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Define Ageing
Ageing is a method of enhancing the priority of process waiting in Queue for CPU allocation
explain dynamic patrician stratagies
Q. Consider a file at present consisting of 100 blocks. Presume that the file control block (and the index block in the case of indexed allocation) is already in memory. Compute h
Q. Name two differences between logical and physical addresses? Answer: A logical address doesn't refer to an actual existing address rather it refers to an abstract address in
VARIABLE PARTITIONING We can differ the partitions and change the location according to the size of the process. 50k 40k
What is an I/O subsystem? The control of devices connected to the computer is a main issue while designing operating systems. Because I/O deices differ widely in their function
How do we keep track of where the free pieces of memory are? One idea is to maintain a set of linked-lists of free space; each linked-list will store free chunks of some given size
discuss unsafe state in operating system
How is a process chosen for being swapped either in or out? Swap out: a. If the process is idle. b. If process has been in main memory for a long time.
The principle is that of ordinary addition; however remember the highest number is 1. Calculate the following: 11001 + 11
Q. The Sun Ultra SPARC processor has numerous register sets that describe the actions of a context switch if the new context is previously loaded into one of the register sets. Wha
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