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1. What must a kernel provide for an effective user-level thread implementation?
2. With respect to the quantum q in a scheduling algorithm, explain and discuss the impact of the following on the operating system:
a) q is fixed and identical for all users.
b) q is fixed and unique to each user.
c) q is variable and identical for all users.
d) q is variable and unique to a each user.
3. Arrange the above schemes in question 2 from lowest to highest run-time overhead. Explain your answer.
4. Arrange the above schemes in question 2 from least to most responsive to variations in individual processes and system load. Explain you answer.
Assume there are only 4 page frames in the physical memory, for the following reference string: 1, 2, 3, 4, 5, 3, 4, 1, 6, 7, 8, 7, 8, 9, 7, 8, 9, 5, 4, 5, 4, 2, 8. a) What i
What are batch systems? Early computers were physically huge machines run from a console. The general input devices were card readers and tape drivers. The common output device
Introduction of linux
what is semantics of system call execution?
Problem 1: (a) What are the likely benefits which an organisation may derive from the planning process? (b) Explain the main reasons why an organisation may fail to plan.
Write a note on multithreading. Multithreading is the capability of an operating system to execute different parts of a program called as threads, at the same time. The program
Since most of the programs require a lot of memory allocation/deallocation, we expect the memory management to be fast, to have low fragmentation, make good use of locality, and be
Question 1 Explain (a) tightly coupled systems (b) Loosely coupled system Question 2 Describe the RPC model Question 3 Write a note o
(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 Sleep (ms) Function This call places the current thread in a suspended state for the number of milliseconds passed as the parameter (ms). After that Windows NT wil
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