Computers are probably the most important invention of modern times. They have changed our lives greatly but they have their advantages and disadvantages.
Computers are important for many reasons. First, they can do sums quickly and accurately بدقة. Second, they can store huge amounts of information. A big encyclopedia can be stored on one or two CDs. Besides, the computer can make it easier to search for and find the information one needs. In addition to that, the computer makes use of يستغل the multimedia to add sounds, movies, and effects مؤثرات to the data, which makes it more interesting to deal with.
Today, computers are used everywhere. They are used in banks to store information about people and their accounts. They are used in factories to run machines. They are used in hospitals to enable doctors to look inside the bodies and diagnose يشخص the illness. They are also used to publish books, newspapers, and magazines and make them pleasant سار – ممتع to look at. Further, they are used in space agencies وكالات and laboratories to work out scientific problems. Computers are part of mobile phones, calculators, organizers, and some children’s toys. A plane uses computers to take off and land. Engineers use computers to design complicated buildings such as the Sydney Opera House. They are also used in education to make learning fun.
Computers are also good and fast means of communications. They are used through the internet to communicate with people and join video conferences. They are used in internet chatting and sending and receiving emails. They are used to search for and exchange information.
But the computer has got disadvantages too. A virus could destroy all the data on the computer. Computer games could be a waste of time to the children who spend a lot of time playing them. Fixing a computer could be a difficult job and expensive one. The computer is also a stupid machine. It cannot think for itself. It needs human brain to work. Therefore, hackers (computer thieves) could steal using the computer. They can spy on يتجسس علي or destroy other computers around the world. But whatever drawbacks عيوب the computer has, we cannot do without it. It has become indispensable لا يمكن الاستغناء عنه part of our existence