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Question 1:
a) Briefly explain each of the following terms: (i) Distributed systems. (ii) Real time systems. (iii) Multiprocessor.
b) What is the importance of "Process Management"? Discuss.
c) State the different "Operating System Services".
Question 2:
a) Define what a process is. Give explanations of the different states of a process, using a diagram. b) Explain the different multithreading models.
c) Give a brief description of "First-Come-First-Serve" Scheduling.
Q. Several CPU-scheduling algorithms are parameterized for instance the RR algorithm requires a parameter to indicate the time slice. Multilevel response queues require parameters
Q. How Program execute in operating system? Program execution: Operating system loads a program in memory and executes the program. The program should be able to end its exec
SSTF stands for Abbreviation of SSTF is Shortest-Seek-time-first scheduling
what is the use of valid invalid bits in paging
Garbage collectors trade space for time. If we collect all the time (which requires a lot of processing time), the GC allocator will use the least memory possible. On the other han
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
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Second chance Algorithm When the page is chosen the reference bit is checked to see whether it has been referenced before. If that is the case after that it is given a second c
In which page replacement policy Balady’s anomaly occurs? FIFO (First in First Out)
Now, let us discuss two related algorithms for deciding which pages to evict. The clock algorithm is one of the most popular choices. It works by keeping frames in a circular struc
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