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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.
Extend task 1 so that the requests are issued by the clients instead of the server. The server now do not use the "all_requests.dat" file. Instead every client thread reads from
What are the use of job queues, ready queues and device queues? As a process enters a system they are put in to a job queue. These queues having of all jobs in the system. The
Let us consider the pining details of the 68HC11 as shown below. Each pin has a defined function, some easy, some complex. A microprocessor designer should understan
The principle is that of ordinary addition; however remember the highest number is 1. Calculate the following: 11001 + 11
Determine the task of the Pass II In a two-pass assembler Synthesize the target program is the task of the Pass II
List disadvantages of using a single directory. Users have no privacy. Users must be careful in choosing file names, to avoid names used by others. Users may destroy each othe
five major activities on file management in operating system.? Explain it.?
Advantages and disadvantages of time-sharing operating system
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Q. a number of systems automatically delete all user files when a user logs off or a job terminates unless the user explicitly requests that they be kept other systems keep all fil
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