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

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

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Computer Basic Information
In the third generation of computers:

an operating system was first developed
All of these
distributed data processing first became popular
high-level procedural languages were first used
on-line, realtime systems first became popular

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