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Question:
a) Define the term ‘Operating System' and identify two goals of an operating system.
b) What do you understand by Symmetric multiprocessing (SMP) and Asymmetric multiprocessing in parallel systems?
c) What are the characteristics of clustered systems and real-time systems?
d) What are the responsibilities of the operating system for the activities in connections with memory management?
e) Explain the layered approach of Unix operating system.
f) Describe briefly how Dynamic Storage-Allocation Problem is satisfied by a request of size n from a list of free holes using First-fit, Best-fit and Worst-fit.
Q. How does DMA raise system concurrency? How does it make difficult hardware design? Answer: DMA increases system concurrency by allowing the CPU to perform tasks while the
Paging: Only the needed memory pages are moved to main memory from the swap machine for execution. Process size does not matter. Produce the concept of the virtual memory. It
Which are the different states of a process? Different status of a process is: New: When the process is created. Running: When instructions are executed. Wait
What are scheduling queues? Since the processes enter the system they are put into job queue. This queue contains all processes in the system. The processes that are exist in m
summary of what operating system do
Smith, who is a civil engineer, purchased a 30-hectare block of land in Australia in 1986 and used two hectares of it as a main residence. The part that was not main residence cost
BENEFITS OF THREADS OVER PROCESS If implemented correctly after those threads have some advantages of (multi) processes, they take: 1. Less time to create a new thread tha
Q. Compare the utilization of networking sockets with the use of shared memory as a mechanism for communicating data between processes on a single computer. What are the merits of
Explain the Thread Contextual Data Threads in Net Ware carry additional context as well. Per-thread, stacks, errno, Net Ware Errno, t_errno and others are available to the ap
what do you mean by starvation?explain in detail
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