Madras University (UnOM) 2003 B.E Online and real systems - Question Paper

Time: 3Hrs Max marks: 80
PART – A

ans the subsequent Questions: 10 * two = 20

1. Distinguish ranging from online and real time systems.
2. What do you mean by the terms passive and active?
3. What is the use of pending activation table?
4. Give short notes on: (a) avg. Breakdown Utilization
(b) Guarantee Probability
5. Write 2 cornerstones of Fault-Tolerant Distributed Computer System.
6. Name the primitives that support rate-monotonic scheduling abstraction.
7. What are the main constraints in choosing an IRS (Inconsistency Resolution Sub graph)?
8. What are the various kinds of transactions in a real time database system?
9. Define Slackness?
10. Specify the attributes of Real time transactions.

PART – B

ans ALL the ques. provided below: 5 * 12 = 60

11. (a) Write in detail about the characteristics of a few typical systems. (OR)
(b) explain elaborately about the various kinds of systems.
12. (a) Explain: (i) Interrupts (ii) Communication networks (OR)
(b) provide an account of the following: (i) Terminal subsystem (ii) Disk storage
13. (a) Briefly explain on: (i) Variable length records and multiprogramming
(ii) Statistics generation using sampling and event stream
approaches (OR)
(b) Write in detail about the different applications of message switching system.
14. (a) discuss how an fault in design of data communication and terminal is characterized and controlled? (OR)
(b) discuss the method of designing Medical online database system.
15. (a) discuss the overlap of CPU and I/O with respect to application programs.(OR)
(b) Write in detail about the concepts of file organization.

Earning:   Approval pending.