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Question:
(a) Spreading the spectrum for signal transmission helps alleviate the narrow band interference problem. What is narrow band interference? State and describe 2 different techniques that can be used to spread the spectrum.
(b) Describe the following terms in the Bluetooth architecture: (i) Piconet (ii) Master (iii) Slave (iv) Parked Devices (v) Standby Devices (vi) Scatternet
(c) IEEE802.11 supports two types of network architectures, describe these architectures with the support of diagrams detailing the network components.
(d) New types of computer based devices arise from:
(i) Specialisation (ii) Convergence (iii) Disaggregation and decentralization
Explain each of the term above and provide an example for each of these cases.
(e) A key component to the success of Ubiquitous computing is sustainability. What is meant by sustainability when associated with Ubiquitous Computing and what are the main sustainability concepts associated with Ubiquitous Computing?
calculate the workdone by a system which contains 10kg of this gas expanding from 1m^3 at temperature of 293k, use the values a=15.7*10Nm^4, b=1.07*10^-2m^3 , R=0.278KJ/Kg-k.
what is the basic operation of gas turbine engine?
Furnace limit switches are wired in series with the?
defination .
Please solve this problem fully http://i39.tinypic.com/64h3kl.png
• ''Discussed Since the promised return on Russian government debt is much higher than the promised return on US government debt, you should invest your money in Russia
Mode III Interlaminar Fracture Toughness The Mode III interlaminar fracture toughness of a composite can be measured using the split cantilever beam (SCB) geometry. Here, a c
if we are comparing the risk and return of two stocks. what to calculate, what to analyza and what conclude
Replacement Analysis In the previous chapter we have compared various investment alternatives. Two scenarios were considered: single alternative and a set of mutually exclusive
differences between blast , reverbatory and electric furnaces
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