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

Autodesk Inc
AT & T Corp.
Intel Corpn.
None of these
Rolta India Ltd.

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Computer Basic Information
Which of the following would most likely NOT be a symptom of a virus ?

Existing program files and icons disappear.
Odd messages or images are displayed on the screen.
THe Web browser opens to an unusual home page.
None of these
The CD-ROM stops functioning.

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