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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?
A fund manager’s high growth portfolio is made up of 80% (w1) in shares and 20% (w2 ) in bonds. Over the course of year 2010, the returns from each asset class are expected to have
External cooling Cooling of the external skin of an aero-engine is achieved by suitable design of the aircraft airframe; the layout will depend upon where the engine is fitted
if the response of a signal is h(t) then the cascading of two responses h1(t) and h2(t) is given by
What is the energy related CO 2 emissions per capita and per $1,000 of GDP? Add the point representing Florida on the Energy CO 2 intensity graph in Appendix. How does it
A blade cascade is a row of evenly space yp dentical blades. Approximates to a turbomachinery rotor or stator if the radius the annulus is large compared with the bl the annulus is
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what are the merits and demerits of free radical
The objective of this programming assignment is to experience the use of inheritance in Java and to see how polymorphism works with inheritance in Java. The assignment involves wri
soil and water and irrigational projects
3. Design and draw a circuit using the cascade system to operate two cylinders (A and B) which, on the operation of a start valve, produces the sequence A – B + B – A+. The cylinde
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