Communication- Is It an Art or a Science ? Let Us See...........

7412 Words Jul 8th, 2010 30 Pages
CHAPTER
MEANING, TYPES AND MODELS OF COMMUNICATION
*Dr. AJAY KUMAR ATTRI
Lecturer, Deptt. Of Education, MLSM College Sundernagar; Mandi (H.P)

• INTRODUCTION Over time, technology has progressed and has created new forms of and ideas about communication. The newer advances include media and communications psychology. Media psychology is an emerging field of study. These technological advances revolutionized the processes of communication. Researchers have divided how communication was transformed into three revolutionary stages:
In the 1st Information Communication Revolution, the first written communication began, with pictographs. These writings were made on stone, which were too heavy to transfer. During this era, written
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It marks the beginning of recorded history. Whereas the rise of book publishing and journalism facilitated the widespread dissemination of information, the invention of the telegraph, the radio, the telephone, and television made possible instantaneous communication over long distances. With the installation of the submarine cable and improvements in short-wave radio technology, international communication was greatly improved and expanded. In 1962 the first active communications satellite was launched; it provided the first live television broadcast between the United States, Europe, Japan, and South America. Today, satellite communications is used extensively for relaying television signals, telephone calls, and special teleconferencing calls that might include two-way video and graphics along with audio. The 20th-century development of mass media has played a major role in changing social, economic, political, and educational institutions. Telecommunication has been defined by international agreement as any emission, transmission, or reception of signs, signals, sounds, and writing. Recent advances in electronics have made mobile personal communications widely available and inexpensive, primarily through cellular telephony. Worldwide computer networks allow computer users to use modems to communicate rapidly and inexpensively

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