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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.
If () can be accepted by a PDA it is a context free language and if it can be accepted by a DPDA it is a deterministic context-free language (DCFL). Not all context-free languages are deterministic. This makes the DPDA a strictly weaker device than the PDA.
The XDA Flame is the first dual processor PDA-phone announced by O2 in late 2006 and contains enhanced screen graphics, movie playback, photo viewing, and gaming performance. 3.6" VGA touch screen; Intel Xscale(R) PXA 270 processor at 520 MHz. 2.0 Mega Pixel camera with Auto-Focus; NVIDIA(R) GoForce(R) 5500 GPU; Wireless LAN 802.11b/g
“‘Oh, they’re falling apart. They hate each other. They’re getting divorced.’ It’s like people don’t want to believe that we’re happy. I used to try to act like it hurts less and less.
"PDA", a song by Audio Adrenaline from Audio Adrenaline "P.D.A. (We Just Don't Care)", a song by John Legend; Organizations. Parenteral Drug Association, a global ...
You’ve seen them—and their hands—everywhere: Kourtney Kardashian and Travis Barker (aka ‘Kravis’). From watching the couple fondle each other at family get-togethers to tongue-touching ...
Palm, Inc., was an American company that specialized in manufacturing personal digital assistants (PDAs) and developing software. Palm designed the PalmPilot, [1] the first PDA successfully marketed worldwide, and was known for the Treo 600, one of the earlier successful smartphones.