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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.
Question 1: a) Distinguish between "Long-Term Scheduler" and "Short-Term Scheduler". b) Describe the benefits of "Threads". c) Name three types of CPU Scheduling. Que
Internal file structure All disk I/O is performed in units of single block, and all blocks are the similar size. It is unlikely that the physical record size will exactly match
Write in brief on UNIX file structure. UNIX considers every file to be a sequence of 8-bit bytes no interpretation of these bits is made by the operating system. This system pr
List ways to share files among directories in operating systems. a. Copy file from one account into another. b. Link directory entry of "copied" file to directory entry of o
Multiprocessing - An Operating System proficient of utilizing and supporting more than one computer processor. Below are some instances of multiprocessing Operating Systems. Li
What are conditions under which a deadlock situation may arise? A deadlock situation can arise if the following four conditions hold simultaneously in a system: a. Mutual ex
Q. Describe the purpose of the open() and close() operations. Answer: The open() operation notifies the system that the named file is about to become active. The c
Q. What are the tradeoffs concerned in rereading code pages from the file system versus using swap space to store them? Answer: If codes pages are accumulate in swap space th
Question: A set of processes are in a deadlock state when every process in the set is waiting for an event that can be caused by only another process in the set. (a) There
Describe Three major roles of operating systems in business computer systems
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