Friday, June 22, 2012

OCTOBER / NOVEMBER 2000 COMPUTER NETWORKS (R)


MAHATMA GHANDHI UNIVERSITY (MG)
B.Teeh. DEGREE EXAMINATION,
OCTOBER / NOVEMBER 2000
COMPUTER NETWORKS (R)
(New Scheme - 1997 admissions)
Time: Three Hours                               Maximum 100 Marks
Part A
 Answer all questions.
1. Discuss the bus network topology.
2. Show the important layers of the ISO model in a block diagram.
3. Explain briefly the features of ISDN.
4. Discuss the important transmission media for digital data transfer.
5. Compare analog transmission with digital transmission.
6. Discuss pure ALOHA.
7. Discuss the use of MAC addresses.
8. Explain the features of UDP packets.
9. Discuss the features of transport layer in ISO0 model. arks)
10. What is -virtual terminal ?  (10 x 4 = 40 marks)
Part B
Answer all questions. All questions carry equal marks.
11. (a) Discuss the various network topologies with diagrams. Or
    (b) Explain the various physical media used for computer networking.
12. (a) Discuss the various routing algorithms and the hardware used for the same.    Or
    (b) Explain the problem of congestion and the methods used for overcoming these.
13. (a) Discuss the various ALOHA schemes. Or
    (b) Explain the LAN and AN features.
14. (a) Discuss, the packet switcWhing schemes currently used on the Internet          Or
    (b) Explain the implementation issues of the Physical layer protocol.
15. (a) Discuss the need of Cryptography in data communication. Or
    (b) Discuss the implementation of the electronic x 12 mail.
(5 x 12 = 60 marks)
FOR COMPLETE PRINTED QUESTION PAPER SET CONTACT: 9745451920 Rs:50/-

COMPUTER NETWORKS (R) B.Tech. DEGREE EXAMINATION, APRIL / MAY 2001


MAHATMA GHANDHI UNIVERSITY (MG)
B.Tech. DEGREE EXAMINATION, APRIL /  MAY 2001
Branch: Computer Science Engineering
Seventh Semester, (New Scheme)
COMPUTER NETWORKS (R)
Time : Three Hours                                          Maximum : 100 Marks

Part A
Answer all questions.
1. Discuss the star network toology.    the IS
2. Discuss the functioning of the Physical Layer thO model
3. Discuss what is meant by routing table.
4. Discuss datagram concept a applied to network layer.
5. Discuss the nature of IP packets and their headers.
7. Explain connectionless protocol with a typical example.
8. Explain the FTP service.
9. Discuss the implementation of access management as applied to the presentation layer.
10. Explain the sliding window protocol.         (10 x 4 = 40 marks)
Part B
Answer all questions.
All questions carry equal marks.
11. (a) With a neat block diagram, explain briefly the ISO Jaye model.
Or
   (b) Compare analog transmission and digital transmission with special reference to ISDN.
12. (a) Discuss the concept of a data packets and their formats tis used in computer networks.
Or
    (b) I xplain the various hardware components used for computer data communication.
13. (a) Discuss satellite packet broadcasting in brief
Or
    (b) Discuss the IEEE and 802.3 standards for LAN.
14. (a) Explain the session layer services and their implementation. Or
    (b) Discuss the services implemented in the transport layer and the nature of the implementation.
15. (a)  Discuss the need for data compression techniques the methods used for it as applied to computer communication.
Or
    (b)    Explain the nil poitant services offered by the presentation layer.       (5 x 12 = 60 marks)
FOR COMPLETE PRINTED QUESTION PAPER SET CONTACT: 9745451920 Rs:50/-

OCTOBER / NOVEMBER - 2001 COMPUTER NETWORKS (R)


MAHATMA GHANDHI UNIVERSITY (MG)
B.Tech. DEGREE EXAMINATION,
OCTOBER / NOVEMBER - 2001
COMPUTER NETWORKS (R)
Maximum: 100 Marks
Time: Three Hours
Part A
Answer all questions.
1. What is MAC sublayer ?
2. Explain about design issues of networks.
3. Compare packet switching and circuit switching .
4. What is rnultipath routing ?
5. Compare pure aloha and slotted alystems.
6. What are packet radio networks ?
7. Explain how            performs synchronisation on. w sessions laye
8. What is remote procedure call `?
9. Describe file transfer protocol.
10. Describe different  methods. fent data re
(10 x 4 ---- 40 marks)

Part B

11. Explain different methods to overcome dea o .
12. Explain about different IEEE standards
13. Explain about aloha systems.
14. Explain the role of session layer.
15. Explain mail server
16. Explain the role of transport layer.
     (5 x 12 --- 60 marks)
FOR COMPLETE PRINTED QUESTION PAPER SET CONTACT: 9745451920 Rs:50/-

