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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?
small signal operation in bjt
Extrusion : In this method of forging, the metal slug is forced to pass through a die under the action of intense of hydraulic pressure. The process can be viewed as squeezing the
#questi1.) A house has 0.5 cm thick single-pane glass window 2m by 1.5m .The temperature is 20 degrees Celsius and the outside temperature is -20 degrees Celsius .If there is an ai
i got a msg from u is that Dear Tutor Congratulations!! You are successfully done with the process of quality check, now we are sending you the registration form
Also called 1-bit DAC or sigma-delta DAC. It uses pulse-density modulation (PDM) which encodes the signal amplitude by the relative density of the pulses. The output voltage has on
Ne w building completion: New buildings have to be constructed to meet certain fire safety standards. It is not acceptable for buildings to be built that do not attain a min
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
Continuity equation If we consider the machine to be an open-ended duct, we find that the mass flow per second will depend on the density of the fluid and the volume flowing
state and explain varignons theorem
Pitch control unit (pcu) operation: The action of the Governor bob weights, due to the varying RPM of the engine, is to raise or lower an internal piston to cover or open fluid
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