Consider a memory-management system based on segmentation. Let the logical addre
ID: 3793600 • Letter: C
Question
Consider a memory-management system based on segmentation. Let the logical address space of each process contain up to four segments with the maximum length of a segment limited to 4MB.
Let the following table indicate the segment layout for a process in the system (note that hexadecimal representation is used for addresses, for example 0x5c2bb62e refers to 0101 1100 0010 1011 1011 0110 0010 1110):
Translate the following four logical address based on the above segment table: 0x62ad36, 0xc96a3d, 0x12a3d5 and 0x9a24c5. With respect to this address translation, identify the TRUE statement from among the following?
Consider a memory-management system based on segmentation. Let the logical address space of each process contain up to four segments with the maximum length of a segment limited to 4MB.
Let the following table indicate the segment layout for a process in the system (note that hexadecimal representation is used for addresses, for example 0x5c2bb62e refers to 0101 1100 0010 1011 1011 0110 0010 1110):
Segment Length Base Address 1MB 0xab465d9c 3MB 0x5c2bb62e 2MB 0xac2e2bb6 512KB 0x2eb62b5cTranslate the following four logical address based on the above segment table: 0x62ad36, 0xc96a3d, 0x12a3d5 and 0x9a24c5. With respect to this address translation, identify the TRUE statement from among the following?
Explanation / Answer
Answer:
Correct Answer is Option d i.e Logical address 0x12a3d5 translates to physical address 0x5c3e5a03.
Explanation:
Address translation by paging is similar to segmentation. A virtual address is comprised of a page number and an offset. Page tables are used to translate the page number into a page frame number; that is, the physical location of the page in main memory. The main difference between pages and segments is that whereas segments have varying length determined by the structure of the user program, pages have a uniform length determined by the hardware architecture
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