COMPUTER NETWORKS (R) B.Tech. DEGREE EXAMINATION, APRIL / MAY 2001


MAHATMA GHANDHI UNIVERSITY (MG)
B.Tech. DEGREE EXAMINATION, APRIL /  MAY 2001
Branch: Computer Science Engineering
COMPUTER NETWORKS (R)
(New Scheme - 1997 admission onwards)
Time: Three Hours                             Maximum: 100 Marks
Part A
Answer all questions.
1. Discuss the star network toology.   the IS
2. Discuss the functioning of the Physical Layer thO model
3. Discuss what is meant by routing table.
4. Discuss datagram concept a applied to network layer.
5. Differentiate between bridges and routers.
6. Discuss the nature of IP packets and their headers.
7. Explain connectionless protocol with a typical example.
8. Explain the FTP service.
9. Discuss the implementation of access management as applied to the presentation layer.
10. Explain the sliding window protocol.       (10 x 4 = 40 marks)
Part B
Answer all questions.
All questions carry equal marks.
11. (a) With a neat block diagram, explain briefly the ISO Jaye model.
Or
    (b) Compare analog transmission and digital transmission with special reference to ISDN.
12. (a) Discuss the concept of a data packets and their formats tis used in computer networks.
Or
    (b) I xplain the various hardware components used for computer data communication.
13. (a) Discuss satellite packet broadcasting in brief
Or
    (b) Discuss the IEEE and 802.3 standards for LAN.
14. (a) Explain the session layer services and their implementation. Or
    (b) Discuss the services implemented in the transport layer and the nature of the implementation.
15. (a)  Discuss the need for data compression techniques the methods used for it as applied to computer communication.
Or
    (b)    Explain the nil poitant services offered by the presentation layer.     (5 x 12 = 60 marks)
FOR COMPLETE PRINTED QUESTION PAPER SET CONTACT: 9745451920 Rs:50/-

COMPUTER NETWORKS (R, T) B. TECH. DEGREE EXAMINATION, MAY 2005


MAHATMA GHANDHI UNIVERSITY (MG)
B. TECH. DEGREE EXAMINATION, MAY 2005
Sixth, Semester
Branch: Computer Science and Engineering,
Information Technology
COMPUTER NETWORKS (R, T)
(New Scheme-2002 admission)
Time: Three Hours                                                Maximum .100 Marks
Answer all questions.
Part A
1. What are the advantages of layered architecture ?
2. What are some of thephysjcal media that ethernet can run over
3. Describe any one method of error detection
4. Explain CSMA.          •
5. Explain the use of routing algorithms.
6. What are the causes for congestion in networks ?
7. Distinguish between Connection Oriented and Connectionless Services.
8. Briefly explain the functions of transport layer.
9. Give an over view of blue tooth.
10. What is a mobile switching centre?     (10 x 4 =- 40 marks)
Part-B
11. (a) Explain in detail the ISDN system architecture.
Or
    (b) Distinguish clearly between Hubs, Bridges and Routers.
12. (a) Explain different multiple access protocols.
Or
    (b) Explain in detail the slotted ALOHA protocol.
13. (a) Explain the causes of congestion and methods to avoid them in networks.
Or
    (b) Describe in detail the leaky bucket algorithm.
14. (a) Compare ATM with TCP/IP networks.
Or
    (b) Describe different protocols used by the transport layer in ensuring reliable data transfer.
15. (a) Explain blue-tooth technology architecture.
    (b) Write down different applications of the interact and about the protocols used for each application.
(5 x 12 60 marks)
FOR COMPLETE PRINTED QUESTION PAPER SET CONTACT: 9745451920 Rs:50/-

