Operating System (OS)
Which of the following is the allocation method of a disk space ?

Contiguous allocation
All of the listed here
Indexed allocation
Linked allocation

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Operating System (OS)
The advantage(s) of incorporating the macro processor into pass 1 is(are):

All of these
None of these
many functions do not have to be implemented twice.
more flexibility is available to the programmer in that he may use all the features of the assembler in conjunction with macros.
Functions are combined and it is not necessary to create intermediate files as output from the macros processor and input to the assembler.

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Operating System (OS)
Which of the following statement is true.

Thrashing is a natural consequence of virtual memory systems.
None of these
The LRU algorithm pages out pages that have been used recently
All of these
Seek analysis is used for analysing control-unit busy problems.

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Operating System (OS)
Paging

consists of those addresses that may be generated by a processor during execution of a computation.
allows multiple programs to reside in separate areas of core at the time.
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
is a method of allocating processor time.
None of these

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