This document provides an introduction to basic computer hardware and software components. It begins with a brief history of computers, including early computers like ENIAC and key developments like the Apple II and IBM PC. It then defines hardware as the physical parts of a computer like the monitor, keyboard, mouse, CPU, printer, and modem. Software is defined as the instructions that make hardware work, like operating systems and applications. The document provides tutorials on using a mouse, starting programs, working with windows, and the start menu. It teaches mouse techniques, how to minimize, maximize and close windows.