A：Do you know much about computers?
B：Not a great deal.
A：I've just been reading an article about them.they'll be used for all sorts of things now.
B：For accounting system and things like that ,you mean ?
A：Yes ,but they are used for other things,too.Do you remember when we went to buy a ticket for the flight to Paris .
B：Yes?
A：The man asked where we want to go,then he type out the information on the form and waited for a reply.A few moment later ,he gave us two tickets.
B：Of course,his machine must have been connected to a computer.
A：That's right.