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Question:
(a) What are the main challenges for Mobile Computing?
(b) What is the ISM band and what is particular about this frequency band? Name two wireless technologies that make use of the ISM frequency band.
(c) How would you modify the basic phase shift keying modulation technique to improve efficiency?
(d) (i) Discuss the concept of Master, Slave, Stand-by and Parked devices with respect to a Bluetooth Piconet.
(ii) Bluetooth makes use of frequency hoping for multiplexing of channel allocation. Explain what is meant by frequency hoping, hoping sequence and dwell time.
(iii) Describe the different types of frequency hoping?
(e) Describe the two different architectures supported by IEEE802.11 and how synchronisation is handled within those two different architectures.
(f) Microsoft provides specific guidelines for designing usable interfaces when developing applications for mobile devices. List six of those guidelines.
Explain clearly the four stages in the Rapid Application Development
Prior Conditions - Logic programs: However firstly there we must make sure that our problem has a solution. Whether one of the negative examples can be proved to be true from
Conversion of Decimal number 82.67 to its Binary Equivalent Ans. Firstly see the integer part 82 and determine its binary equivalent as The Binary equivalent is (101001
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Telephone Traffic is measured in (A) Seconds. (B) Hours. (C) Erlang (D) Pulses per minute. Ans: Telephone Traffic is measured in Erlang.
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Q. What are the types of Instructions? Computer instructions are translation of high level language code to machine level language programs. So from this point of view machine
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