This magazine that you are reading was prepared using them. Computers can retain information stored in their memory and retrieve it instantly. In modernized areas of the world, almost every aspect of people s lives is affected in some way by computers. If you rely on retirement income, disability checks from the government, tax and insurance refunds, or a host of other such payments, your receiving them is dependent on computers. If you are an employee, chances are that your payroll checks are computerized.
Computers keep track of money deposited in banking institutions and the interest paid.
They control countless devices in modern homes, such as those that generate electricity or purify water. They are a boon to doctors, clinics, and hospitals in diagnosing health problems and saving lives. Computers are used to monitor weather conditions and to keep airplanes from colliding in the air. Computers are no smarter than the humans who program them. A computer solves problems only as instructed.