The IBM Personal Computer (often shortened to IBM PC) was a really important computer in the 1980s. It changed the way people used computers by making them smaller, less expensive, and more personal. This allowed people to use computers in their homes and businesses without having to spend a lot of money. The IBM PC made computers more accessible to people and businesses, which in turn expanded the market for personal computers. The IBM PC had a major influence on the personal computer market by making computers more affordable and reliable. This opened up the market to more people, making it possible for people to buy a computer for their own use.