Technology And Technology: Three Basic Needs Of Technology

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When man came into existence the three immediate needs of that time which in fact are the basic needs at present also were food shelter and clothes. But due to lack of education and training and technology man was hardly able to fulfill the basic needs with perfection. Instead of clothes he used to cover his body by large tree leaves and animal skin. For food small animals were killed and eaten by and for shelter the earlier man used to live in caves in jungles to get protection from heat, cold, and from dangerous animals. With the advancement man came up with many inventions started making narrow edged stone tools by which large animals could be killed fir food and clothes this was in fact first step towards technology. The invention of fire was another landmark in earlier man 's life.
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Earlier communication system.
Communication is the transfer of feelings, thoughts etc from one person to another and the device used for the communication purpose is called a communication system. Earlier when there was no language man used different signs to share his feelings, views ideas etc with his fellows through different signs.

With advancement in technology paper and some sign languages came into existence and now man was able to share his views with others through their writings. But there was no system like the post offices via they can send their messages from one destination to the other. To combat with

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