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Which of the processor’s stack does not contain the top-down data structure?
- a)8086
- b)80286
- c)8051
- d)80386
Correct answer is option 'C'. Can you explain this answer?
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Which of the processor’s stack does not contain the top-down dat...
The 8051 stack is not a top-down data structure, like other Intel processors.
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Which of the processor’s stack does not contain the top-down dat...
Understanding Stack Structures in Processors
In computer architecture, the stack is crucial for managing function calls and local variables. Different processors implement stacks in various ways. The question revolves around identifying which processor does not employ a top-down stack structure.
Key Characteristics of Processors
- 8086: This processor uses a top-down stack, where the stack grows downward in memory. It is a widely recognized architecture for its segmented memory model.
- 80286: Similar to the 8086, the 80286 also uses a top-down stack. It improved on the 8086 by providing better memory management and protection.
- 80386: This processor continues to use a top-down stack structure, enhancing capabilities with virtual memory and multitasking.
- 8051: Unlike the other processors listed, the 8051 microcontroller uses a bottom-up stack structure. This means that the stack grows upward in memory, starting from a low address and moving to higher addresses.
Conclusion
The correct answer is option 'C' (8051) because it employs a bottom-up stack structure, distinguishing it from the other processors which utilize a top-down stack.
Understanding this difference is vital for programming and system design within various architectures, influencing how local variables and function calls are handled in software development.
In computer architecture, the stack is crucial for managing function calls and local variables. Different processors implement stacks in various ways. The question revolves around identifying which processor does not employ a top-down stack structure.
Key Characteristics of Processors
- 8086: This processor uses a top-down stack, where the stack grows downward in memory. It is a widely recognized architecture for its segmented memory model.
- 80286: Similar to the 8086, the 80286 also uses a top-down stack. It improved on the 8086 by providing better memory management and protection.
- 80386: This processor continues to use a top-down stack structure, enhancing capabilities with virtual memory and multitasking.
- 8051: Unlike the other processors listed, the 8051 microcontroller uses a bottom-up stack structure. This means that the stack grows upward in memory, starting from a low address and moving to higher addresses.
Conclusion
The correct answer is option 'C' (8051) because it employs a bottom-up stack structure, distinguishing it from the other processors which utilize a top-down stack.
Understanding this difference is vital for programming and system design within various architectures, influencing how local variables and function calls are handled in software development.
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Which of the processor’s stack does not contain the top-down data structure?a)8086b)80286c)8051d)80386Correct answer is option 'C'. Can you explain this answer?
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