Sunday, June 3, 2012

SET (State Eligibility Test) Questions and answers


3. After attending an inservice cource you are offered one book from among the four listed below. Which one will be your first preference?
(a) A novel written by a famous author.
(b) A book on innovative instructional strategies
(c) The autobiography of your favourite political leader.
(d) A book on the philosophy of Rousseau. 4. On a free evening you have the choice to
6. A boy continues to talk in the class with his mates even after being warned. What action would you take?
(a) Send him out of the class room
(b) Talk more loudly and attract his attention
(c) Make the whole class sit quiet for five minutes, with folded hands.
(d) Arrange a counseling session for the boy.
7. A boy who is deeply interested in sports is found not to show progress in academic studies. What step will you take inorder to help him?
(a) Encourage him to concentrate on sports even at the risk of neglecting academic studies.
(b) Provide him compensatory programmes to make up for the backwardness in studies.
(c)Convince him that it is better to suspend sports activities till the examinations are over.
(d) Don't interfere and allow him to follow his own course of action.
8. Some students are found to buy unhygienic food items from the school gate. What is its remedy?
(a) Force the peddlers concerned vacate the school gate
(b) Arrange for explaining the harmful effects of the practice in the school assembly.
(c) Inform the principal about this.
(d) Announce that those who do so will be severely punished.
9. In the Parent Teacher Association meeting, some parents point out that your pupils have complained that they do not understand the topic clearly. What will be your reaction?
a) Identify the pupils and schold them for complaining child to take a decision
11. A decision about an issue taken by you has been criticised by a large number of your colleagues. What will you do under such a situation?
a) Accept their suggestions and change your stand
b) Stick on to your original stand point
c) Gather support for your stand from other friends
d) Study their points of view and accept if you are convinced
12. You and your friend send entries for an educational competition. Your friend wins a prize, but not you. Other colleagues cut jokes about this. What will be your reaction?
a) Congratulate the winner and wait for the next chance
b) Tell the colleagues that other friend won it by political influence
c) Ask the colleagues to study the entries and pass a judgment
d) Write to the organizers about the injustice and favoritism
13. The meaning of a phenomenon is found to be vague for students. What step would you suggest to make its meaning definite?
a) Ask them to give their own explanation
b) Use some concrete mediator that could help in visualising the phenomenon
c) Explain it again and again until everybody understands it
d) Advise them to seek the help of some expert
14. Which of the following learning experiences do you think most appropriate to the developmental stage of a sixteen year old learner, while learning a principle?
a) Participating in physical activities depicting the principle
b) Examining a diagram which illustrate the application of the principle
c) Arrive at the principle inductively and
19. Which of the following activities world help a teacher best, to make communication effective?
A. use of instructional aides where ever possible
B. help given to students to get meaning out of what he teaches
C. asking questions in between teaching with a view to evaluate
D. help given to students for finding the correct answers to questions.
20. "Truth in that which works" is a saying often quoted in relation to the philosophy of:
A. Realism
B. Pragmatism
C. Idealism
D. Naturalism.
21. Open Universities have been started become of:
A. economic stringency
B. demand for higher education
2. Name the Indian who has been appointed as the Vice President of Interpol?
(a) H. T. Sangliana
(b) Joginder Singh
(c) I.K. Govind
(d) P.C. Sharma Ans:d.
3. What is the motto of Afro- Asian games?
(a) Swifter-Higher-Stronger
(b) Ever onwards
(c) Two continents, one spirit
(d) None of these
Ans;c.
4. Name the second largest island?
 (a) Borneo
(b) Greenland
(c) Madagascar
(d) New Guinea
 Ans:d.
23) On a free evening, you have the choice to attend one of the tour programmes taking place in your town. Which will be your first preference?
(a) Screening of a famous movie
(b) A recital of their poems by five well known poets
(c) A seminar of academicians on issue in contemporary education.
(d) An exhibition of agricultural products
5. An insignificant issue develops into a serious conflict between a section of your students and a group of students in a neighbouring school. How will you respond?
(a) Will not involve in the issue at all.
(b) Support the students of your school
(c) Support the students of the other
10. A pupil facing a problem asks the teacher 'what shall I do?' The teacher should:
a) Provide the pupil with course of action after considering his abilities
b) tell the pupil what he would do if he were in the pupils place
c) ask the pupil to get the advice of his parents
d) have an intimate discussion with the pupil and provide insight to enable the
apply it deductively while solving problematic situations
d) Memorising the principle for use on future occasions
15. Which of the strategies is the most important for enhancing the level of mastering in learning?
a) Providing attractive incentive to high achievers
b) Providing continuous in-service training to teachers
c) Adopting the strategy of diagnosis and remediation while imparting instruction
d) Use of technological gadgets to make instruction dynamic
Ans: C
24. Cognitive field psychology does not accept the practice of learning through
 A. logical differentiation
B. meaningful generalizations
C. purposeful restructuring
D. piece meal learning
Ans: D

25. Education should give stress on desirable changes in:
A. cognitive domain
B. affective domain
C. psychomotor domain
D. all the above domains.
Ans: D
9. The Australian Cricket Player who is the new Aussies Tourism Ambassador to India?
(a) Steve Waugh
(b) Shane Warne
(c) David Boon
(d) Mark Waugh
Ans: A
10. The first City to implement Conditional Access System (CAS)?
(a) Delhi
(b) Mumbai,
(c) Kolkotta
(d) Chennai
Ans:(d).

