UNIVERSITY EXAMINATIONS: 2017/2018
EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN
APPLIED COMPUTING
BAC5107 MOBILE COMPUTING
FULL TIME/PARTTIME
DATE: APRIL 2018 TIME: 2 HOURS
INSTRUCTIONS: Answer Question One & ANY OTHER TWO questions.
QUESTION ONE
a) Mention any four challenges of mobile computing.
b) Explain the working of RFID and RFID tags.
c) Mention various components of information security.
d) Explain how sectoring and microcell zone concept improve coverage and capacity in
cellular systems.
e) Compare FDMA and TDMA schemes.
f) Explain mobile application and services.
g) Give the classification of mobile data bases.
(7 × 4 Marks)
h) In your own words, define mobile computing
2 Marks
QUESTION TWO
a) Explain the functions of base station and mobile switching center in cellular architecture.
(7 Marks)
b) Explain location management in mobile computing. Mention various phases of location
management.
(6 Marks)
c) Compare static and dynamic channel assignment techniques.
(7 Marks)
QUESTION THREE
a) Define the terms Session Mobility, Service Mobility and Network mobility.
(6 Marks)
b) Describe data dissemination and broadcast in wireless information management.
(7 Marks)
c) Explain features of Mobile Transaction Processing.
(7 Marks)
QUESTION FOUR
a) Explain security framework for mobile environment.
(6 Marks)
b) Explain human computer interactions and their attributes.
(6 Marks)
c) Explain the features of mobile application in WWW.
(6 Marks)
QUESTION FIVE
a) What is Mobility?
(2 Marks)
b) What are two different kinds of mobility, describe them?
(4 Marks)
c) Find out the characteristics while device can thus exhibit during communication.
(4 Marks)
d) What are applications of Mobile Computing?
(4 Marks)
e) What are the obstacles in mobile communications?
(6 Marks)
