Technology used to invent cars and other valuables inventions such as air conditions, television. The most important inventions of technology are mobile phones and computers. Nowadays technology is very useful in every field for example a multimedia used in a class room is also an asset of technology. Besides these pros there are also cons of technology. Technology is sometimes expensive. Only skilled people can use modern technology. The video game is a non-educational invention of technology which sometime causes wastage of time for a student.