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1. What are the essential functional differences between 1st generation, 2nd generation, and 3rd generation of networks? 2. Describe what do you understand by Wireless PAN, Wireless LAN and Wireless MAN. 3. What is an ISM band? Why is it called a free band? 4. What are the characteristics of a mobile computing environment?

1.       A node ‘d’ of a flow graph dominates node ‘n’, if every path from the initial node to ‘n’ goes through ‘d’. 2.       The dominators[head] containing the tail node in a flow graph detects the presence of a back edge. 3.       A pre-header is a basic block introduced during the loop optimisation to hold

1. What are the differences between middleware and gateways? Enunciate with examples in the context of Mobile Computing? 2. How would you broadly classify Mobile Computing applications? 3. Describe the design of Mobile Computing applications using at least two transport communication bearers. Make assumptions, if required.

1. What is SMPP protocol? Why and when is it used? What is the primary difference between SMPP-based technology and GSM Modem technology? 2. Explain each of the following in the context of GPRS network. (a) QoS parameters (b) SGSN (c) GGSN (d) Channel Coding (e) GPRS Data Link Layer (f) GPRS Physical Layer

1. Describe the telephony interfaces available in Palm OS. Why are these interfaces important? 2. Enlist the steps for designing a Palm OS application for checking a duplicate entry of reminder(s) for calendar items. 3. How would you design a Sudoku application for IBM Workpad c505? Enumerate the steps. Also, the applications should allow the

1. What are the different types of communication mechanisms available on a Palm OS? 2. Describe each of the following in brief. (a) History of Palm OS (b) GUI handling in Palm OS (c) Plug-ins in Palm OS (d) Multimedia handling in Palm OS 3. What are the different security considerations in Palm OS?

1. Describe the architecture of Palm OS. 2. What are the basic considerations one has to keep in mind while developing applications for Palm OS? 3. Describe the application life cycle in Palm OS with an example. 4. What are the design constraints for applications targeted for handheld devices?

Describe the Symbian OS architecture. What are the functions of different layers in this architecture? Describe memory management in Symbian OS. How is it useful for memory constrained devices? What are the different application environments available for Symbian OS?

1. How would you design a distributed application (say, a car racing game) so that it can run over at least four Palm devices using Bluetooth? Which programming language will be more suitable for this? What shall be the considerations in adding more players (i.e.,devices) and later upgradation of the application?

1. What shall be the design considerations linking an application of your PC to a Palm OS device through Bluetooth? 2. What should be a Palm OS application like to remain robust across the upcoming flavors of Palm OS? 3. What is SIP CGI?