In the early days of computing, the only way to interact with a computer was through a keyboard and a monitor. However, with the development of touch screens and voice recognition software, people are now able to interact with computers in a more natural way.

One of the earliest computers was the ENIAC, which was developed in the 1940s. It was a massive machine that took up an entire room and was operated by a team of people. The first personal computer, the Apple II, was released in 1977. It was much smaller than the ENIAC and could be operated …