Помогите по английскому исправить ошибки в тексте

In the second, third, fourth and fifth paragraphs are telling us about utility of computers. Computers help us with work, for example helps to process, communicate, store and keep track of information. Computers helps to explore the world without having to suffer real-world consequences, it also helps to prepare high quality experts and they liberate us from many laborious tasks.

In the last four paragraphs there has appeared a problem about the quality of data. Whether it is necessary for this data to trust? After all computers introduce new source of errors, which we should consider to manage to make true decisions.

To sum up, I can say that every day there are more and more computers made, therefore it is necessary to study them. Because in the future it appeares that it will be hard to fine good jobs.