The word technology comes from the Greek which means an "art" or "craft" and the learning of the branch of knowledge of a discipline or something else. When term Technology comes it becomes very convoluted to delineate about it. It is the observing and performing of techniques, methods or any system. Technology solves problem and create an artistic standpoint, it mostly reduces the human effort in all fields of life and makes easy for human to live.    

 

This term can either be applied generally or to specific areas: examples include construction technology, medical technology, information technology, or high technology.

 

Affects:

Technologies appreciably affect human creature as well as other animal species' ability to control and acclimatize to their natural environments. The use of technology begins with conversion of natural resources into simple tools for the easiness of human beings. In history there is the discovery of the ability to control fire which increased the available sources of food for human and then there comes the invention of the wheel which helped humans in traveling in and controlling their environment.

 

Usages:

In 21st century, recent technological developments including the telephone, television, cell phones, computer, internet and printing machines, these all make the human to interact easily and cheaply on a global scale.  On the other hand, technology has also used for destructive purposes like development of weapons, bombs and  nuclear power,  but this technology of weapons can protect the home country from their enemy.

 

Importance :

In 21st century there is no imagination of world without technology. I has left all its affect in all aspects of life .If we take our own routine example then we would realize that it could nothing without technology. Televisions, mobile cars, computers all are invention of technology. In fact all our communication, transportation, entertainment, information surfing are dependent on technology. The best revolution of technology is that scientist has stepped to moon. Technology has affected all our surroundings in a number of ways. Various implementations of technology influence the values of a society and new technology often raises new ethical questions. Examples include the rise of the notion of  efficiency in terms of human productivity, a term originally applied only to machines, and the challenge of traditional norms. We can realize the importance of technology by bearing in mind that most of the companies are creating research and development department for maximization of success. Technology has developed more advanced economies on global scale and most technological process superfluous by-products which is known as pollution and deplete natural resources, to the detriment of the earth and its environment.

 

Precautions:

In the decade more people are using computers and televisions these days, the sickness and soreness in health issues are increasingly report on majority of users. So, experts recommend that it is highly important to maintain a ideal posture and positioning of body when using computers and televisions. It is vastly suggested to maintain a distance of 45 to 70 cm between your eyes and computer monitor. The sitting posture plays a vital role in extensive computer users. An erect posture, supported by an equally good chair is highly important in maintaining the fitness and health condition of back bones, muscles and shoulders and fingers should be properly and perfectly directed at the keyboards when doing typing and the leg space should be ample enough to move your legs a bit.