M.Sc. (Semester III) (CBCS) Examination Oct/Nov-2017
Computer Science
MOBILE COMPUTING
Day Date: Saturday, 18-11-2017 Max. Marks: 70
Time: 02.30 PM to 05.00 PM
Instructions: Question no. 1 and 2 are compulsory.
Attempt any 3 questions from Q. no. 3 to Q. no. 7
Figures to the right indicate full marks.
Q.1 Choose correct alternatives. 10
DAMA is an reservation scheme.
Implicit Explicitly
Transmission All of those
HDLC means
High-Level Data Link Control High Data Link Control
High Data Layer Control High Data load computer
is used to unblock the Mobile Station.
EMIE number PIN number
IMSI number Cipher key
Changing VLRs with uninterrupted availability of all services is also
called
Switching Handover
Roaming GSM
A is a collection of Bluetooth device which are
synchromized to the same hopping sequence.
Piconet Master
Slave wlan
Unlicensed National Information Infrastructure bands IEEE802.11a
offer up to
54 nit/s 54 GHZ/s
54 Kbit/S 54 Mbit/s
How to get a response from an activity in Android?
Start Activity to Result Start Activity for Result
Bundle None of these
What is ADB in android?
Image tool
Android Development box
Android debug Bridge
None of these
What are the indirect Direct subclasses of Activity?
Launcher Activity Preference Activity
Tab Activity All of these
Page 2 of 2
SLR-MG-306
10) techniques involve spreading the bandwidth needed o
transmit data which does not make sense at first sight.
Spread spectrum Signal propagation
Line-of-sight All of these
State True or False. 04
In this range digital audio broadcasting takes place 223 230 MHz
and 1452 1472 MHz.
MANET is responsible for developing protocols and components to
enable as-hoc networking between mobile devices.
Signals are the logical representation of data.
Isotropic radiator, a point in space radiating equal power is only one
direction.
Q.2 Write short notes of the following. 08
What is the A8 security algorithm?
What is Android Activity?
Answer the following:- 06
Android xml
Mobile supplementary service.
Q.3 Answer the following.
What is signal propagation? Explain in details path loss of radio signals. 07
Explain Multiple access with collision avoidance. 07
Q.4 Answer the following.
What is the handover? Explain its different scenarios. 07
Explain procedure of Mobile Originated Call. 07
Q.5 Answer the following.
What is scatter-net? Explain its architecture. 07
Write a note on GSM architecture. 07
Q.6 Answer the following.
Explain Mobile TCP in details. 07
Explain in details Tunneling and encapsulation. 07
Q.7 Answer the following.
Explain how to manage network in android. 07
Explain Creation and Running Android Applications. 07