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Question: Introduction to Operating Systems
a) Define the term ‘Operating System' and identify main functions of an operating system.
b) What are the characteristics of a good operating system?
c) What do you understand by the ‘kernel of an operating system'?
d) Define a ‘system call' and‘interrupt'. Give examples of each.
e) Identify main storage structures and give a small description of each.
f) What do you meant by the term multitasking?
Q. Segmentation is alike to paging but uses variable-sized "pages". Describe two segment-replacement algorithms based on FIFO and LRU page replacement schemes. Remember that since
Gopher Gallery consists of a shopping mall and a cart ride that covers the 150 acre habitat. There are m visitors and n single-person vehicles. Visitors stroll around the mall at
Regard as a computer system that runs 5000 jobs per month with no deadlock-prevention or deadlock-avoidance scheme. Deadlocks take place about twice per month and the operator must
(a) Describe services of operating systems. (b) Differentiate among the short term, medium term and long term scheduling that are given by multi-tasking operating systems.
Explain the various page replacement strategies. Page replacement-basic scheme with diagram Optimal page replacement LRU page replacement FIFO page replacement LRU
Discuss the risks of having a single root user
A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper i
what are the main advantages of multiprogramming
how does it works
#question.explain varios types of system calls..
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