Windows Vista is the latest edition of the Microsoft Windows operating system. Your computer’s operating system basically tells your computer what to do and how to do it. For your computer to work, Windows Vista must do the following:
Coordinate interactions among its components, such as receiving input from the keyboard and mouse, displaying output on the monitor, and locating programs and files.
Act as the interface between you and your computer, so that you can work in a visual way by clicking items on the screen instead of having to type precise sequences of commands.
Enable your computer to communicate with other computers and with peripheral devices such as printers, scanners, and modems.
Interact with programs ...