By the 1830s, fossil succession had been studied to an increasing degree, such that the broad history of life on Earth was well understood, regardless of the debate over the names applied to portions of it, and where exactly to make the divisions.
Computer definition, a programmable electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Mainframes, desktop and laptop computers, tablets, and smartphones are some of the different types of computers. Compare analog computer, digital computer.
Personal Computer or PC â A PC is a computer that is used by someone for his personal use. It is a complete system in itself and its convenient size, price and simple functions make it easy for the end-user to work on it without any intervention from computer operators.