a. b. Identify and describe the three communications elements. Identify the five advantages of fiber optics as compared to coaxial and twisted pair cables. Describe baseband transmission. Describe the disadvantage of Phase‐Shift‐Keying modulation (PSK). Define and explain bandwidth efficiency. How does multilevel encoding help with optimizing a data communication system? Explain the simplex‚ half‐duplex and full‐duplex transmission mode. Describe the disadvantage of sync
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When is the last time you used the Internet? Maybe 1 minute‚ 30 minutes‚ 45 minutes ago. The things we can do on Internet are so technologically advanced that we use it for different reasons such as Facebook and Twitter which all require the internet. The Internet is a technology used by almost everyone around the world. This technology makes it possible for people to access valuable information through millions of sites that have been created by people willing to share there personal knowledge.
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Fiona‚ but Fiona is keeping something secret. Shrek and Fiona actually have something in common. The story‚ of course‚ has a happy ending‚ were Shrek stops Fiona and Lord Farquaad’s wedding‚ and Shrek and Fiona ends up together‚ at last. Actantian model:
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attainment of the MDGs. The paper recommends that the government should explore public relations possibilities‚ which will in turn lead to national development. Key Words: Public Relations‚ Communication and Development Introduction Public relations describes any form of communication which is aimed at bringing about goodwill and mutual understanding between an organisation and its publics. As a planned communication‚ it concerns every organisation‚ whether commercial or noncommercial‚ government inclusive
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1 Multi-Channel Scheduling and Spanning Trees: Throughput-Delay Trade-off for Fast Data Collection in Sensor Networks ¨ Amitabha Ghosh‚ Ozlem Durmaz Incel‚ V. S. Anil Kumar‚ and Bhaskar Krishnamachari Two primary factors that affect the data collection rate (throughput) and timeliness (delay) are: (i) efficiency of the link scheduling protocol‚ and (ii) structure of the routing tree in terms of its node degrees and radius. In this paper‚ we utilize multiple frequency channels and design an
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This paper was prepared for presentation at the 2009 Society for Information Technology and Teacher Education conference in Charleston‚ South Carolina. 1 Abstract The purpose of this research is to propose the idea of using the social network site‚ Facebook‚ for teacher education. Specifically‚ this research explores the advantages of this new Web 2.0 medium‚ and illustrates the different levels of course integration at an instructor’s disposal. In addition‚ it provides specific instructions
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Essay Internet these days is very advanced because you can see that internet is everywhere like school‚ home‚ and malls as well. There is Wi-Fi where you don’t need to plug in a wire in the computer or laptop to make the internet work. I agree that internet is a useful tool for high school students because firstly‚ you can finish off your project or research quickly. Secondly‚ you can save your document into your e-mail. Thirdly you’ll be able to translate words using Google translation. Firstly
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or modified internet or networking protocols. When standards are proposed‚ they are made available for public comment so that they can be refined and agreed upon. The document which details the proposed standards is called a "request for comment" document‚ or RFC. When the standards are finalized‚ they keep the same "RFC" Three organizations under the Internet Society are responsible for the actual work of standards development and publication: Three organizations under the Internet Society are responsible
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Describe and Discuss the Multistore Model of Memory The multi-store model of memory was the idea of Atkinson and Shiffrin. Atkinson and Shiffrin suggested that memory was compromised of three separate stores - the Sensory Memory store‚ the Short-term Memory (STM) store‚ and the Long-term Memory (LTM) store. They presented a diagram to show this. The multi-store model of memory is a theoretical explanation of how memory processes work. It was the first extensively accepted model of how memory works
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