Subject
Computer Science
Topic
Computer Hardware
What is a 'stack' in computer architecture?
What is a 'stack' in computer architecture?
a)
A collection of CPU registers.b)
A region of memory that operates in a Last-In, First-Out (LIFO) manner.c)
A hardware queue for I/O requests.d)
The main instruction set of the processor.Explanation
The stack is a crucial data structure used for managing function calls. When a function is called, its local variables and the return address are 'pushed' onto the stack. When the function finishes, this data is 'popped' off the stack. A special register called the Stack Pointer keeps track of the top of the stack.Related questions
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