What Is A Computer

Part I of Essay
The computer is a high-speed electronic machine that handles information automatically to produce conclusions or actions useful to people. The computer is, without a doubt, the most complex machine ever devised and one of the most significant inventions of all time. It is h ....

Part II of Essay
.... Both types process data, but in different ways. Analog computers are best suited to solving problems in which several quantities vary continuously over a period of time, making exact answers difficult or impossible to obtain. Digital computers are capable of providing exact answers to problems. The basic concept of a computer is very simple. A computer processes step by step, performing one operation at a time. For example, a computer reads a number from memory, stores it, reads another number from memory, stores it, retrieves the first numbe ....