A personal computer, or PC, is a type of computer that is designed for individual use. PCs are differentiated from other types of computers, such as mainframes and minicomputers, by their smaller size, lower cost, and greater adaptability to user needs.

The first personal computers, introduced in the early 1970s, were large and expensive, but they gradually became smaller and less expensive. By the late 1990s, they were commonplace in homes and businesses.

PCs are powered by microprocessors, which are processors that are small, low-power, and relatively inexpensive. They are the central processing units, or CPUs, of personal computers.

PCs …