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  2. Pushdown automaton - Wikipedia

    en.wikipedia.org/wiki/Pushdown_automaton

    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.

  3. Personal digital assistant - Wikipedia

    en.wikipedia.org/wiki/Personal_digital_assistant

    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.

  4. Pocket PC - Wikipedia

    en.wikipedia.org/wiki/Pocket_PC

    A Pocket PC (P/PC, PPC) is a class of personal digital assistant (PDA) that runs the Windows Mobile operating system, which is based on Windows CE/Windows Embedded Compact, and that has some of the abilities of modern desktop PCs. The name was introduced by Microsoft in 2000 as a rebranding of the Palm-size PC category and was marketed until 2007.

  5. Motorola Envoy - Wikipedia

    en.wikipedia.org/wiki/Motorola_Envoy

    Personal digital assistants (i.e. PDA's) were electronic handheld organizers that were used in the 1990s to communicate via email, manage calendars, store contact information, and manage files. Examples of PDAs include the Newton MessagePad released by Apple Inc. in 1993 and the Palm Pilot released by Palm Inc. in 1996.

  6. Palm (PDA) - Wikipedia

    en.wikipedia.org/wiki/Palm_(PDA)

    The Palm TX from 2005 An early model—the PalmPilot Personal. Palm is a now discontinued line of personal digital assistants (PDAs) and mobile phones developed by California-based Palm, Inc., originally called Palm Computing, Inc. Palm devices are often remembered as "the first wildly popular handheld computers," responsible for ushering in the smartphone era.

  7. NYT ‘Connections’ Hints and Answers Today, Sunday ... - AOL

    www.aol.com/nyt-connections-hints-answers-today...

    Get ready for all of today's NYT 'Connections’ hints and answers for #602 on Sunday, February 2, 2025. Today's NYT Connections puzzle for Sunday, February 2, 2025 The New York Times

  8. Your complete guide to tariffs: How much you’ll pay, and when

    www.aol.com/finance/everything-know-trump...

    Gas, food and alcohol prices would also rise if Trump imposed Canadian and Mexican tariffs.. Sneaker prices would rise if Trump raised tariffs on China: About 99% of shoes sold in the United ...

  9. Gemini PDA - Wikipedia

    en.wikipedia.org/wiki/Gemini_PDA

    Box and Gemini PDA with Planet Computers' Janko Mrsic-Flogel (CEO, left) and Davide Guidi (CTO, right) The Gemini PDA is a personal digital assistant [1] designed by Planet Computers [2] in association with Martin Riddiford, who formerly worked on the Psion Series 5 in the 1990s, [3] and crowdfunded via Indiegogo in 2017. [4]