Rajasthan Technical University 2010-2nd Sem B.Tech .(Main/Back) ,- Subject:- Information Technology(Elective) - Question Paper

B.Tech. II Sem.(Main/Back) Examination, June - 2010
info Technology(Elective)
Common to all branches of engineering
Time: three Hours Total Marks: 80
Min. Passing Marks: 24
Instructions to Candidates :
Attempt overall 5 ques. selecting any 1 ques. from every unit. All ques. carry equal marks. (Schematic diagrams must be shown whenever necessary. Any data you feel missing may suitably be presumed and said clearly. Units of volumes used/calculated must be said clearly.)

Unit-I
1.(a) What is meant by 'Quality of Information'? explain the different parameters of info. Which
influence the quality of information? (8)
(b) What is the difference ranging from Data and Information? define any 3 formats of responding
info in digital computer. (8)
OR
(a) What is data compression? why is it needed? Differentiate ranging from Loosy and Lossless data
Compression techniques with suitable examples. (8)
(b) Write short note on color models. Use suitable diagram to discuss the model. (8)
(c) How a bitmap image is various from a vector image? (8)

Unit-II
2.(a) What is Internet? elaborate the application are and use of internet? (8)
(b) What is e-commerce? elaborate the advantages of e-commerce? (8)
OR
(a) Write short note on the following:- (2X4=8)
(i) Digital signature
(ii) Smart card technology
(b) What is Cryptography? discuss about symmetric-key cryptography. Public-key cryptography,
Private key cryptography. (8)

Unit-III
3.(a) discuss the subsequent Network topology in brief:- (4X2=8)
(i) Star topology
(ii) Bus topology
(iii) Ring topology
(iv) Mesh topology
(b) What do you mean by client server architecture?Discuss pros and cors of it. (6)
(c) What is the difference simplex and duplex transmission. (2)
OR
(a) elaborate the functions of subsequent layers in OSI reference model. (4X2=8)
(i) Physical layer
(ii) Data link layer
(iii) Network layer
(iv) Transport layer
(b) provide a brief description of application and limitation of subsequent kinds of transmission.(8)
(i) Fiber optic cable
(ii) Wireless transmission media

Unit-IV
4. Write in brief about following:- (4X4=16)
(i) Batch Processing System
(ii) Multiprogramming Operating System
(iii) Time Sharing Operating System
(iv) Real time system
OR
describe operating system. elaborate the different functions performed by an operating system?(16)

Unit-V
5.(a) What is linker? What is the role of loader in Booting process? (4)
(b) discuss the subsequent in brief:
(i) Assembler
(ii) Compiler
(iii) Interpreter
OR
(a) What is a GUI. elaborate the basic components of GUI of an operating system? (5)
(b) What is database management system? discuss components of DBMS, with help of block diagram.(6)
(c) What is spreadsheet software? discuss with an example. (5)

Earning:   Approval pending.