Saturday, May 26, 2012

UPSC Civil Service Examination ZOOLOGY


PAPER – I
1. Non-chordata and Chordata:
(a) Classification  and  relationship  of  various  phyla  up  to  subclasses:
Acoelomate and Coelomate, Protostomes and Deuterostomes, Bilateria
and  Radiata;  Status  of  Protista,  Parazoa,  Onychophora  and
Hemichordata; Symmetry.
(b) Protozoa: Locomotion, nutrition, reproduction, sex; General features
and  life  history  of Paramaecium, Monocystis,  Plasmodium  and
Leishmania.
(c) Porifera: Skeleton, canal system and reproduction.
(d) Cnidaria: Polymorphism, defensive structures and their mechanism;
coral reefs and their formation; metagenesis; general features and
life history of Obelia and Aurelia.
(e) Platyhelminthes: Parasitic adaptation; general features and life history
of Fasciola and Taenia and their pathogenic symptoms.
(f) Nemathelminthes: General features, life history, parasitic adaptation
of Ascaris and Wuchereria.
(g) Annelida:  Coelom and metamerism; modes of life in polychaetes;
general features and life history of Nereis, earthworm and leach.
(h) Arthropoda:  Larval forms and parasitism in Crustacea; vision and
respiration  in  arthropods  (Prawn,  cockroach  and  scorpion);
modification of mouth parts in insects (cockroach, mosquito, housefly,
honey bee and butterfly); metamorphosis in insect and its hormonal
regulation, social behaviour of Apis and termites.
(i) Mollusca:  Feeding, respiration, locomotion, general features and life
history  of  Lamellidens, Pila  and Sepia,  torsion  and  detorsion  in
gastropods.
(j) Echinodermata:  Feeding, respiration, locomotion, larval forms, general
features and life history of Asterias.
(k) Protochordata:  Origin of chordates; general features and life history
of Branchiostoma and Herdmania.
(l) Pisces:  Respiration, locomotion and migration.
(m)    Amphibia:  Origin of tetrapods, parental care, paedomorphosis.
(n) Reptilia;  Origin of reptiles, skull types, status of Sphenodon and
crocodiles.
(o) Aves:  Origin of birds, flight adaptation, migration.
(p) Mammalia:  Origin of mammals, dentition, general features of egg
laying mammals,  pouched-mammals,  aquatic mammals  and
primates, endocrine glands (pituitary, thyroid, parathyroid, adrenal,
pancreas, gonads) and their interrelationships.

(q) Comparative functional anatomy of various systems of vertebrates
(integument and its derivatives, endoskeleton, locomotory organs,
digestive system, respiratory system, circulatory system including
heart and aortic arches, urino-genital system, brain and sense organs
(eye and ear).
2. Ecology:
(a) Biosphere:  Concept of biosphere; biomes, Biogeochemical cycles,
Human induced changes in atmosphere including green house effect,
ecological succession, biomes and ecotones, community ecology.
(b) Concept of ecosystem; structure and function of ecosystem, types
of ecosystem, ecological succession, ecological adaptation.
(c) Population;  characteristics,  population  dynamics,  population
stabilization.
(d) Biodiversity and diversity conservation of natural resources.
(e) Wildlife of India.
(f) Remote sensing for sustainable development.
(g) Environmental biodegradation, pollution and its impact on biosphere
and its prevention.
3. Ethology:
(a) Behaviour: Sensory filtering, reponsiveness, sign stimuli, learning and
memory, instinct, habituation, conditioning, imprinting.
(b) Role of hormones in drive; role of pheromones in alarm spreading;
crypsis, predator detection, predator tactics, social hierarchies in
primates, social organization in insects.
(c) Orientation, navigation, homing, biological rhythms, biological clock,
tidal, seasonal and circadian rhythms.
(d) Methods of studying animal behaviour  including sexual conflict,
selfishness, kinship and altruism.
4. Economic Zoology:
(a) Apiculture, sericulture, lac culture, carp culture, pearl culture, prawn
culture, vermiculture.
(b) Major  infectious  and  communicable  diseases  (malaria,  filaria,
tuberculosis,  cholera  and AIDS)  their  vectors,  pathogens  and
prevention.
(c) Cattle and livestock diseases, their pathogen (helminthes) and vectors
(ticks, mites, Tabanus, Stomoxys).
(d) Pests of sugar cane (Pyrilla perpusiella) oil seed (Achaea janata)
and rice (Sitophilus oryzae).
(e) Transgenic animals.
(f) Medical  biotechnology,  human  genetic  disease  and  genetic

