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Problem :
(a) State and describe the transmission ranges associated with wireless transmission. Illustrate your answer with a diagram.
(b) Sketch a graph representing how a wireless signal attenuates with distance travelled.
(c) What is multiplexing? Briefly describe the different ways in which a medium can be multiplexed.
(d) Spreading the spectrum for signal transmission helps alleviate the narrow band interference problem. What is narrow band interference? State and describe different techniques that can be used to spread the spectrum.
(e) How would you modify the binary phase shift keying modulation technique to improve efficiency?
(f) Explain techniques used in cellular systems to improve the reuse of frequency channels. Illustrate your answer.
(g) Explain the effect known as cell breathing.
Arithmetic-logic section in computer system: The arithmetic-logic section performs arithmetic operations, such subtraction, addition, multiplication, and division. Throug
Explain Shadow Copy Scheme in detail.
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Formal Analysis: The second step of the art critiquing process often begins with an analysis of the artworks formal elements and how they are the organised. The formal elem
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Given: • A sequence of n arrival times t0, t1, ..., tn-1, • a library of mlogically equivalent gates {(d0, c0), (d1, c1), ..., (dm-1,cm-1)} where d is delay and c is cost • a
Highlight the advantages of assembly language. The benefits of assembly language program would be Reduced errors Faster translation times Changes could be made fas
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