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Explain the Fork-join
This is primitives in a higher level programming language for implementing interacting processes. The syntax is like this:
fork ; join ;
where is a label related with some program statement, and is a variable. A statement fork label1 reasons for creation of a new process that begins executing at the statement with the label label1. This process is concurrent along with the process that executed the statement fork label1.A join statement synchronizes the birth of a process along with the termination of one or more processes. Fork-Join offers a functionally entire facility for control synchronization.
Define the properties operating systems: Batch :- Jobs with similar needs are batched together and run through the computer as a group by an operator or automatic job sequenc
FIXED PARTITIONING Using fixed partitioning we are able to allocate the memory Here we are dividing the memory into a few fixed partitions.Every partition may not be of the si
what is data-processing cycle?
Many-to-One Model (Green Threads) Implementations of the many-to-one model a lot of user threads to one kernel thread permit the application to create any number of threads tha
What is preallocation? Why do it? Allocating space for a file before making the file to allow for expansion. This reserves space for a certain file so that other files can't gr
Q. Why would it be an awful idea for gateways to pass broadcast packets between networks? What would be the merite of doing so? Answer: All broadcasts would be spreads to all
Another solution then would be to keep a pool of threads. Whenever a new task arrives, the system would simply get a thread from pool and set that thread to work on the given task.
distinguish between dynamic and fixed partitioning
Explain fixed partitioning. Partitioning are the simpler techniques that don't involve virtual memory. Partitioning has been used in numerous variations in operating systems.
Explain the steps in deadlock recovery. a) Exterminate off all processes involved - drastic. b) Exterminate off one at a time till deadlock gone - select a victim.
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