| 1. | PIC processors with more than 256 words of program use paged memory.
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| 2. | The 80386 introduced a flat 32-bit memory model with paged memory management.
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| 3. | Usually, with paged memory management, each job runs in its own address space.
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| 4. | An expansion chassis was released, providing an additional 64 kB of paged memory.
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| 5. | Your description suggests there is way too much paging memory configured.
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| 6. | Later architectures have paged memory access, allowing non-contiguous address spaces.
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| 7. | Hardware extensions allowed access to more memory than the 8086 CPU could address through paging memory.
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| 8. | Bank switching was later supplanted by 16-bit systems, which in turn gave way to paging memory management units.
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| 9. | In addition, the entire working memory must be examined, much of it twice, potentially causing problems in paged memory systems.
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| 10. | However, on the 80386, with its paged memory management unit it is possible to protect individual memory pages against writing.
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