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Recent questions tagged process-and-threads

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33
Andrew S. Tanenbaum (OS) Edition 4 Exercise 2 Question 46 (Page No. 178)
A process running on $CTSS$ needs $30$ quanta to complete. How many times must it be swapped in, including the very first time (before it has run at all)?
A process running on $CTSS$ needs $30$ quanta to complete. How many times must it be swapped in, including the very first time (before it has run at all)?
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1 answer
38
Andrew S. Tanenbaum (OS) Edition 4 Exercise 2 Question 41 (Page No. 177)
Can a measure of whether a process is likely to be CPU bound or I/O bound be determined by analyzing source code? How can this be determined at run time?
Can a measure of whether a process is likely to be CPU bound or I/O bound be determined by analyzing source code? How can this be determined at run time?
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40
Andrew S. Tanenbaum (OS) Edition 4 Exercise 2 Question 39 (Page No. 177)
Consider the following piece of C code: void main( ) { fork( ); fork( ); exit( ); } How many child processes are created upon execution of this program?
Consider the following piece of C code: void main( ) { fork( ); fork( ); exit( ); }How many child processes are created upon execution of this program?
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47
Andrew S. Tanenbaum (OS) Edition 4 Exercise 2 Question 32 (Page No. 176)
Show how counting semaphores (i.e., semaphores that can hold an arbitrary value) can be implemented using only binary semaphores and ordinary machine instructions.
Show how counting semaphores (i.e., semaphores that can hold an arbitrary value) can be implemented using only binary semaphores and ordinary machine instructions.
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52
Andrew S. Tanenbaum (OS) Edition 4 Exercise 2 Question 27 (Page No. 175)
In a system with threads, is there one stack per thread or one stack per process when user-level threads are used? What about when kernel-level threads are used? Explain.
In a system with threads, is there one stack per thread or one stack per process when user-level threads are used? What about when kernel-level threads are used? Explain....
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55
Andrew S. Tanenbaum (OS) Edition 4 Exercise 2 Question 24 (Page No. 175)
Does Peterson’s solution to the mutual-exclusion problem shown in Fig. $2-24$ work when process scheduling is preemptive? How about when it is nonpreemptive?
Does Peterson’s solution to the mutual-exclusion problem shown in Fig. $2-24$ work when process scheduling is preemptive? How about when it is nonpreemptive?
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56
Andrew S. Tanenbaum (OS) Edition 4 Exercise 2 Question 23 (Page No. 175)
Does the busy waiting solution using the turn variable (Fig. $2-23$) work when the two processes are running on a shared-memory multiprocessor, that is, two CPUs sharing a common memory?
Does the busy waiting solution using the turn variable (Fig. $2-23$) work when the two processes are running on a shared-memory multiprocessor, that is, two CPUs sharing ...
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