in the 20th century The mass media included television‚ radio‚ newspaper and telephone. Before television‚ there was morse code‚ but later the telephone came in to play‚ people decided that it was much easier than waiting for a telegram. Before the invention of television there was the radio‚ this was considered the main form of entertainment for a family‚ the radio contained talk shows and advertisements read over the radio from different stores. Newspapers have been around for
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more forms of mass communication‚ which include newspapers‚ magazines‚ TV‚ and radio. Using these to distribute information is far more efficient than shouting. Mass media plays an important role in the life of society. Mass media includes various types of media such as television‚ radio‚ newspapers and magazines. Reading newspapers and magazines‚ watching TV‚ listening to the news on the radio are our main means of getting information. TV is the most popular kind of mass
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# 2006 University of South Africa All rights reserved Printed and published by the University of South Africa Muckleneuk‚ Pretoria COM101-X/1/2007 3B2 97982768 Comter-styl CONTENTS Study Unit FOREWORD Page (v) 1 1 1 2 3 7 10 11 18 28 28 33 33 33 37 39 41 45 45 47 47 47 49 50 53 57 59 59 iii 1 A BRIEF HISTORY OF COMMUNICATION 1. 1.1 1.1.1 1.1.2 1.1.3 1.1.4 1.1.4.1 1.1.5 1.2 1.3 Introduction Stages in the history of human communication Age of speech and language Age of writing
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Stakeholders of Bangladesh Telecommunications Sector BTRC Bangladesh Telecommunication Regulatory Commission (BTRC) is an independent Commission established under the Bangladesh Telecommunication Act‚ 2001 (Act no. 18 of 2001) published by the Parliament in the Bangladesh Gazette‚ extraordinary issue of April 16‚ 2001. BTRC started functioning from January 31‚ 2002. In the intervening years it has pursued a vision to facilitate affordable telecommunication services of acceptable quality for all
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presence in DTH (Direct-To-Home) TV services‚ commercial radio and TV programming. Astro‚ the subscription TV service began operations in 1996 with 22 channels and currently broadcasts over 119 pay-TV channels in four major languages across Malaysia and Brunei to more than 2.93 million households. Its state-of the-art digital broadcast facilities at the All Asia Broadcast Centre and at the Cyberjaya multiplex are capable of handling digital TV‚ radio and data services on satellite and terrestrial broadcast
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The hardware is inexpensive and does not require an antenna. Radio A network that uses electromagnetic radio waves operates at radio frequency and its transmissions are called RF transmissions. Each host on the network attaches to an antenna‚ which can both send and receive RF. Satellites Radio transmissions do not bend round the surface of the earth‚ but RF technology combined with satellites can provide
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infrastructure‚ the natural disasters kill thousands of people and leave a devastating impact on economy and environment. The importance of telecommunication in disaster management has been widely accepted since the early days of the development of radio communication. Disasters can strike without warning at any time of the day or night. On the Indian subcontinent‚ the pressure from population increase and over-exploitation of resources for haphazard development has disturbed the ecological balance
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coordinates the particular transmissions involving adjacent admittance factors so that all incorporate the use of identical route (or identical channels‚ because so many current admittance factors possess many radio. ) Some great benefits of this method usually are that will a lesser amount of radio selection should be applied for each in the future involving coverage‚ as with the particular single-channel structures involving 3G in addition to CDMA cell networks‚ known that customer equipment aren’t
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NFC- enabled devices over short distances. Handsets with built-in NFC will dramatically simplify the way consumer devices interact with one another. • Near Field Communication (NFC)‚ as an emerging and promising technology‚ is an integration of Radio Frequency
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INTRODUCTION 1. The advent of World War 1 saw two new dimensions being added to warfare one of air and other of under water. But probably the most important element to be put to use for war in the 20th century was the use of radio waves and the associated electronics. They were used first in radio communication and later on in the fields of radar. Under the stimulus of war‚ technology advanced rapidly and new systems provided greater ranges‚ greater precision and greater capacity. It was a shock to the designers
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