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A system has a main memory of 6 4 bytes, and its contents are described in the table below. Note that a value at column
A system has a main memory of bytes, and its contents are described in the table below. Note that a value at column named by addr is an index, and a value at column named by val is memory content.
Assume the following:
This system uses a paging system with a singlelevel page table.
The page size is bytes, and so is the frame size.
A virtual address is bits. The high bits is the page number, and the low bits is the offset.
The page table fits in a single frame, and it is located at the first frame of the main memory.
An index of the page table indicates the page number. For example, the first entry of the page table is the entry for page number
Each page table entry is byte. In each entry the lowest order bits indicate the frame number. The next higher bit is set to if the page is currently in the memory, and is if the page is not in the memory.
The page number and frame number start from
Suppose the user accesses virtual memory addresses xDxxxCx Write the value stored in the physical memory address if the frame is in memory, or write page fault if the frame is not in memory.
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