![]() A stack can refer to software infrastructure only (see software stack) or to the applications the company gives its employees (see application stack). (2) The set of programs used in the computer. This article is provided by FOLDOC - Free Online Dictionary of Computing ( ) stack (1) In a network, a hierarchy of software layers in both clients and servers that are required to communicate with each other. Stacks have been called push-down lists, reversion storages,Ĭellars, dumps, nesting stores, piles, last-in first-out Independently have given other names to these structures: Many people who realised the importance of stacks and queues Splits the list into its head (the popped element) and tailĪt MIT, pdl used to be a more common synonym for stack,Īnd this may still be true. List, push adds a new element to the head of the list and pop Implemented as a linked list where a new stack is an empty In a list-based or functional language, a stack might be Used in the Acorn Risc Machine and possibly elsewhere. Stack pointer points just past the top of stack, where the Stack pointer points at the top of stack) or "empty" (the Implementations of the object and its access details differ.įor example, a stack may be either ascending (top of stack isĪt highest address) or descending. The programming language Forth uses a data stack inĪlthough a stack may be considered an object by users, The use of a stack allows subroutines to be recursive sinceĮach call can have its own calling context, represented by a Purpose register, chosen by the user, as a stack pointer. These allow aĬontiguous area of memory to be set aside for use as a stackĪnd use either a special-purpose register or a general Subroutine" instructions or by auto-increment andĪuto-decrement addressing modes, or both. Level either directly by "jump to subroutine" and "return from This is usually supported at the machine code Of stacks is to store subroutine arguments and returnĪddresses. Most processors include support for stacks in their ![]() Stack or to push an item onto a stack which has no room forįurther items (because of its implementation). Error conditions are raised by attempts to pop an empty The operations on a stack are to create a new stack, to "push"Ī new item onto the top of a stack and to "pop" the top item Storing items which are to be accessed in last-in first-out (See below for synonyms) A data structure for ![]()
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