A basic-function computer has four main elements: the arithmetic logic unit (ALU), the control device, the memory, as well as input and output equipment (collectively termed I/O). These pieces are interconnected by buses, often made of groups of wires. Within each of those parts are countless numbers to trillions of smaller electrical circuits whic

Charles Babbage, an English mechanical engineer and polymath, originated the thought of a programmable computer. Deemed the "father in the computer",[seventeen] he conceptualized and invented the 1st mechanical computer inside the early 19th century. Soon after focusing on his innovative difference engine, built to help in navigational calculations