It's been 30 years since Steve and Steve's little plastic box kicked off the personal-computer revolution.

Back in the 1980s, Dan Budiac's family had an Apple II computer that he loved. So when an Apple II -- still in its original unopened box -- went up for auction recently on eBay, he bought it. Then ...

The Apple II started the boom in personal computer sales in the late 1970s, and pushed Apple into the lead among personal computer makers. The Apple II used a MOS 6502 chip for its central processing ...