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1.       The strength reduction transformations identify and replace costly operations by less expensive counterparts. 2.       The DAG is a data structure used for implementing optimising transformations on the intermediate code across basic blocks. 3.       The loop optimisations in the intermediate code are performed during the local optimisation phase.

1. What should be the characteristics of Mobile Computing devices? 2. How should dialogues be controlled for communication in a Mobile Computing environment? 3. Briefly describe the following networks with example and applications. (a) Wired networks (b) Wireless networks (c) Ad hoc networks

1. Give examples for five mobile computing applications. 2. What are the advantages and disadvantages of standards? Name the standard committees responsible for 3G? 3. Describe the variants of Mobile Computing. 4. Describe the various aspects of mobility with respect to Mobile Computing.

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?