Concept of COMPUTER 1. What is a computer ? A computer, computer or computer is an electronic functioning machine , capable of processing data at high speed and in large quantities, converting them into useful information that will then be represented in convenient terms (analysable, understandable) by an operator or human user. Computers are the most versatile and common tools of our time, and are manufactured from numerous integrated circuits , support components and extensions, which are operated under the coordination of a program called the operating system. (SW). Normally they receive and emit information through different mechanisms and protocols , whether they are used alone, or that they are intercommunicated through a network . Every computer is composed of a vast amount of elements, grouped into two broad categories: hardware and s...