What is a computer?
A computer is a tool for managing data. It can work with numbers and alphanumeric data like names, words, addresses, and stock numbers. A computer can be programmed to repeat the same function over and over It can logically evaluate information given to it, and act on its own findings. It can store huge volumes of data for future use, reference and updating, and even "converse" with its operator A computer is an extension of the human brain. It is to the mind what the lever is to the arm—a machine capable of multiplying effectiveness. It can free you from tedious, repetitive work which does not require judgement. It can provide facts and figures with lightning speed, giving you more time to exercise your judgement thoughtfully.