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In the theory of computation, a branch of theoretical computer science, a pushdown automaton (PDA) is a type of automaton that employs a stack. Pushdown automata are used in theories about what can be computed by machines.
The Palm TX. A personal digital assistant (PDA) is a multi-purpose mobile device which functions as a personal information manager.Following a boom in the 1990s and 2000s, PDAs were mostly displaced by the widespread adoption of more highly capable smartphones, in particular those based on iOS and Android in the late 2000s, and thus saw a rapid decline.
Parts departing aircraft, mid-air loss of screws, rivets, doors, etc.; Patron-driven acquisition, a mechanism for libraries to purchase books; Personal digital assistant, an early kind of mobile device
Nearly 20 years ago the Apple Newton became the first device to be called a PDA, 14 years ago Nokia provided a newly mobile world with the 9000 Communicator, which was the first phone with PDA ...
The IBM Simon Personal Communicator (simply known as IBM Simon) is a handheld, touchscreen PDA designed by International Business Machines (IBM), and manufactured by Mitsubishi Electric. [6] Although the term " smartphone " was not coined until 1995, because of Simon's features and capabilities, it has been retrospectively referred to as the ...
A Newton PDA Android smartphones. An information appliance (IA) is an appliance that is designed to easily perform a specific electronic function such as playing music, photography, or editing text. [1] [2] Typical examples are smartphones and personal digital assistants (PDAs).
PDA—Personal Digital Assistant; PDF—Portable Document Format; PDH—Plesiochronous Digital Hierarchy; PDP—Programmed Data Processor; PE—Physical Extents; PE—Portable Executable; PERL—Practical Extraction and Reporting Language; PFA—Please Find Attachment; PG—Peripheral Gateway; PGA—Pin Grid Array; PGA—Programmable Gate Array
Personal digital assistant (PDA), a small battery-powered and very pocketable computer for personal organizational or recreational purposes; Enterprise digital assistant (EDA), a small battery-powered and very pocketable computer for business or industrial use; An embodied agent of artificial intelligence