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How the Nested Macro calls are expanded
LIFO (Last in First out)
Define ‘LRU’ page replacement policy LRU is Least Recently Used page replacement policy.
VARIABLE PARTITIONING We can differ the partitions and change the location according to the size of the process. 50k 40k
A set of methods that allow executing a program which is not completely in memory is called A set of methods that allow executing a program which is not completely in memory
Q. Describe the concept of transaction atomicity? Answer: A transaction is a sequence of read as well as writes operations upon some data followed by a commit operation. If the
explain the link between operations management and strategic planning of daily goods shop
how copy on write on pages when many process works at a same time?
Unix process API The two most important function calls to use when programming with several processes are fork and exec: fork() creates a copy of current process. It gives
how do semaphores help us in eliminating deadlock conditions?
1. On every access, mark the page with a timestamp. Whenever we need to evict a page, we search through memory for the oldest page, the least-recently used page. But we need memory
What are the disadvantages of swapping technique used in pre-3BSD UNIX systems? If there is excessively much memory contention, processes are swapped out until sufficient
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