Tutorial Sheet # 2 1. Sketch the time variation and frequency spectrum of an RF signal with 75 % Amplitude Modulation. Show several cycles of the modulated wave. Make the modulation frequency 1/10 of the carrier frequency. The unmodulated carrier has peak amplitude of 1.0V. In an amplitude modulation system‚ the message signal is given by Fig. and the carrier frequency is 1 KHz. The modulator output is SAM (t) = 2(b + 0.5m (t)) cos ωc t. 2. a. Determine the average message power. b. If b =
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Electronic Records Langemo (1995) describe records as the memory of the organization‚ the raw material for decision making‚ and the basic for legal defensibility. Meanwhile Gagnon (1987) defines records from the functional standpoint when he says all recorded information regardless of media or characteristic‚ made or received and maintained by an organization or institution in pursuance of its legal obligations or in the transaction of business. However‚ Clubb (1991) admits that it was relatively
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both physical and emotional needs.” (Klein 39). One must also remember the role that discipline plays in being a good parent. The media has set a new standard for children and they strive to embody it completely. They are no longer limited to the standards their friends and family have set for them‚ but are challenged daily on whether or not they shall surpass those new media standards. Kids nowadays worry more about their social rank and less about how they rank academically. One cannot be cool and
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International Journal of Computer and Information Technology (ISSN: 2279 – 0764) Volume 02– Issue04‚ July 2013 Development of an Electronic Medical Image Archiving System for Health Care in Nigeria Olaniyi‚ Olayemi Mikail Department of Computer Engineering Federal University of Technology Minna‚ Nigeria Omotosho Adebayo and Robert Jane Department of Computer Science and Technology Bells University of Technology‚ Ota‚ Nigeria Oke Alice.O Department of Computer Science and Engineering Ladoke Akintola
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Coming along with the development of Internet’s growth speed‚ social media usage has developed and become widespread very quickly. Social networks‚ blog sites‚ and other online “beehives” appear to be all around us as millions of people adopt social media sites as their primary source of all kinds of information. It is also important to note that instead of using the more common social media tools like Facebook and Twitter‚ Vietnam has its own localized version of social media tools which could be
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ELECTRONIC ELOQUENCE According to Borchers (2012)‚ persuaders must communicate in ways that reflect the consciousness‚ culture‚ and knowledge expectations of their audiences. Jamieson’s electronic eloquence emphasizes how persuaders adapt in the electronic age through establishing intimate relationships with the audience‚ an intimate style of communication traditionally used by females in oratory; and signifies the move of pathos. She cited the television phenomenon‚ which brings intimacy to the
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Challenges Faced By Pakistani Media Pakistani media has got significant progress during the last decade‚ as it is moving forward it is also facing many challenges. Solution for these challenges is very important to reach the standards of ideal media situation. There are so many challenges Pakistani media is facing. One of the main challenges Pakistani media is facing is the control of media giants over the media. In this situation one person (whether politician or other person) is having may
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e-payment system ELECTRONIC FUND TRANSFER By Prof T.R. Vaidyanathan e-payment system As payment is an integral part of mercantile process‚ electronic payment system is an integral part of ecommerce. The emergence of e-commerce has created new financial needs that in many cases cannot be effectively fulfilled by traditional payment systems. E-payment systems are becoming central to ecommerce as companies look for ways to server customers fasters and at lower cost‚ thereby paving way for
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The electronic security market in India has witnessed a considerable growth in the last few years. The rising incidents of crime and burglary and the rising awareness about benefits of the electronic security equipments amongst the people have primarily driven the electronic security market. Many electronic security brands are now experimenting with advanced technology to provide their customers with more options. The electronic security market in India has made significant progress in the recent
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Executive Summary Samsung Electronics was established in 1969 and successfully developed its own products internally in 1980s. The company grew very fast and even continued to lead the market with an 8% growth in gross sales during Asian crisis in 1997. Now it is transforming to a global digital company with many products occupying substantial market shares in the world. Samsung Electronics attributed its success to four main factors; (1) Highly creative employees can develop new technologies;
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