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System Administrator 2026

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A memory buffer used to accommodate a speed differential is called ____________

A. Stack pointer
B. Cache
C. Accumulator
D. Disk buffer

Run time mapping from virtual to physical address is done by ____________

A. Memory management unit
B. Cpu
C. Pci
D. None of the mentioned

Memory management technique in which system stores and retrieves data from secondary storage for use in main memory is called?

A. Fragmentation
B. Paging
C. Mapping
D. None of the mentioned

The address of a page table in memory is pointed by ____________

A. Stack pointer
B. Page table base register
C. Page register
D. Program counter

Program always deals with ____________

A. Logical address
B. Absolute address
C. Physical address
D. Relative address

The page table contains ____________

A. Base address of each page in physical memory
B. Page offset
C. Page size
D. None of the mentioned

What is compaction?

A. A technique for overcoming internal fragmentation
B. A paging technique
C. A technique for overcoming external fragmentation
D. A technique for overcoming fatal error

Operating System maintains the page table for ____________

A. Each process
B. Each thread
C. Each instruction
D. Each address

In internal fragmentation, memory is internal to a partition and ____________

A. Is being used
B. Is not being used
C. Is always used
D. None of the mentioned

A solution to the problem of external fragmentation is ____________

A. Compaction
B. Larger memory space
C. Smaller memory space
D. None of the mentioned

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