B.E/B.TECH DEGREE EXAMINATION MAY/JUNE 2009
Electonics And Instrumentation Engineering
Computer Networks And Distributed Control Systems
Part A (10*2=20marks)
1.why are the data link protocols necessary?
2.what is the difference between poll and selection?
3.define line contention and collision?
4.what are the advantages of an open system environment?
5.what is Dcs?
6.what are the advantages of DCS over centralized computer control of process?
7.what is network interface controller?
8.what are the components in anetwork adapter card?
9.what are the advantages of using field bus than using 4-20mA current signal?
10.what is field Bus?
PART-B-(5*16=80 marks)
11.a.awhat is BISYNC handshake message?Briefly explain the sequence of characters in the handshaking message.
(or)
b.Compare the number of ststions that can be used with HDLC and with SDLC.What is the effect of sending an unnumbered set initialization mode command?Explain with suitable example.
12.a.Briefly describe the main three network topologies.
(or)
b.Write short notes on:
i.ETHERNET
ii.ARCNET
13.a.Explain the basic components of any typical DCS.
(or)
b.Explain in detail the redundancy concepts in DCS
14.a.Explain in detail the function of DCS field control units in power plants.
(or)
b.What are the importance of DCS in iron and Steel Plant?Explain in Detail.
15.a.Mention the types of field bus communication buses and explain any one type with structure.
(or)
b. Write short Notes on:
i.HART Protocol
ii.PROFIBUS
KEYWORDS:COMPUTER NETWORKS AND DISTRIBUTED CONTROL SYSTEMS,ELECTONICS AND INSTRUMENTATION ENGINEERING,2009 ANNA UNIVERSITY CHENNAI B.E ELECTRONICS AND INSTRUMENTATION ENGINEERING COMPUTER NETWORKS AND DISTRIBUTED CONTROL SYSTEMS QUESTION PAPER,ANNA UNIVERSITY QUESTION PAPER,ANNA UNIVERSITY,ANNA UNIVERSITY CHENNAI,ANNA UNIVERSITY COIMBATORE,ANNA UNIVERSITY TRICHY,ANNA UNIVERSITY TIRUNELVELI,ANNA UNIVERSITY MADURAI,ANNA UNIVERSITY SYLLABUS,ANNA-UNIVERSITY RESULTS,ANNA UNIVERSITY DISTANCE EDUCATION,ANNA UNIVERSITY MBA-CENTRE FOR DISTANCE EDUCATION,ANNA UNIVERSITY SCHEDULE OF EXAMINATIONS,ANNA UNIVERSITY ADMISSION,ANNA UNIVERSITY COURSES,ANNA UNIVERSITY ACADEMIC,ANNA UNIVERSITY DEPARTMENTS,ANNA UNIVERSITY RESEARCH,ANNA UNIVERSITY MAIL,ANNA UNIVERSITY QUESTION PAPERS,ANNA UNIVERSITY COUNSELLING DATES,ANNA UNIVERSITY RE-EVALUATION RESULTS
Electonics And Instrumentation Engineering
Computer Networks And Distributed Control Systems
Part A (10*2=20marks)
1.why are the data link protocols necessary?
2.what is the difference between poll and selection?
3.define line contention and collision?
4.what are the advantages of an open system environment?
5.what is Dcs?
6.what are the advantages of DCS over centralized computer control of process?
7.what is network interface controller?
8.what are the components in anetwork adapter card?
9.what are the advantages of using field bus than using 4-20mA current signal?
10.what is field Bus?
PART-B-(5*16=80 marks)
11.a.awhat is BISYNC handshake message?Briefly explain the sequence of characters in the handshaking message.
(or)
b.Compare the number of ststions that can be used with HDLC and with SDLC.What is the effect of sending an unnumbered set initialization mode command?Explain with suitable example.
12.a.Briefly describe the main three network topologies.
(or)
b.Write short notes on:
i.ETHERNET
ii.ARCNET
13.a.Explain the basic components of any typical DCS.
(or)
b.Explain in detail the redundancy concepts in DCS
14.a.Explain in detail the function of DCS field control units in power plants.
(or)
b.What are the importance of DCS in iron and Steel Plant?Explain in Detail.
15.a.Mention the types of field bus communication buses and explain any one type with structure.
(or)
b. Write short Notes on:
i.HART Protocol
ii.PROFIBUS
KEYWORDS:COMPUTER NETWORKS AND DISTRIBUTED CONTROL SYSTEMS,ELECTONICS AND INSTRUMENTATION ENGINEERING,2009 ANNA UNIVERSITY CHENNAI B.E ELECTRONICS AND INSTRUMENTATION ENGINEERING COMPUTER NETWORKS AND DISTRIBUTED CONTROL SYSTEMS QUESTION PAPER,ANNA UNIVERSITY QUESTION PAPER,ANNA UNIVERSITY,ANNA UNIVERSITY CHENNAI,ANNA UNIVERSITY COIMBATORE,ANNA UNIVERSITY TRICHY,ANNA UNIVERSITY TIRUNELVELI,ANNA UNIVERSITY MADURAI,ANNA UNIVERSITY SYLLABUS,ANNA-UNIVERSITY RESULTS,ANNA UNIVERSITY DISTANCE EDUCATION,ANNA UNIVERSITY MBA-CENTRE FOR DISTANCE EDUCATION,ANNA UNIVERSITY SCHEDULE OF EXAMINATIONS,ANNA UNIVERSITY ADMISSION,ANNA UNIVERSITY COURSES,ANNA UNIVERSITY ACADEMIC,ANNA UNIVERSITY DEPARTMENTS,ANNA UNIVERSITY RESEARCH,ANNA UNIVERSITY MAIL,ANNA UNIVERSITY QUESTION PAPERS,ANNA UNIVERSITY COUNSELLING DATES,ANNA UNIVERSITY RE-EVALUATION RESULTS