pushdown

Speech parts

1. pushdown - Noun

2. pushdown - Adjective

Meaning

pushdown (not comparable)

(computing) Describing a stack in which items are removed in a LIFO manner from the end at which they were added.

pushdown (plural pushdowns)

A pushdown automaton.

Antonyms

Examples

A linear bounded automaton is a device which is more powerful than a pushdown automaton but less so than a Turing machine. Source: Internet

Formally, the set of all context-free languages is identical to the set of languages accepted by pushdown automata (PDA). Source: Internet

Computations a step of the pushdown automaton In order to formalize the semantics of the pushdown automaton a description of the current situation is introduced. Source: Internet

Computations of the pushdown automaton are sequences of steps. Source: Internet

For each single pushdown automaton these two languages need to have no relation: they may be equal but usually this is not the case. Source: Internet

In general pushdown automata are nondeterministic meaning that in a given instantaneous description there may be several possible steps. Source: Internet

Close letter words and terms