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System Administrator 2026

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Each entry in a segment table has a ____________

A. Segment base
B. Segment peak
C. Segment value
D. None of the mentioned

The segment base contains the ____________

A. Starting logical address of the process
B. Starting physical address of the segment in memory
C. Segment length
D. None of the mentioned

The segment limit contains the ____________

A. Starting logical address of the process
B. Starting physical address of the segment in memory
C. Segment length
D. None of the mentioned

The offset ‘d’ of the logical address must be ____________

A. Greater than segment limit
B. Between 0 and segment limit
C. Between 0 and the segment number
D. Greater than the segment number

If the offset is legal ____________

A. It is used as a physical memory address itself
B. It is subtracted from the segment base to produce the physical memory address
C. It is added to the segment base to produce the physical memory address
D. None of the mentioned

When the entries in the segment tables of two different processes point to the same physical location ____________

A. The segments are invalid
B. The processes get blocked
C. Segments are shared
D. All of the mentioned

The protection bit is 0/1 based on ____________

A. Write only
B. Read only
C. Read ? write
D. None of the mentioned

If there are 32 segments, each of size 1Kb, then the logical address should have ____________

A. 13 bits
B. 14 bits
C. 15 bits
D. 16 bits

Consider a computer with 8 Mbytes of main memory and a 128K cache. The cache block size is 4 K. It uses a direct mapping scheme for cache management. How many different main memory blocks can map onto a given physical cache block?

A. 2048
B. 256
C. 64
D. 8

A multilevel page table is preferred in comparison to a single level page table for translating virtual address to physical address because ____________

A. It reduces the memory access time to read or write a memory location
B. It helps to reduce the size of page table needed to implement the virtual address space of a process
C. It is required by the translation lookaside buffer
D. It helps to reduce the number of page faults in page replacement algorithms

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