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What is critical section problem?
Consider a system consists of 'n' processes. Every process has segment of code called a critical section, in which the process might be changing common variables, updating a table, writing a file. When one process is implementing in its critical section, no other process can allowed implementing in its critical section.
LOOK o Like SCAN except stops moving inwards (or outwards) when no more requests in that direction exist. C-SCAN (circular scan) o Moves inwards servicing requests u
We are faced with three major components of the page-fault service time. 1. Service the page-fault interrupts. 2. Read in the page. 3. Restart the processes.
#question After working for 30 years, Ramjee Somjee Dutt opted for VRS and started a courier company and did very well in the first four years. He was now looking for expansion of
Explain Deadlock Prevention-Resource allocation graph allocation Resource allocation graph algorithm : Using this algorithm we are able to actually know if there exists in th
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What are the various categories of software? System software Application software Engineering/Scientific software Embedded software Web Applications Artificial I
Q. What is the occupation of the object manager? Answer: Substance present a generic set of kernel mode interfaces to user mode programs. Objects are influenced by the execut
In which page replacement policy Balady’s anomaly occurs? FIFO (First in First Out)
Is disk scheduling, other than FCFS scheduling, useful in a single-user environment? Explain your answer. In a single-user environment, the I/O queue usually is blank. Requests
Gang Scheduling : A set of related process is scheduled to execute on a set of processors at the similar time, on a 1-to-1 basis. Closely related processes or threads may be sched
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