Key Milestone in Personal Computing

In the late 20th century, the rapid advancement of technology had a significant impact on various aspects of American life, including communication, education, and entertainment. This technological revolution saw the invention of personal computers, the rise of the Internet, and the development of mobile devices. These changes reshaped how people interacted with each other and with the world around them.

Which of the following technological advances is considered a key milestone in the evolution of personal computing in the 1980s?