This document provides an introduction to basic computer hardware and software components, as well as how to use a mouse and keyboard. It explains that computers have a central processing unit (CPU) that is like the brain, a monitor to display information, and devices like printers and keyboards to input and output information. It then discusses how to use a mouse and keyboard, including how to click, double click, and drag. It introduces the Windows desktop environment and how to use icons, the taskbar, start menu and button. It concludes with directions on how to properly turn a computer on and off.