Many discoveries and inventions have directly and indirectly contributed to the development of the PC and other personal computers as we know them today. Examining a few important developmental landmarks can help bring the entire picture into focus.
The first computers of any kind were simple calculators. Even these evolved from mechanical devices to electronic digital devices.
The following is a timeline of some significant events in computer history. It is not meant to be complete, just a representation of some of the major landmarks in computer development:
A physicist named John V. Atanasoff (with associate Clifford ...