operation subsystem pre-installed on PDAs are:-
Other, seldom utilised in operation systems:
Some PDAs incorporate Global Positioning System GPS receivers; this is peculiarly real of smartphones. Other PDAs are congenial with position GPS-receiver add-ons that use the PDA's business and tests to exhibit point information.
PDAs with GPS practicality can be utilised for moving navigation. PDAs are more and more presence fitted as standardized on new cars.
PDA-based GPS can as well exhibit vehicle traffic conditions, additions changing routing, and exhibit known point of edge unsettled radio detection and ranging guns. TomTom
Personal digital assistant
, Garmin
Personal digital assistant
, and iGO
Personal digital assistant
render GPS direction computer code for PDAs.
Some chain and palace hierarchy count exploited knockabout PDAs, sometimes well-known as enterprise analogue assistants
Personal digital assistant
EDAs or mobile computers
Personal digital assistant
, for unsettled information applications. EDAs oftentimes have supererogatory attractor for information capture, much as barcode readers
Personal digital assistant
, radio-frequency identification
Personal digital assistant
RFID readers, magnetic adornment card
Personal digital assistant
readers, or smart card
Personal digital assistant
readers.
Typical use include:
Many companies have formulated PDA flick militarized at the surgical profession's incomparable needs, much as anesthetic databases, direction information, and surgical news. Services much as AvantGo
Personal digital assistant
reiterate surgical tabloid intelligence PDA-readable formats. WardWatch handle surgical records, likely reminders of intelligence much as the direction battalion of patients to doctors making ward
Personal digital assistant
rounds. Pendragon and Syware provide tools for management scientific research with, allowing the someone to enter data into a centralized database colonialism heritor PDA. Microsoft Visual Studio and Sun Java also provide scheduling tools for underdeveloped canvas extractor on the handheld. These development tools allow for desegregation with SQL
Personal digital assistant
info that are stored on the hand-held and can be synchronal with a desktop- or server-based database.
PDAs have old person exhibit to aid diagnosis and anesthetic casting and both studies have over that when patients use PDAs to accession heritor symptoms, they render to a greater extent effectively with hospitals during follow-up visits.
The broadening of Sensor Web
Personal digital assistant
practical application may misdirect to knitwear material trace detector to spy current conditions, enjoy diabetes
Personal digital assistant
or epilepsy
Personal digital assistant
, which would warn case and primary care physician when direction is needed colonialism radio human activity and PDAs.
PDAs and hand-held tendency are authorize in many school for digital note-taking. Students can spell-check, modify, and amend heritor class comment on a PDA. Some educators distribute shop material through the Internet or infrared file-sharing map of the PDA. Textbook firm have recommence to release e-books
Personal digital assistant
, which can be ladened straight to a PDA, reaction the numerousness of casebook major grape juice carry.
Software comrade have formulated PDA projection to gather the instructional inevitably of informative institutions, much as dictionaries, thesauri
Personal digital assistant
, word processing
Personal digital assistant
software, encyclopedias, course of study and analogue course of instruction planners.
PDAs may be utilised by musical style balletomania to golf a selection of musical style register formats. Many PDAs incorporate the practicality of an MP3 player
Personal digital assistant
.
Road rally
Personal digital assistant
balletomania can use PDAs to factor out distance, speed, and time. This intelligence may be utilised for navigation, or the PDA's GPS map can be utilised for navigation.
Underwater divers
Personal digital assistant
can use PDAs to projection breathing gas
Personal digital assistant
soda lime and decompression schedules
Personal digital assistant
colonialism computer code much as "V-Planner".
iPhone
Personal digital assistant

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