Recent questions tagged process

2 2 votes
1 1 answer
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Which of the following actions by a running process will always result in a context switch of the running process, even in a non-preemptive kernel design?(a) Servicing a ...
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Once the process is allocated CPU and executing which of the following events could not occur?The process could issue an I/O request and then be placed in the Ready Queue...
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285 views
Consider the following set of processes with the arrival time and length of CPU Burst time given in milli-seconds ($\mathrm{ms}$):$\begin{array}{|c|c|c|} \hline \textbf{P...
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1 1 answer
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Which of the following statements are TRUE about Process Control Block (PCB)?The PCB contains information about the process state, such as whether it is running, waiting ...
0 0 votes
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210 views
Given as $4 \mathrm{~GB}\left(\approx 4.3 \times 10^{9}\right.$ bytes $)$ of virtual space and typical page size of $4$ KB and each page table entry is $5$ bytes. How man...
1 1 vote
2 2 answers
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695 views
How to draw the tree diagram for these types of questions fork() calls ?1.main() { if( fork() ) { if(!fork()) { fork(); printf(" 1 "); } else { fork(); printf(" 2 "); } }...
8 8 votes
1 1 answer
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Consider the context switch of a CPU from the context of process P1 to that of process P2.Consider the following two events in the chronological order of the events durin...
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350
350 views
A process can receive two kinds of signals classified based on the source and reason.Synchronous are the one that are generated by illegal memory access or division by ze...
0 0 votes
1 1 answer
682
682 views
Consider the following statements:S1: LRU page replacement algorithm suffers from the belady's anomalyS2: Shortest remaining time first scheduling may cause starvationsS3...
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2 2 answers
706
706 views
Given below are two statements: one is labelled as Assertion $\text{A}$ and the other is labelled as Reason $\text{R}$.Assertion $\text{A}$: A process involves a library ...
1 1 vote
2 2 answers
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In Linux Operating System, when ___________is invoked, it is passed a set of flags that determine how much sharing is to take place between the parent and child tasks.for...
0 0 votes
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658 views
The main function of the microkernel is to provide a communication facility between the program and the various that are also running in user space.Virtual, ProcessesSyst...