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What are the three main activities of an operating system in regard to memory management?
Keep track of which parts of memory are now being used and by whom.
Decide which processes are to be loaded into memory when memory space becomes available.
Allocate and deallocate memory space as required.
Q. Explain some of the ways an application can use memory via the Win32 API. Answer: (1) Virtual memory offers several functions that allow an application to reserve and rele
SSTF (Shortest Seek Time First) After a demand go to the closest request in the work queue regardless of direction Decrease total seek time compared to FCFS Disadv
How can an index file be used to speed up the access in direct-access files? Have an index in memory; the index gives the key and the disk location of its corresponding record.
What is page fault? In the computer storage technology a page fault is an exception which is raised by the memory management unit when a requested page isn't mapped in physical
What is ERD? Entity Relationship Diagram is the graphical representation of the object relationship pair. It is mostly used in database applications.
what is multiprogramming
wat are the commands used for creating the file hierarchy
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Define thread cancellation & target thread. The thread cancellation is the task of terminating a thread before it has completed. A thread that is to be cancelled is often refer
What are the five major activities of an operating system in regard to process management? The creation and deletion of both user and system processes The suspension and res
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