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What do you mean by first fit?
First fit allocates the first hole that is big sufficient .Searching can either start at the starting of the set of holes or where the previous first-fit search ended. Searching can be stopped as soon as a free hole that is big enough is found.
explain dynamic patrician stratagies
How Virtual memory is implemented Virtual memory can be implemented along with Segmentation and Paging
Explain the Fork Function Fork function causes a new process to be created. The calling progress is duplicated as an exact copy (called the child process) that differs only in
what is the use of valid invalid bits in paging
(a) Describe services of operating systems. (b) Differentiate among the short term, medium term and long term scheduling that are given by multi-tasking operating systems.
Q. Define Input - Output operations? Serial lines, Disks, tapes and other devices should be communicated with at a very low level. The user require only specify the device and
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
Define a state which is not a fundamental process state Answer: Blocked state is not a fundamental process state
Define properties of Real time operating system Real time :- Often used in a dedicated application, this system reads information from sensors and must respond within a fixed a
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