3.Computers have changed the way a business functions to a large extent.In the past,corporate houses rented spaces for running accounting departments.It took months together to figure out profit or loss that a business had made or suffered.However,computers have become the backbone of all businesses now.Today,computers are used beyond bookkeeping (記賬) purposes too.Almost everything that happens in an organization is recorded,worked upon and evaluated with the help of computers.
Imagining our lives without computers is next to impossible.Computers were initially used only in workplaces.However,they soon became a household name,which revolutionized everything from school homework to grocery shopping.When the Internet came into being,it caused a great change in the way we functioned.Over a period of time,computers enabled working from home,which created a new type of employment.This gave usage of computers,within the confines(界限) of homes,a new part.As technology progressed,simple things such as shopping,booking tickets,buying a new house,searching for schools and colleges,researching for projects and medical information became a lot easier with entry of computers in every household.
As an indispensable tool in our lives,computers have changed the way we think in more ways than one.Today,all you have to do about finding answers is just"Google it"!The online world of blogging,instant messaging,chatting and social networking not only leaves virtual traces,but unites the world in a completely unimagined way.This powerful medium is the great mode of mass communication which affects our thinking by providing people with a platform to voice their opinions and begin discussions that have brought about a change in the world.
Computers have pushed us to see different worlds and experience different cultures.The revolution in Egypt is the latest example of how computers changed the world.Today the identity of information technology is computers.Invention of this machine has changed the world's perspective about cultures,economics,history and current affairs.The advent (到來) of computers has no doubt brought a revolutionary change in our existence.