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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.
Think about call of two intrinsic functions discussed above for a 32-Processor (4×8) Multicomputer: The function call NUMBER_OF_PROCESORS () will return 32.
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What is the Gray equivalent of (25) 10 Ans. Gray equivalent of (25) 10 : The Decimal number 25 has binary equivalent as (00100101) 2 The left most bits (MSB) into gray
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First-Order Inference Rules -artificial intelligence: Now we have a perfect definition of a first-order model is,in the same way, we may define soundness for first-order infere
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How do you control instructions like branch, cause problems in a pipelined processor? Pipelined processor gives the best throughput for sequenced line instruction. In branch in
Single Instruction and Multiple Data stream (SIMD) In this organisation, multiple processing elements are working under the control of a one control unit. It has multiple data
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