counselling, gene therapy.
(g) Forensic biotechnology.
5. Biostatistics:
Designing  of  experiments;  null  hypothesis;  correlation,  regression,
distribution and measure of central tendency, chi square, student-test, Ftest
 (one-way & two-way F-test).
6. Instrumentation Methods:
(a) Spectrophotometer, phase contrast and fluorescence microscopy,
radioactive tracer, ultra centrifuge, gel electrophoresis, PCR, ELISA,
FISH and chromosome painting.
(b) Electron microscopy (TEM, SEM).
PAPER - II
1. Cell Biology:
(a) Structure and function of cell and its organelles (nucleus, plasma
membrane, mitochondria, Golgi  bodies,  endoplasmic  reticulum,
ribosomes, and lysosomes), cell division (mitosis and meiosis), mitotic
spindle  and mitotic  apparatus,  chromosome movements,
chromosome type polytene and lambrush, organization of chromatin,
heterochromatin, Cell cycle regulation.
(b) Nucleic acid topology, DNA motif, DNA replication, transcription, RNA
processing, translation, protein foldings and transport.
2. Genetics:
(a) Modern concept of gene, split gene, genetic regulation, genetic code.
(b) Sex chromosomes and their evolution, sex determination in Drosophila
and man.
(c) Mendel’s laws of inheritance, recombination, linkage, multiple alleles,
genetics of blood groups, pedigree analysis, hereditary diseases in
man.
(d) Mutations and mutagenesis.
(e) Recombinant  DNA  technology;  plasmid,  cosmid,  artificial
chromosomes as vectors, transgenic, DNA cloning and whole animal
cloning (principles and methods).
(f) Gene regulation and expression in prokaryotes and eukaryotes.
(g) Signal molecules,  cell  death,  defects  in  signaling  pathway  and
consequences.
(h) RFLP, RAPD and AFLP and application of RFLP in DNA finger printing,
ribozyme  technologies,  human  genome  project,  genomics  and
protomics.
3. Evolution:
(a) Theories of origin of life.

(b) Theories of evolution;  Natural selection, role of mutations in evolution,
evolutionary patterns, molecular drive, mimicry, variation, isolation
and speciation.
(c) Evolution of horse, elephant and man using fossil data.
(d) Hardy-Weinberg Law.
(e) Continental drift and distribution of animals.
4. Systematics: Zoological nomenclature, international code, cladistics,
molecular taxonomy and biodiversity.
5. Biochemistry:
(a) Structure and role of carbohydrates, fats, fatty acids and cholesterol,
proteins and amino-acids, nucleic acids.  Bioenergetics.
b) Glycolysis  and Kreb  cycle,  oxidation  and  reduction,  oxidative
phosphorylation, energy conservation and release, ATP cycle, cyclic
AMP – its structure and role.
(c) Hormone classification (steroid and peptide hormones), biosynthesis
and functions.
(d) Enzymes: types and mechanisms of action.
(e)  Vitamins and co-enzymes
(f) Immunoglobulin and immunity.
6. Physiology (with special reference to mammals):
(a) Composition and constituents of blood; blood groups and Rh factor
in man, factors and mechanism of coagulation, iron metabolism, acidbase
 balance, thermo-regulation, anticoagulants.
(b) Haemoglobin:  Composition, types and role in transport of oxygen
and carbon dioxide.
(c) Digestion and absorption:  Role of salivary glands, liver, pancreas
and intestinal glands.
(d) Excretion: nephron and regulation of urine formation; osmo-regulation
and excretory product
(e) Muscles: Types, mechanism of contraction of skeletal muscles, effects
of exercise on muscles.
(f) Neuron:  nerve impulse – its conduction and synaptic transmission,
neurotransmitters.
(g) Vision, hearing and olfaction in man.
(h) Physiology of reproduction, puberty and menopause in human.
7. Developmental Biology:
(a) Gametogenesis; spermatogenesis, composition of semen, in vitro
and in vivo capacitation of mammalian sperm, Oogenesis, totipotency;
fertilization, morphogenesis  and morphogen,  blastogenesis,
establishment of body axes formation, fate map, gestulation in frog

and  chick;  genes  in  development  in  chick,  homeotic  genes,
development of eye and heart, placenta in mammals.
(b) Cell  lineage,  cell-to  cell  interaction, Genetic  and  induced
teratogenesis,  role  of  thyroxine  in  control  of metamorphosis  in
amphibia, paedogenesis and neoteny, cell death, aging.
(c) Developmental genes in man, in vitro fertilization and embryo transfer,
cloning.
(d) Stem cells: Sources, types and their use in human welfare.
(e) Biogenetic law.