
Computers
serious personal computing. As at the start of the 1980s, at the start
of the 1990s Apple has proved to be the pace setter but not the
victor.
The IBM PS/2
In 1987 IBM ceased production of PCs and ATs, and brought out
in their place its new PS/2 range (short for Personal System/2).
These are based on the same Intel chips as the PC and AT, and able
to run standard PC software. However, they incorporated the
superior MicroChannel Architecture (see below), and the superior
VGA screen display (see page 62). They also offered a Mac-like
computing environment called 'Presentation Manager'. A further
advantage for users with IBM mainfram ...