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How is expanded memory accessed in 80286?
- a)Paging
- b)Interleaving
- c)RAM
- d)External storage
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
How is expanded memory accessed in 80286?a)Pagingb)Interleavingc)RAMd)...
Explanation: The 80286 processor can access beyond 1MB by paging and special hardware to stimulate the missing address lines. This is called expanded memory.
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How is expanded memory accessed in 80286?a)Pagingb)Interleavingc)RAMd)...
Accessing Expanded Memory in 80286
Accessing expanded memory in 80286 is typically done through Paging.
Paging
- Paging is a memory management scheme in which the computer's operating system retrieves data from secondary storage in blocks called pages.
- In the case of the 80286 processor, paging is used to access extended memory beyond the 1 MB limit of conventional memory.
- The processor uses the A20 gate to enable access to memory above the 1 MB limit, allowing paging to access expanded memory.
- The paging mechanism allows the processor to map virtual memory addresses to physical memory addresses, enabling the use of expanded memory in a controlled and efficient manner.
In conclusion, accessing expanded memory in 80286 involves the use of paging, a memory management scheme that allows the processor to access memory beyond the traditional 1 MB limit.
Accessing expanded memory in 80286 is typically done through Paging.
Paging
- Paging is a memory management scheme in which the computer's operating system retrieves data from secondary storage in blocks called pages.
- In the case of the 80286 processor, paging is used to access extended memory beyond the 1 MB limit of conventional memory.
- The processor uses the A20 gate to enable access to memory above the 1 MB limit, allowing paging to access expanded memory.
- The paging mechanism allows the processor to map virtual memory addresses to physical memory addresses, enabling the use of expanded memory in a controlled and efficient manner.
In conclusion, accessing expanded memory in 80286 involves the use of paging, a memory management scheme that allows the processor to access memory beyond the traditional 1 MB limit.
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How is expanded memory accessed in 80286?a)Pagingb)Interleavingc)RAMd)External storageCorrect answer is option 'A'. Can you explain this answer?
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