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Explain the difference between internal and external fragmentation.
Internal Fragmentation is the area in a region or a page that is not used by the job occupying that region or page. This space is unavailable for use by the system until that job is finished and the page or region is released.
example of first fit best fit and worst fit
What do you mean by semaphore? Semaphore : A synchronization variable that acquires on positive integer values. Invented by the Dijkstra P (semaphore): an atomic proce
about error detection in operating system and how does it take place?
Before proceeding with its execution, every process must obtain all the resources it needs is called Hold and wait
FCFS (First Come, First Served) Perform operations in order requested No reordering of work queue No starvation every demand is serviced Poor performance
Define a state which is not a fundamental process state Answer: Blocked state is not a fundamental process state
What are the various scheduling criteria for CPU scheduling? The various scheduling criteria are CPU utilization
Usually memory is allocated from a large pool of unused memory area called the heap. In C++, dynamic allocation/deallocation must be manually performed using commands like malloc,
Do ratio analysis by comparing the four companies financial statements, analysis and interpretation on the four-basic group : (Refer to attachment A) Liquidity ratio Asset
what is multiprogramming
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