43 DATA COMMUNICATION AND NETWORKING 1. Introduction Data Communication is a system consisting of carries and related devices used to transport datafrom one point to another. Communication means to convey a message‚ an idea‚ a picture or speechthat is received and understood clearly and correctly by the person for whom it is conveyed. Ancient Methods of Communication and Their Demerits – Message were sent in olden timeseither through horse riders or by using pigeons. There was no surety that
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organization when moving to and using VoIP. DQ 2: What is the nature of digital signals‚ binary‚ and other multilevel signal types? What are the advantages of digital signals over analog signals? Cover noise suppression in your explanation. DQ 3: Explain digital multiplexing‚ the digital T(X)‚ and SONET hierarchy. Explain the differences between the American and European systems. Explain digital services such as Integrated Services Digital Network‚ Switched Multimegabit Data System‚ and Switch 56. NTC
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The new Digital era Welcome to the new life‚ as we know it. The days of eating dinner as a family‚ talking about how our day went is long gone. Now families eat on the go and speak to each other by cell phone or text messaging. Are we losing the face to face conversations‚ will we end up like the Disney movie Wall-E and hide behind a computer screen with avatars to represent what we want to look like. Even though‚ a lot has changed with technology we need to come back to reality and realize that
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“Describe the impact of the digital revolution on marketing and on consumer behaviour” What is Digital Revolution? It is the change to digital technology from analog mechanical and electronic technology which happened during 1980s and still going till today. What is Marketing? Marketing is a process of selling and promoting good and services; it involves market research as well as advertising. What is Consumer Behaviour? It is a study about people‚ who are consumers of how‚ why‚ when‚ and
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DESIGN OF QUESTION PAPER MASS MEDIA STUDIES—ELECTIVE (072) SAMPLE PAPER CLASS XII (2014-15) MAX MARKS : 80 TIME ALLOWED: 3 HOURS The weightage of the distribution of marks over different dimensions of the question paper shall be as follows: I. WEIGHTAGE TO CONTENT/SUBJECT UNITS S.NO. 1 2 3 4 5 UNITS Understanding the Language of the Medium Evolution of the Media Convergence of the Media Selling/Marketing/Exhibiting a Product through Advertising Graphic Design and Multimedia Applications WEIGHTAGE/MARKS
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Introduction The water system in any pharmaceutical organization is of vital importance. It is widely used in pharmaceuticals and related industries. Water used in process and in cleaning must be pure and free from microbial and chemical impurities. Laboratories need pure water free of foreign substances‚ which could potentially affect the outcome of analyses‚ and the pharmaceutical industry needs pure water for a variety of purposes – everything from cleaning to the use of pure water as an ingredient
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retrieve information. Technological advances in this field have changed lifestyles around the world and spawned new industries around controlling and providing information. Digital Revolution The Digital Revolution is a recent term describing the effects of the rapid drop in cost and rapid expansion of power of digital devices such as computers and telecommunications (e.g mobile phones). It includes changes in technology and society‚ and is often specifically used to refer to the controversies
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this field.it is still in developmental stage. Information is traditionally confined to paper or digitally to a screen. Even though computing devices allows us to carry computers in our pockets‚ that connects to the digital world continuously‚ BUT is no link between our digital devices and our interactions with the physical world. It consists of three components‚ namely Camera ‚ mini projector and coloured markers. It captures visual information from physical objects.It is simply
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polar encodin are types of _______ encoding. ng f A. Line L vii. C. Remains t same the B. Block C. N NRZ D. D Manchester r PCM is an example of _______ conversion. i e A. Digital-to-Digital B. Digit D tal-to-Analog g C. Analog g-to-Analog D. Analog-to- Digital D viii. AM and FM are examp of ______ conversio M ples ___ on. 1 A.
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“THE DIGITAL DIVIDE” Interaction between people and technology‚ most especially the COMPUTER‚ has greatly increased as we begin to enter on the twenty-first century. People’s ability to access computers and INTERNET has become very important to completely familiarize their selves in the economic‚ political‚ and social aspects of the world. Unfortunately‚ not everyone has access to this technology. The idea of the “digital divide” refers to the expanding gap between the needy members of society;
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