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Question 1:
(a) Describe what is meant by Client-server Computing?
(b) Distinguish between a server process and a client process.
(c) What are the basic characteristics of a client-server architecture?
(d) Distinguish among file servers, transaction servers, database servers and application servers.
Question 2:
(a) Using diagrams, describe the 1-tier, 2-tier, 3-tier and n-tier architectures.
(b) Describe the functions of a middleware. Give two examples of middleware.
Question: (a) The following table (table 1.0) gives the length of the CPU burst time in milliseconds of processes P 1 to P 4 . Assume the processes arrived in the order P 1 ,
Define secondary memory. This memory holds those pages that are not there in main memory. The secondary memory is usually a high speed disk. It is called as the swap device, an
Define busy waiting and spinlock. When a process is in its significant section, any other process that tries to enter its critical section must loop continuously in the entry c
What is banker's algorithm? Banker's algorithm is a deadlock avoidance algorithm that is applicable to a resource-allocation system with multiple examples of each resource type
Q. Consider a file at present consisting of 100 blocks. Presume that the file control block (and the index block in the case of indexed allocation) is already in memory. Compute h
Q. What is the major difficulty that a programmer should overcome in writing an operating system for a real-time environment? Answer: The major difficulty is keeping the oper
Q. Consider a system that holds 5000 users. Presume that you want to allow 4990 of these users to be able to access one file. a. How would you denote this protection scheme in
Paging full question
How Virtual memory is implemented Virtual memory can be implemented along with Segmentation and Paging
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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