uses of computers

Every one is aware that computers have already had big impact on society .During any normal day,your life will be touche dby computers many times.
For Instance,your name is probably on mailing lists mainteained by computers.A large computer can print thousands of address labels in a minute.It typists had to type address labels,you would reieve less mail,the senders could simply not afford the cost of the typists.
Credit cards exist because of computers.If accounts did all of the above book keping associated with credit card accounts,the cost of accounting would make credit cards uneconomical.
Consider a previous example airline ticket reservations.You can walk up to a ticket counter and request a reservation on any flight,any where in the country.The ticket agent is able to tell instantly standly.If anither customers,Hundreds of miles away request the same seat ten seconds later the customer will not be sold your tiket.Over booking may occur,but computers tell the airlines exactly how many tickets have been sold ,and on which flights.