-
Where it all begins
Each computer was unique in
structure and purpose. -
A new concept appears, the firmware
Hardware was more flexible, with logical functions built on
easily replaceable circuit boards. -
The new century
Emphasized the need for operating systems to offer improved
flexibility, reliability, and speed.
To meet the need for computers that could
accommo- date multiple operating systems running at the same time and sharing
resources, the concept of virtual machines.
