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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?
Casting means the pouring of molten metal into a mould, where solidification occurs. Advantages of Casting Process (i) It is the cheapest method of fabrication.
OBTACLES IN CHAIN SURVEYING.
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Static electricity in aircraft: As mentioned earlier, the effects of static electricity are of considerable importance in the design of aircraft and aircraft equipment. An air
Explain the classification of lime
Hi there, I''ve sent an email to you guys about Telecommunication Networks assignment and I haven''t yet received any reply. Pleases let me know if you have received it. Thank yo
Suppose you have $50,000 that you want to invest in two companies, Bethlehem Books and Allentown Audio. Bethlehem has a return of 10% and standard deviation 15%, while Allentown ha
answer
a part of machine has a reciprocating motion which is simple harmonic making 200 complete oscillations in a minute.the part weight 45 N.determine the accelerating force upon it
Water is flowing at 0.5 ms-1 across a 7.5 cm diameter sausage at 80°C. If the bulk water temperature is 15°C, estimate the heat-transfer coefficient. a) What type of heat tranfe
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