The document discusses computers and their history. It defines a computer as an electronic machine that receives and processes data into useful information. Charles Babbage is considered the father of the computer for designing machines able to calculate complex mathematical functions. Major computer producers include Microsoft, Apple, Sony, and HP. Apple designs electronic equipment and software, most notably Macintosh computers, iPods, iPhones, and iPads. Microsoft develops software like Windows and Office, which have significant market share. Computers are divided into categories like cellular devices, game consoles, desktop/laptop computers, and printers. Major game console producers are Nintendo, Microsoft, and Sony.