Osmania University (OU) 2009 B.E Computer Science Mobile computing - Question Paper

FACULTY OF ENGINEERING
B.E. ¾ (CSE) two SEMESTER (NEW) (MAIN) exam APRIL/MAY-2009
MOBILE COMPUTING
TIME:3HOURS MAX MARKS: 75
NOTE: ans all ques. from part A. ans any five ques. from part B

PART-A (marks: 25)
1.Write a short note on spread spectrum.(3 marks)
2.what are the disadvantages of cellular system.(3m)
3.define and discuss Localization?(2m)
4.write notes on HLR and VLR.(3m)
5.what do you mean by Nomadiac Access.(2m)
6.define Adhoc networking.(2m)
7.what is COA?(2m)
8.what is tunneling.(3m)
9.write notes on file system in mobile and wireless environment.(2m)
10.what are application of WAP.(3m)
PART-B (MARKS: 50)
11.write short notes on MAC. describe the terms Hidden and Exposed terminal and Near and Far terminal.
12.Describe the GSM system architecture and discuss every subsystem in detail.
13.explain in detail about the protocol architecture of wireless LANs.
14.Discuss in detail about DHCP.
15.Discuss the different operating systems for mobile devices.
16. a) write note on CDMA.
b)Disucc in detail about DECT
17. Disuss about
a)modulation
b) digital video broadcasting
c)WAP architecture

Earning:   Approval pending.