M.C.A. (Semester (CBCS) Examination Nov/Dec-2018
Science
MOBILE COMPUTING
iI
Time 2½ Hours Max. Marks: 70
Instructions: All questions are compulsory
Figures to the right indicate full marks.
Q.1 Multiple choice questions 14
The defines the current location of the MN from and IP point of
view.
Agents Router
COA Internet
Antenna is the radiator.
Symmetric Scattering
Isotropic Reflection
In mobile network layer, protocol is used to send registration request.
Transmission Control Protocol
User Datagram Protocol
Internet protocol
Internet Control Message Protocol (ICMP)
BSS in GSM stands for
Basic Service Sub-system Basic Services Set
Base Station Sub-system Base Station Service
Bluetooth is an example of
Ad-hoc network Streamed network
Infrastructure network Ad-toc network
The type of access used in GSM technology is
CDMA OFDMA
HDMA/EDMA ICMP
DVM stands for
Dalvik viral machine Dalvik Virtual machine
Data viral machine Data Virtual machine
DSSS is
Direct source space spectrum
Direct sequence space signals
Direct sequence space spectrum
Direct sequence spread spectrum
The use of content provider in android is
To share the data between applications
To store the data in a database
To receive broadcast messages from the system
To make interactions with the system (device) and the apps
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10) Layouts in android?
Frame Layout Relative Layout 8
Linear layout All of the above
None of the above
11) Waves in the range are used by submarines, because they can
penetrate water and can follow the earth surface.
High frequency Very High frequency
Medium Frequency Low frequency
12) DHCP clients send a request to a server to which the server
responds.
DHCPHOST DHCPDISCOVER
DHCPRECIVE DHCPPOST
13) Which of the following is a function of MAC management protocol in
IEEE802.11 Wireless LAN standard?
Roaming Synchronization
Power Management All of these
14) In each station transmits its data in its assigned time slot.
TDMA FDMA
CDMA SDMA
Q.2 Answer the following (any four) 08
What is signal?
Define CSMA.
What is Antenna?
Define Activity in Android?
What is Shift Keying?
Write notes on (any two) 06
Handover
Infrastructure networks
Bluetooth
Q.3 Answer the following (any two) 08
What is classical aloha and slotted aloha schema used for multiple
access?
Describe TDM.
What is the need of mobile computing?
Answer the following (Any one) 06
Explain functional architecture of a GSM system in detail.
Explain the protocol architecture of GSM system in detail.
Q.4 Answer the following (any two) 10
Discuss mobile originated call schema in GSM.
Define the terms mobile node, foreign agent and care-of address
Write brief notes on congestion control in traditional TCP.
Answer the following (Any one) 04
Explain the concept of roaming.
Compare TDMA with FDMA
d
Q.5 Answer the following (any two) 14
Describe android system architecture in detail.
Discuss the functional architecture of IEEE 802.11 with suitable figure.
Explain in detail an activity lifecycle of android with diagram.