First CAD system called AutoCAD for the PCs was announced in the year 1982. Can you tell who announced it?

First CAD system called AutoCAD for the PCs was announced in the year

1.	First CAD system called AutoCAD for the PCs was announced in the year 1982. Can you tell who announced it?
A.	Intel Corpn.
B.	Rolta India Ltd.
C.	Autodesk Inc
D.	AT & T Corp.
Answer» D. AT & T Corp.