Question
Download Solution PDFStack is also known as
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is 'Last In First Out(LIFO)'
Key Points
- Stacks in computing architectures are regions of memory where data is added or removed in a last-in-first-out (LIFO) manner.
- In most modern computer systems, each thread has a reserved region of memory referred to as its stack.
- When a function executes, it may add some of its local state data to the top of the stack; when the function exits it is responsible for removing that data from the stack.
- The stack is often used to store variables of fixed length local to the currently active functions.
- Programmers may further choose to explicitly use the stack to store local data of variable length.
- If a region of memory lies on the thread's stack, that memory is said to have been allocated on the stack, i.e. stack-based memory allocation (SBMA).
- This is contrasted with a heap-based memory allocation (HBMA). The SBMA is often closely coupled with a function call stack.
Additional Information
Following are some of the important applications of a Stack data structure:
- Stacks can be used for expression evaluation.
- Stacks can be used to check parenthesis matching in an expression.
- Stacks can be used for Conversion from one form of expression to another.
- Stacks can be used for Memory Management.Stack data structures are used in backtracking problems.
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