There he worked on and wrote about the earliest personal computers.

The leap was easy, he said: A lot of the early computer scientists were philosophers.

The Z80 was used in many of the early personal computers.

Many of the early computers had, like, you could attach up to 64 devices.

The game could drive up the load average to higher levels than normal on earlier computers.

The difficulty then lay in the limits of early computers.

C64 Mode was nearly 100 percent compatible with the earlier computer.

One of the early commercial computers, the Z22's design was finished about 1955.

The game was later used on many of the early personal computers.

Some people have even been known to collect early computers and cart them to shows.