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How Virtual memory is implemented
Virtual memory can be implemented along with Segmentation and Paging
Q. In following Section we mentioned that disabling interrupts frequently could affect the system's clock. Describe why it could and how such effects could be minimized.
What is page fault and what are the steps taken by the OS to remove page fault? A page fault is caused while a page that hasn't been brought into memory is being addressed. The
Which are the different states of a process? Different status of a process is: New: When the process is created. Running: When instructions are executed. Wait
Producer-Consumer Problem Using Semaphores The Solution to producer-consumer problem use three semaphores namely- full, empty and mutex. The semaphore 'full' is utilized for
Define Virtual memory Virtual memory is employed in all major commercial operating systems
Some CPUs provide for more than two modes of operation. What are two possible uses of these multiple modes?
Concept of Reentrancy It is a useful, memory-saving method for multiprogrammed timesharing machines. A Reentrant method is one in which multiple clients can share a singl
Difference between cache and associate memory
What is named pipes?
What is the main advantage of multiprogramming? Multiprogramming makes efficient use of the CPU by overlapping the demands for the CPU and its I/O devices from various users. I
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