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In the current world, it’s almost impossible to imagine that someone can live without computers. They have become an electronic device of almost every day use for individuals of every age, and essential in almost all the business dealings that are made nowadays. Computer education became a part of education system all over the world and people having computer knowledge are getting employment and jobs faster than the people without having it. Computers in schools will help the students to understand the basic concepts better with the help of audio and video examples. Computers in universities will help the researchers and professors to do their calculations quickly and in a better and efficient way and also help them to share the same with their counterparts. Computers became an integrated part in several sectors; banking, railways, shopping carts, electricity, telephone departments etc are few in them. Now a day’s everything related to our daily life can be done through computers. You can read newspaper online within the computer, you can order your breakfast, you can work from home with the help of computer, you can listen to music through your computer and you can watch videos and movies, you can play games and you can read novels and other books through e-books, you can contact people and talk to them with the help of computer etc. In the near future we can see the portable super computers which are much more advanced than the present computers.
Computers have entered our lives for quite some time and are sustainable, making fundamental changes to the world and human capabilities. But we all know it has positive effects and negative effects.
Computers make our lives easier. Every question, every anxiety, instead of searching all the documents to find the answer, we just need to type some keywords into GOOGLE. The ability of the computer is not limited to any field: medicine uses it to make diagnoses of the body, with fashion designers, architects, and computers open the horizons. New in production, the computer controls other machines, and humans are just tracking.
With the use of computers, many people improve their understanding, but many people experience health problems. Gradually we forget about sport and physical activities. Many people (especially students) prefer to spend hours in the computer, playing games or surfing the web, living in a virtual world rather than out of the air. Harmful they bring themselves.
Books - our invaluable source of knowledge has gone down from second place to second place, giving way to computers with Internet connectivity. Which is probably also natural in the present circumstances. Why read something when only a few mouse click you have a mountain of information of all kinds before me? Even sometimes you want to read, not necessarily to the library or the bookstore, the problem is that the computer provides you with hundreds of shelves as in the library already.
In everyday life, the computer has become a good server. Online stores are ready to serve you anytime, anywhere.
1. Positive effects of computers on human life
The Internet gives people the opportunity to receive the hottest news, gossip, and information about our concerns. Allows us to play exciting and exciting online games.
The video conference enables people to conduct meetings, exchange information, solve critical issues without leaving their work place, save time and money.
Also on the Internet, we can find high-paying jobs that bring us satisfaction. Can quickly deliver, receive documents, quickly exchange information for work.
Online shopping is much easier: the price is usually cheaper than at the store, the product description can be read carefully, the product image is displayed, the product feedback is checked. Other customers. You can buy cars, search for tours, shop for baby toys, or buy items that are half way around the world.
The Internet is also a means of connecting with friends, helping to keep the forgotten relationships of friends of the same age, of people who happen to know each other.
Nor should it forget its important role for people with disabilities who do not have direct access to the world.
For all of us, the Internet opens the way to other cultures and histories, providing enormous opportunities for education, a vast source of knowledge that no library can match.
And the first is also the last, the computer has become an extremely effective tool for us, it replaces the ancient typewriter, replacing the pen and giving us Modern tools make work much easier and simpler.
2. The harm of the computer
Key factors that harm the health of computer workers: long-standing posture; Electromagnetic radiation of the computer screen; eyestrain; Overloaded hands; Computer dependence.
Seat posture: It seems we sit comfortably on our own computer, but in reality it is uncomfortable and uncomfortable for the body: neck, head, arms and shoulders are pulled. Stretch, which leads to overloading of the spine, cartilage deformity with adult and scoliosis with children.
Electromagnetic radiation: Modern computer monitors have been designed with layers of protection to reduce this damage, but of course, they are reduced, not eliminated.
Impact on vision: Our eyes must constantly react to changes in the screen of text or images, causing eye fatigue and reduced visual acuity. The irrational selection of colors, text, and components of the program window also affects the eye. For eye protection, we should follow some guidelines after working with a computer:
- distance from the eye to the screen 50-70 cm;
- Do not work with computers in the dark;
- School-age children should stay in the computer for no more than 10-20 minutes, then rest and relax their eyes. If you have vision problems, wear glasses when working with a computer.
Overloading of the joints of the hands: The nerves of the fingers are constantly affected when typing the keyboard, resulting in numbness, weakening.
