Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Eric's career includes extensive work in ...

Ernie Smith is a former contributor to BizTech, an old-school blogger who specializes in side projects, and a tech history nut who researches vintage operating systems for fun. When it comes to the ...

At the birth of the computer era, the IBM PC became the standard computer in large part due to its modular architecture with interchangeable components. Like the original IBM, every modern PC's ...