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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?
1 kg of air is allowed to expand reversibly in a cylinder behind a piston in such a way that the temperature remains constant at 260 degree while the volume is doubled.The piston i
In a CDMA system, the signal is spread over a large bandwidth by multiplying the transmitted symbol by a sequence of short pulses, also called chips. The system bandwidth is thus d
Extended input facilities Another instance where multiple inputs to a single gate operation can occur is with certain types of gate elements that have an 'EXTENDED INPUT' facil
TRANSISTOR CONFIGURATIONS: Before a transistor can be used, it must be connected into an input circuit (by two wires) and an output circuit (two wires). However, because the t
Where are the recomended areas or industries where an Agricultural Engineering Student can apply for industrial training?
Adders & Subtractors Adder and Subtractor circuits are used to perform basic calculations in computer systems. Adders, as their name suggests, add binary digits. Since binary
Engine protection devices : Described below are typical protection devices that will override any excessive demands made on the engine by the pilot or by the control units.
Pls solve the problem 13-7 in Statistical Quality control by Montgomery
WHAT IS ZENER DIAOD?
Procedures for starting and ground running: Before starting and ground running any gas turbine powered aircraft, several considerations must be taken into account. The first an
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