The police use computers. They save   all the information   on the computer. So the police can often check the information. And they can also visit some websites and get more information to catch criminals   on the Internet. Scientists today have computers for their work. They can do their work easily and quickly with the help of computers. Today in many schools, there is a computer room. Children can have their lessons with computers. For example, computers give questions on the screen   of the monitor in front of the children and the children answer them with keyboards  . A computer can do many things. With the computer, we can write novels, listen to music, draw pictures, play computer games, make friends, send emails and download information and so on. In the future, we may use computers for more things. But it can't take the place of   man. We can think but it can't. Who can get more information to catch criminals on the Internet?
The police. The scientists. The children. People.